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HomeMy WebLinkAbout15A NCAC 2L .0100 AND .200 1993 AMENDMENT VOL. 3. TABLE 2 ~©~~ ) SELECTED BTEX DATA HOLLOWAY'S 66, CHAPEL HILL, N.C. 1993 EmYL IRO DATE WELL BENZENE TOLUENE BENZENE CTIO~ LD. (PPB) (PPB) (PPB) "t 5/28/92 MW•l <0.5 <0.5 <0.5 <0.5 8/14/92 MW•l <0.5 <0.5 <0.5 <0.5 1/7/93 MW-1 <0.5 <0.5 <0.5 <0.5 8/14/92 MW-2 0.9 <0.5 <0.5 <0.5 1/7/93 MW-2 <0.5 <0.5 <0.5 <0.5 5/28/92 MW-3 <0.5 <0.5 <0.5 <0.5 8/14/92 MW-3 <0.5 <0.5 <0.5 <0.5 1/7/93 MW-3 <0.5 <0.5 <0.5 <0.5 5/28/92 MW-4 <0.5 <0.5 <0.5 <0.5 8/14/92 MW-4 1.2 <0.5 <0.5 <0.5 1/7 /93 MW-4 <0.5 <0.5 <0.5 <0.5 a·.:'"-~#,-l '/. "(,!jO 5/28/92 MW-S '"1..6 <0.5 <0.5 <0.5 8/14/92 MW-S '"1..9 <0.5 <0.5 <0.5 ••1/7/93 MW-5 5/28/92 MW-7 <0.5 <0.5 <0.5 <0.5 8/14/92 MW-7 <0.5 <0.5 <0.5 <0.5 1/7 /93 MW-7 <0.5 <0.5 <O.S <0.5 8/14/92 MW-8 <0.5 <0.5 <0.5 <0.5 1/7/93 MW-8 <0.5 <0.5 <0.5 <0.5 7/30/92 UPSTREAM "2.5 22 0.61 1.9 7/30/92 DOWN-STREAM <0.5 <0.5 <0.5 <0.5 TIS 02L .0202 GROUND WATER 1 1,000 29 400 STANDARDS • ABOVE TI5:02L .0202 STANDARDS •• WELL PAVED OVER Richard Cailln & Associates, Inc. CONSUL TING ENGINEERS AND HYDROGEOLOGISTS Mr. Hance Page2 April 22, 1993 Since the later rules provide for a demonstration to show that these choices are adequate for the situation, this is a very practical definition which Eastman supports. (14) "Practical Quantitation Level" is a more appropriate and universally applicable measure than "Limit of Detectability " which is in the present rules. (19) "Responsible Parly" appropriately includes the proper groups to be considered for the purpose of the definition. The proposed rule in Section .0106(a) properly includes consideration of corrective actions which are economically and technologically feasible. This recognizes the value of scarce resources and the futility of performing actions almost automatically without consideration of the value derived from those actions. The requirements shown in subsequent sections assure that the proper protective action can be recognized, considered, and approved. Properly justified "alternate cleanup levels" are particularly appropriate and practical concepts for use with the corrective action plan. Likewise, it is quite appropriate to discontinue corrective action if it is shown, as required in the proposed rules, that further action would not be productive as a practical endeavor. Section .0106(n) needs an addition at the end to be consistent with the philosophy of the rest of the document. u Suggested wording is: ->1 ': •••• with a schedule established by the Directo r"°if it is determi~d th at_a lication of the new .. , ~. · technolo_g is economi all and technologically feasible.+--..:c d1 a, ':iS e, J.. ~ w,. '¥-/h. V. C . c~ -4k ~o e. s o. '('e, ~ -, t.. ~"i\~C l,~d ~rec... ii)_fj---S-/5 / q 3 Section .0202(a) has proposed changes in wording which are quite appropriate to coincide with the change in philosophy of the rule. Section .0202(g) contains some proposed new standards which require comment: (1) Acetone: 0. 7 (mg/L). -Acetone is a very common chemical so that it may be an indicator of manmade contamination; however, its very low toxicity does not present a threat at the low level proposed here. The US EPA Integrated Risk Information System (IRIS) lists a reference dose for chemical exposure (RID) of 0.1 mg/Kg-day for acetone. This RJD is the daily does of acetone which can be tolerated by human populations (including sensitive groups) over a lifetime without appreciable risk of deleterious effects. A drinking water criteria for acetone may be calculated based on this RID and a 2 liter/ day water consumption rate by a 70 Kg individual. This criterion of 3.5 mg/L would be appropriate as a groundwater standard. Eastman recommends that the standard for acetone be 3 .5 mg/L. " Mr. Hance Page2 April 22, 1993 Since the later rules provide for a demonstration to show that these choices are adequate for the situation, this is a very practical definition which Eastman supports. (14) "Practical Quantitation Level" is a more appropriate and universally applicable measure than "Limit of Detectability " which is in the present rules. (19) "Responsible Patty " appropriately includes the proper groups to be considered for the purpose of the definition. The proposed rule in Section .(H06(a) properly includes consideration of corrective actions which are economically and technologically feasible. This recognizes the value of scarce resources and the futility of performing actions almost automatically without consideration of the value derived from those actions. The requirements shown in subsequent sections assure that the proper protective action can be recognized, considered, and approved. Properly justified "alternate cleanup levels" are particularly appropriate and practical concepts for use with the corrective action plan. Likewise, it is quite appropriate to discontinue corrective action if it is shown, as required in the proposed rules, that further action would not be productive as a practical endeavor. Section .0106(n) needs an addition at the end to be consistent with the philosophy of the rest of the document. k Suggested wording is: ~-... with a schedule established by the Directo r'"" if it is determined h t a lication of the new technolQ.g is economi allv and technologi~ally feasible t -..:c d\ ~" ~s e J ~-l.v\ ¾ V.C.(,~ -~ b-°ote.s o.'<e. 4' H., '-'-"'~j,.,;·,u~A.-rec... {i)_}}---s15(({3. Section .0202(a) has proposed changes in wording which are quite appropriate to coincide with the change in philosophy of the rule. Section .0202(g) contains some proposed new standards which require comment: (1) Acetone: 0.7 (mg/L). · Acetone is a very common chemical so that it may be an indicator of manmade contamination; however, its very low toxicity does not present a threat at the low level proposed here. The US EPA Integrated Risk Information System (IRIS) lists a reference dose for chemical exposure (RID) of 0.1 mg/Kg-day for acetone. This RID is the daily does of acetone which can be tolerated by human populations (including sensitive groups) over a lifetime without appreciable risk of deleterious effects. A drinking water criteria for acetone may be calculated based on this RID and a 2 liter/day water consumption rate by a 70 Kg individual. This criterion of 3.5 mg/L would be appropriate as a groundwater standard. Eastman recommends that the standard for acetone be 3.5 mg/L. .. Mr. Hance Page 3 April 22, 1993 (48) Lead: .015 (mg/L). The proposal improperly applies the newly promulgated "action level" as a standard. Even in drinking water the level of 0.015 mg/L for lead is not a determined level which is not to be exceeded. Rather it is a level which applies at the consumers tap and is used to indicate a situation where special treatment should be considered or implemented. If proper treatment is given, the level may still be above the action limit without being in violation. Eastman recommends that the former Maximum Concentration Level of 0.05 mg/L is the appropriate groundwater standard. (66) Selenium 0.05 (mg/L). The proposed rule properly adopts the new, recently promulgated Maximum Concentration Level as the groundwater standard. (67) Silver 0.018. The Secondary Maximum Contaminant Level for Silver is 0.1. This is not for toxicity, but is rather for esthetics since silver can cause discoloration. There is no reason why the groundwater standard should be lower than a Secondary limit such as this for silver. Eastman recommends the limit for silver be no lower than 0.1 mg/L. (79) Xylenes (o-, m-, and p-) 0.53. In 56 Federal Register Vol. 56. No. 20., on Page 3591, January 30, 1991, it states: "EPA has set the drinking water standard for xylene at 10 parls per million (ppm) to protect against the risk of these adverse health effects. Drinking water that meets the EPA standard is associated with little or none of this risk and is considered safe with respect to xylene." If 10 ppm of xylene is safe in drinking water, there seems no justification for a lower standard in groundwater. Eastman recommends a standard of 10 ppm xylene as the standard for groundwater iiI North Carolina. Eastman appreciates the opportunity to submit these comments on the proposed groundwater regulations and hopes they may be used to help North Carolina promulgate an ideal set of groundwater standards which will serve the state well and perhaps be a model for others. If you have questions about these comments, please call me at (615)229-3317. Very truly yours, 7/~~ V. Collins Chew Environmental Affairs P. 0. Box 1993 P.O. Box 172 Millers Creek, N.C. 28651 April 23, 1993 Dear~~, @J©i~li) ~ APR 181991 tiROUNDWATf.R SECTION RALEIGH. NC I am writing to express my concern about the new groundwater contamination proposals. I think they are outrageous, and I can't believe they are even being considered! No one has a right to pollute someone else's property and then declare it a restricted zone. These new proposals will only benefit those who pollute. The average citizen today is already fighting a losing battle against companies who pollute. If these changes are approved, we won't have a chance! We should strengthen our groundwater protection policy, not weaken it. Any rule changes should be specifically stated and leave no loopholes for polluters to take advantage of. Finally, if you haven't heard much opposition expressed in regard to these proposals, it's because most people aren't aware of them. This has happened very quickly and apparently hasn't been given much attention in the press. I hope you will take this into consideration before the final decision is made. Sincerely, ~~~ Patricia Nunn J,Ii©JJ l~Jg]j APR 2'1 1993 DIV. OF ENVIRONMENTAL MGMNT. DIRECTOR'S OFFICE • RES URGEN S PlAZA 945 EAS T PAC ES FERRY ROAD ATlANTA, GA. 30326-1 125 (404J 26 1-14 70 April 19, 1993 15:@)~Jfrmi c:-l "~ '~ J:.{ :~,-CERVINO V.A. YARBOROUGH Direc tor-Engineering Mr. David Hance Division of Environmental Management Groundwater Section P.O. Box 29535 Raleigh, North Carolina 27626-0535 <!!j ronmental Manager APR 22 1993 GJi'ou, ,vD'+ilTt=fi' "c· FiALtlGH. :J!..C710N , Ne Re: Comments to proposed EHNR Amendments to the Groundwater Classifications and Standards, 15 NCAC 2L.0114 Dear Mr. Hance: Colonial Pipeline Company (Colonial) appreciates the opportunity to comment on the Division of Environmental Management's proposed regulations regarding groundwater standards and classification. As . an interstate transporter of refined petroleum products with breakout tanks in Charlotte and Greensboro, Colonial will be impacted by these proposed regulations. Colonial appreciates the Division's attempt to develop water quality standards and corrective action procedures that are fair and equitable. Colonial suggests that the Division clarify its definition of "economically feasible". Feasible could be a function of the economics of the remediation · system or of the economics and finances of the corporate responsible party. In addition, Colonial is concerned that an undue burden is placed upon industry to e~ther remediate or demonstrate that site contaminants, not included in the Class GA Standard be remediated to non-detectable concentrations. I can be contacted at the letterhead address below if you have any questions regarding these comments. Sincerely, .,1'/4lj. (: ~ /Lt, Philip C. Perley Staff Geologist Attachments cc : J . I. Boyd T.W. Cervino A.M. Taylor V.A. Yarborough MAILING ADDRESS: P.O. BOX 18855 ATlANTA, GA. 30326-0855 Colonial Pipeline Compa.n.>" COMMENTS TO PROPOSED NCAC 2L.0014 REGULATIONS GROUNDWATER CLASSIFICATION STANDARDS SECTION .0102 (4) Statement: ... propose remediation by the degradation and natural attenuation of the contaminants ... " Comment: Colonial suggests that either guidance be developed or performance standards written to enable responsible parties to adequately support applicability of what is essentially passive bioremediation. SECTION .0102 (19) Comment: A fourth paragraph needs to be added specifically stating that if an individual or company fails to utilize the "one call" utility location and clearance system, then that third party is the only "Responsible Party." For example, if a contractor excavated and damaged Colonial's pipeline, which later failed, then the third party would be liable for clean up of the spill. SECTION .0104 (A) (1) Statement: " ... using readily available economically reasonable technology." Comment: The term "economically reasonable" requires clarification. For example, it may be economically reasonable for a company in or near bankruptcy to propose degradation and natural attenuation of site contaminants whereas a Fortune 500 company can afford to design and implement an air sparging system at similar sites. SECTION .0106 (a) Statement: " ... as closely thereto as is economically and technologically feasible ." Comment: The term "economically . . . feasible" requires clarification. For example, it may be economically feasible for a company in or near bankruptcy to propose degradation and natural attenuation of site contaminants whereas a Fortune 500 company can afford to design and implement an air sparging system at similar sites. SECTION .0106 (h) Statement: " ... using best available technology ... " Comment: This statement contradicts the intent of Section .0106 which is to utilize readily available and cost effective equipment. SECTION .0107 (j) (B) Statement: "an imminent hazard or threat to the public health or safety exists;" Comment: Colonial suggests that the Division develop criteria to determine when such a threat exists. A "perceived" threat may develop into a situation that is politically expedient to declare a public threat. SECTION .0113 (c) (5) Statement: " ... best available technology economically reasonable." Comment: The term "economically reasonable" requires clarification . For example, it may be economically reasonable for a company in or near bankruptcy to propose degradation and natural attenuation of site contaminants whereas a Fortune 500 company can afford to design and implement an air sparging system at similar sites . Colonial Pipeline Company SECTYDN .0113 (c) (6) It should be noted that any groundwater remediation system will create a serious hardship on the responsible party. However, allowing a variance to be approved by supplying hardship information will allow for arbitrary and capricious decisions. SECTION .0113 (e) (2) (I) Comment: Requiring an applicant to provide copies of each application to the public may become burdensome. Colonial suggests that as part of a public notice, the responsible party provide to nearby libraries copies of the permit and supporting documentation for public inspection and copying. SECTION .0202 (c) Statement: " ... substances which are not naturally occurring and for which no standard is specified shall not be permitted in detectable concentrations ... " Comment: It is unreasonable for substances that are not carcinogenic to be removed from groundwater when carcinogens such as benzene are required to be removed to concentrations less than 0.001 mg/1. For example, bis(2-ethylhyexyl) phthalate could be detected at low concentrations (<0.050 mg/1) in groundwater; its source could either be a sampling artifact or a site contaminant. As currently proposed, the responsible party would have to go to great expense to demonstrate through interim standards that this compound is not a threat. . . . .. April 21, 1993 Mr. David Hance Andrew M. Raring, Ph.D., P.G. Geologist/Environmental Consultant P. 0. Box 354, Bethania, NC 27010 Division of Environmental Management, Groundwater Section P. 0. Box 29535 Raleigh, NC 27626-0535 Subject: Proposed 15A Subchapter 2L changes; suggestion of alternate .0106 language Dear Mr. Hance: Enclosed in suggested alternate language for section .0106 Corrective Action, within Subchapter 2L. I attended last night's public hearing in Salisbury. The thrust of my suggested alternate language is to specifically allow initial corrective action at all groundwater contamination sites, followed by a report to the section. After review of that report, the Division could require a CAP and a permit for operation of a remediation system. Permits would be reserved for cases where corrective action was not forthcoming, or was inefficient, and for high priority sites, those at which significant concern exists for public heath and safety. It would be necessary to allow closed-loop systems to operate without a non-discha,rge permit, a worthy reform in itself. Evidence that reinjection of treated groundwater was not harmful would be required in the report .. The proposed revision to 2L encourages initial remedial response. However, many parties will prudently not take initiative unless the regulation clearly tells them to do so. They fear that penalties may result from lack of a permit. The many R.O.s who would be remediating sooner without the cumbersome report review and permitting process would be able to do so without fear of reprisal. Thank you for considering this alternate to .0106. I trust that the revised 2L will be passed in a form that will accomplish the Section's ends. Sincerely, ~VY\~ Andrew M. Raring . ' J · -.0106 CORRECTIVE ACTION (a) The goal of corrective action shall be to restore groundwater of degraded quality to the quality standards specified in Rule .0202 of this Subchapter, or to alternate quality standards set on a site specific basis by the Director, or designee. (b) Any person conducting or controlling an activity which results in the discharge of a waste or hazardous substance or oil to the groundwaters of the State, or in proximity thereto, shall take immediate action to terminate and control the discharge, mitigate any hazards resulting from exposure to the pollutants and notify the Division of the discharge (c) Any person conducting or controlling an activity which results in an increase in the concentration of a substance in excess of the groundwater standard: (1) as the result of activities, other than agricultural operations, shall immediately notify the Division of the increases; take prompt action to eliminate the source or sources of contamination; begin coITective action; and submit a report to the regional Division office assessing the cause, significance and extent of the violation and describing the instigated corrective action. (2) as the result of activities conducted under the authority of a permit issued by the state, shall, where such concentrations are detected: (A) at or beyond a review boundary, demonstrate, through predictive calculations or modeling, that natural site conditions, facility design and operational controls will prevent a violation of standards at the compliance boundary; or submit a plan for alteration of existing site conditions, facility design or operational controls that will prevent a violation at the compliance boundary, and implement that plan upon its approval by the Director, or his designee. (B) at or beyond a compliance boundary, shall assess the cause, significance and extent of the violation of groundwater quality standards and submit the results of the investigation, and a plan with proposed schedule for con-ective action to the Director, or his designee. The permittee shall implement the plan as approved by and in accordance with a schedule established by the Director, or his designee. Any reasonable schedule proposed by the pennittee shall be considered. (d) -SAME- (e) -SAME- (f) The report on corrective action instigated for restoration of groundwater quality, required in Paragraph (c) of this rule shall include: (1) A description of the corrective action and reasons for its selection. (2) Specific plans, including engineering details where applicable, of the system installed for the purpose of groundwater quality restoration. (3) A plan, with schedule, for monitoring the effectiveness of the corrective action system. (4) A plan, with schedule, for monitoring the impact of coITective action on groundwater both within and beyond the contaminant plume. (g) In the evaluation of coITective action, the Director, or his designee, shall determine whether any threat to human health or safety posed by degraded groundwater quality has been fully mitigated by the cotTective action and whether real or potential damage to the environment is being mitigated by lhe corrective action. If it is dcLcnnined that the coITective action undertaken by the responsible party has not eliminated the threat to public health and safety and/or protected the environment, the Director shall require that a coITectivc action plan be submitted and approved and that implementation of that plan proceed under permit from the Division. (1) The Director, or his designee may require a risk assessment of the responsible patty as an tool for dete1mination of the threat to human health and safety posed by the impacted groundwater. The risk assessment is subject to review and approval by the Division. (2) In the evaluation of cotTective action plans, the Director, or his designee shall weigh the costs estimated to achieve groundwater quality restoration by use of the proposed and alternate technological approaches against the public benefit to be deli ved from the restoration. (3) The petmit to constmct and operate a corective action system for groundwater restoration shall contain: (A) a schedule for the implementation and operation of the proposed plan, (B) a monitoring plan for dete1mining the effectiveness of the proposed c01Tective action and the movement of the contaminant plume, (C) a term of no more than three years from the onset of operation. (h) If the Director, or his designee dete1mines that a coJTcctive action plan and pennitted corrective action system are needed, groundwater quality must be restored to the level of the groundwater quality standards specified in Rule .0202 of this Subchapter unless: (1) an alternate cleanup level has been established by the Director pursuant to Paragraph (i) of this Rule, or, (2) natural remediation has been approved by the Director in accordance with the provisions of Paragraph (k) of this rule. (i) An alternate cleanup level to a standard established in Rule .0202 of this Subchapter may be assigned by the Director, or his designee if sufficient information is presented to suppo1t a determination that: (1) -SAME- (2) -SAME- r The information necessary for assignment of alternate cleanup levels should be contained in the comprehensive site assessment, if the responsible party seeks alternate standards. Public notice of assignment of alternate cleanup standards must be provided in accordance with Rule .0114(b) of this Subchapter plior to their implementation. (j) At the expiration of a permit for corrective action system, the responsible party will submit a report on the progress of groundwater remediation. The report will include: (1) a summary of groundwater monitoring data since inception of operations, (2) an evaluation of change in plume volume and configuration, (3) a description of remaining 1isk to human health and safety as well as damage to the environment, (4) a request for repermitting of the remediation system. If modification of the remediation system or alternate cleanup levels are requested as part of the progress report, all necessary suppo1ting evidence must be included. Such info1mation will include: (A) a description of site specific conditions; (B) the technical basis for the request; (C) a discussion of and rationale for the request; (D) any other information requested by the Division; and, (E) evidence that public notice of the request has been provided in accordance with Rule .0114(b) of this Subchapter. (k) -SAME- (1) The Director will consider requests to terminate corrective action as part of the the progress repmt at the end of the term of con-ective action permits. The request must include: (1) -SAME- (2) -SAME- (3) -SAME- (4) -SAME- (5) -SAME- The Director may auth01ize the termination of the c01Tective action, or amend the con-ective action plan after considering all the information in the request. Upon te1mination of corrective action, a groundwater monitoring program shall be required sufficient to track the degradation and attenuation of contaminants at a location of at least one year's time of u·avel upgradient of any existing or foreseeable receptor. The monitoting program shall remain in effect until there is sufficient evidence that the contaminant concentrations have been reduced to the level of the standards. (m) -SAME- (n) -SAME- (o) -SAME- ~ STAL/TE ENVlRONMENTAL ~) J[I ,~.:i Kh!P'c c R >ad '..l,IS· '...TV \C 2d' i 70<t 031 '",, /'l 1 such a scope of work may actually be more expensive than treating the contaminated soil and groundwater. A third area of concern is the area of economics. Numerous comments have been heard regarding the economic pressures that have been brought to bear on many individuals and small companies due to the strict State regulations. While it may be that the clean-up standards may be overly strict in certain cases, consideration must be given to the potential adverse impact of taking too great a swing in the opposite direction and thereby removing the economic responsibility of those that have created the problem and placing on others future costs that will surely be even greater than they are now. It must not be forgotten that those in the petroleum producing and supply business are well aware, or should be, of the products they sell, both the positive and negative. It must be assumed that they remain in this business area because it is financially profitable. Indeed, one of our personnel is aware of one jobber that had problems spending $15,000 to investigate a site but had the financial resources to purchase a shopping center through the RTC. During the Raleigh Public Hearing, several items were presented which I would like to comment on: underground storage tank leaks account for 70% of the groundwater incident sites; a Durham case study; the reason for requiring PE/PG seal on reports; and an example of "natural degradation". It was stated by a DEM representative that underground storage tanks account for 70% of the groundwater incidents in the State of North Carolina. If roll. ree soo-470 £-tir•o this is the case, it would seem that extreme and careful consideration should be given to the actions that are applied to such situations; based upon many of the fax I 4 b,lts J4) comments that have been heard, it is the impression that the proposed changes are simply a way to escape the financial responsiblity of having to correct the problems they have created. The DEM representative also provided a brief case study involving a site in the Durham area saying that $500,000 had been spent to date with little or no evidence that anything had been accomplished. However, under the proposed guidelines, only $250,000 would have been spent to reach the same status. Based on what was heard, it would appear that the extra cost was not a lack of work being performed at the site but rather poor management of the way the work was performed. It would seem that perhaps more effort should be placed on trying to establish better controls by the responsibile parties to assure that only the necessary work is performed. STAL/TE ENVIRONMENTAL p Sil, bury, JC. )81 'I The audience was informed by the DEM representative that the reason for requiring reports to be sealed by a licensed Professional Engineer(PE) or Professional Geologist(PG) was to ensure that the work was performed by a responsible party. It should be pointed out that because an individual has a PE or PG license does not promote that the person sealing the report is qualified to make many of the decisions that are required by the current or proposed regulations. Based upon a review of the proposed regulations, it appears that the primary purpose of the Initial Site Characterization (ISC) report and Comprehensive Site Assessment (CSA) report will be to perform a risk assessment of the project site and how it will affect the surrounding sites. Risk assessments, if performed properly, can cost tens of thousands of dollars and therefore may not be the economical salvation that many appear to think it might be. A major portion of any __,risk assessment is the evaluation of the toxilogical evaluation of the contaminants of concern on the potential receptors and may include assigning a monetary value to plant life, animal life, and even human life. While not familar with the exam to become a PG, I am somewhat familar with the PE exam and to the best of my knowledge it does not address any of the principal areas that must be covered in an ISC report or a CSA report, 101 ,:F 21Q1 particularly in the area of risk assessments, much less the preparation of a Corrective Action Plan (CAP). By saying that one must have a PE .to sign • reports opens the door for any professional engineer whether that person has a PE in civil, electrical, chemical, etc. disciplines. While it is true certain TC'. f ee Rori 470 ',8, c specialities within a branch of engineering may be more qualified than others, the proposed regulations do not identify those individuals but rather leave a ax n l ti o 014J great deal of leeway in who can prepare these reports. Also, based upon discussions with various individuals familar with the PG exam, it also does not address many of the concepts that must be evaluated to adequately prepare reports that are of any substance. Therfore, the question again must be raised as to whether simply having a PG license make an individual qualified to supervise the necessary site work and generate acceptable reports. While it is agreeable that certain qualifications must be required for the types of work being performed, it can not be assumed that the PE or PG license is the tool by which the decision of capability is determined. I would strongly urge that careful consideration be given to the qualifications of those that generate such reports. I am sure that those knowledgable in this field would !fl STJ LITE ">di' t l'Y 1 14 agree that simply having a PE or PG registratation does not ensure the ability of an individual to perform the work but rather the registration along with a knowledge of the theories as well as the practical experience gained only over a period of time. Lastly, one individual who apparently owns and operates a number of facilities with underground storage tanks related an incident regarding the purchase of a facility which operated as a gas station for 40 years prior to his purchase of the site. After purchasing the site, his company installed new tanks during which apparent contamination was noted. A number of monitoring wells were installed, sampled and analysis performed revealing high levels of contamination. After two additional sampling events and analysis, the levels of contamination had greatly declined without any type of corrective action and therefore was attributed to passive remediation or natural degradation. Since many of the details were not provided, it could not be evaluated that natural degradation had occured, but rather it appeared that possibly the plume had moved out of the area being monitored. However, the speaker's main point • appeared to be that he had spent a great deal of money correcting a problem that he did not originate. Little sympathy can be given when the obvious reason re-' I ree 80L 416 i.ROO for purchasing the facility in the first place was to make money and that an inexpensive and simple investigation prior to the purchase of the site would have revealed a problem. In summation, the proposed regulations in the current format must be opposed. The regulations appear to very open-ended and do not appear to give consideration to those that may be impacted while releasing responsible parties from their financial obligations to correct the problems that have generated. Prepared by: DeWitt Whitten, CHMM, REM, REPA (704) 279-8614 G/GWRESPNS.DOC 2) Find a creative solution to assist small business owners and gas stations with cleanup expenses, but DON'T do it by creating broad and discretionary regulatory loopholes which could greatly endanger water sources. 3) Maintain the existin~ definition .of a "responsible party." 4) Protect other people's (and future generations and landowners!) property rights ·by putting .in the regulations a specific statement that polluters must also be responsible for the cleanup · and protection of groundwater on affected neighboring properties 5). Please be con~ervati~e in your rulemaking, iri your consideratlon of the science;' and in your consideration of the fact _ that much is still unknown and, in · fact, unknowable . and _-unpredictable about the movements of groundwater, of synergistic effects -of toxins, and of our · future water needs. · · · · · Again, these rules will affect our ~tate's groundwater, our health and welfare, for many future _· generations. We believe that clean groundwater. is a priceless gift to us from nature, the birthright of every living person and thing. We.·must be very protective of this birthright, and make sure it is one we leave for those who will come after. Thank you for considering our-comments . .Sincerely, ~ Mary Sauls Kelly, PhD Coordinator and Ecologist 2 ,.,-,----! -~---~ ...... ~---------," N?KQi QJFPUNA O TIZE NS Cbain:ien ci i!!c: @rd. it Srua."t DicJc.:;on. Cl1dl)tt,: f;."'# -~c,;, Clraitm<1!l. J. Ric.~rtl F't.-:reil Jr_ !!ocl:-t Mo~! Scc-oad Vice Cbai.-mllll. G. Smedes York. Ra!ei,;h :;:-t=U."a!; S:o:?nen P. 2ei.a.ale. Ir. R.,,ieic;b. F O .2 B U S I N :E S S A N r> I N D TJ S T 2 Y 225 Hillsborough Street, RO. Bo:z: 2508, Raleigh, North Carolina 27602, Telephone 919/828-0758 ~r:icnt ci See.~ Phillip J . .!Cirlc, ir:. R4li!ic;il E:z.eer.s!ive C-omrci!tee: Rvbani K. Alli!n Raleigh foh.!i A. Alli:;on. IV Wil= Jobn V. Andrew! Moa.-oe L M. &ker. Jr. W-m.sioa-$clem John Eon,;,· Kill Devil Hills W-J.lbur f. BoswelL m ~Fa.-e!l! Tho~ W. Bmdsh.1w. Tr. Raleigh Doncld J. Brady Green:sboro Paqgy M. Bndi;ics Shelby Charles G. Buie. Tr. l,muinbu:g Feltcu I Capel Pizzeblulf frank H. Dww. Jr. Chc.."lottu IoeS. Epley Cnadotie Seddon Goode, Jr. Chcr:iotte Cam,11D.Gray pior1ot1e Charles A. !·fay~ GreeMOoro !obn u. McH,MY Kin:ton J. Billie ~y. Ir. Chc,r/afts PculJ.Ri= Cho;,d,1fi/l £.Rhone:~ WbireViUit Harley F. Shu!on=l. Jr. .Hidory Kenn,;th G.. Ycn,nq..,.-.1:. Cherr111i/le Charles E.. 2£,ic;li:!'. Jr-. Gasrol1ic;r Past Cho,mien: Their~ M. Belk Charlotte &!wt::. a. Boi,;!en Go/dsb,;ro R.ic:...Sr:ti L Daugh,:riy .Rt!$catcb Tritui(lle P....ric Doacld R, ffo,;hes Green:sboro Willi..= S. Lee Cb.crfotte John F. M,;Ncir, m Wiliston-Salem 04ude Ramsey Ash.eville "1erwood H. Smith. Jr. ,lalei9lr S.B. T=er.m Rr.rthetiotdtan April 20, 1993 Mr. David Hance Division of Environmental Management, Groundwater Section P.O. Box 29535 Raleigh, NC 27626-0535 I. Introduction These comments are presented with respect to the riroposacl ~sionc _to-No:ri:h Cero1ina-A<lm..i.nlst..rative Code, Title 15A, Chapter 2L (the 11 2L regulations" or "2L"), promu.l.gated for public comment in 7:24 North carol.ina Register 2668 (March 15, 19.93). These comments have been prepared by the Groundwater SUbcomm.ittee of the Environmental Concerns Committee of North caro1ina Citizens for Business and Industry ("NCCBI"). NCCBI is a statewide organization of manufacturers, related service industries and other .businesses seeking to promote the best possible economic environment for North carolina employers, employees and citizens. NCCBI briefly addresses its support of the new ruies, and one proposed revision, in the following section. HCCBl:'s own criticisms of the 2L proposal appear in the following sections • rr. The New Rules Recocrnize Reality It is difficult to conceive of an environmental prob1em with a more elusive solution than groundwater contamination. While the technology exists, in many cases, to address problems relating to air and surface water emissions, the plain fact is that no technology exists to effectively address most instances of groundwater contamination. Regrettably, for the foreseeable future, prevention of groundwater pollution is far and away the best protection available. Fortunately, not all groundwater prob~ems are created equal. Apart from relatively rare exigent situations, the great majority of the groundwater incidents pose no genuine environmental or hea·1th threat Whatsoever. SU.ch situations include contamination in urban areas served by lllllnicipal water supply, incidents in rural areas which will naturally bioremed.iate long before any potential drinking water receptors cou.J.d be affected, and many others. Other incidents, while posing threats to individual residential water wells, are more easily abated as to that particular problem.. Importantly, while the technology to restore contam.lllated water to regulatory standards does not exist, the ability to make case-by-case determinations as to which problems require active remediation does. Likewise, arresting the flow of contaminated water is well within current capabilities. The new regulations would offer these options, in lieu of a mandatory cleanup command that cannot be obeyed. The key change is to 15A N.C. Adm.in. Code Ch. 2L. 0106, the corrective action regu.irement, which harein shall.be referred to as "Rule 106." The revised Rule 106, without in any way sacrificing protection of actual or potential drinking water supplies, gives DEM and OSWM the discretion to assess the actual risk involved. Contrary to criticiS1llS that the new rule provides no criteria or ~delines for such risk determinations, revised Ru.le 106 requires the agencies to consider a nwnber of factors well within the ability of existing science to determine. These include the contaminant migration, the existence of urban or other drinking water supplies, natural attenuation and the application of best available technology, among others. NCCBI strongly recommends adding groundwater discharge to surface water as a natural re.taediation process in Ru.le .0106(k). Anyone wishing to use th.is form of remediation must provide su.fficient evidence demonstrating that surface water quality standards will not be violated, or any uses ilnpaired, by the groundwater discharge. · There are likely many circumstances today where remediation by this process is happening. Where unlined waste lagoons or landfills are near but upgradient from rivers, contaminated groundwater flow to those rivers is and has been occurring. The reason that receiving streams are not impacted is because the rate of groundwater discharge is often low reiative to stream -2- flow, and the concentrations of contam.i.nants is below surface water standards. Accordingly, NCCBI recommends that proposed 15A N.C. Admin. Code 2L. 0106(k)(2) be revised as follows (proposed additional language in bo.ld.): (2) evidence of the contaminant's degradation and attenuation capacity, inc1uding, where applicable, natural groundwater discharge to s~ace waters (provided that such discharge causes neither a violation of app1icable water quality standards nor impa.i:cment of use of such_surfa.ce waters). NCCBI believes that existing Rule 106, which issues a cleanup mandate and offers no guidance whatsoever as to how the impossible goal is to be accomplished, is far more susceptible to a charge of vagueness than the proposed ru.J.e. The proposed revisions to Rule 106 substitute reality for fantasy. NCCBI does not believe, as apparently some critics of the proposed rules do, that the proposed discretion to be granted to the two groundwater agencies would permit responsible parties to avoid addressing true problems. NCCBI may have more experience with DEM and DWSM staff than,do such critics, and obviously more faith in those agencies' dedication to environmental protection.· III. Maxi.mum Co ntam inant Level s ("MCLs") Should Be Re-established As Cleanup Goals. . NCCBI cannot fully support the proposed 2L draft. As a historical matter, an ad hoc advisory committee of interested parties, including representatives of industry, the consulting comm.unity, environmentalist groups and the state agencies, began to meet over one year ago to discuss the flexibility concept now embodied in proposed Ru.le 106. This process culminated in a draft set of revisions dated November 18, 1992, which was widely circulated. In December, 1992, at what amounted to the eleventh hour, certain membars of the environmentalist community began to voice concerns regarding the proposed revisions. At about the same time state epidemiologists also criticized the rules. These critics' concerns, among others, were heard in a large-scale working session held on January 5, 1993 in Raleigh. Although support for the new rules was widespread among business, academic and governmental representatives at the working session, a number of late-arising criticisms were adopted and incorporated into the current proposed 2L amendments. -3- NCCBI does not dispute the right of intarested parties, and -particularly representatives of such significant interests as organized environmentalists and public health, to voice concerns at any point in an informal rulelnak.ing process. NCCBI melllbers who were present from the beginning of the year-long process would note for the record that substantial. courtesies were extended to those who, for whatever reasons, chose not to become actively involved in the revision process at an earlier point in time. But criticisms voiced late in the game, which might ~ell have been fairly and effectively dea.J.t with earlier on, should be assessed in comparison to views aired for debate fro~ the beginning of the process. A chief example of a recent revision Which suffers from such a comparison is the ill-conceived deletion from the proposed rules of the November draft's adoption of the water quality standards established at 15A N.C. Admin. Code Ch. 1sc as cleanup goals. {See, 15A NCAC 2L .0106(a), November 18, 1992 draft revisions.) The so-cal.led maximwn. contaminant limits ("MCLs"), incorporated at 15A N.C. Admin. Code 18C, are drinking water standards designed to protect the public. The November 18 draft attempted to incorporate MCLs as the cleanup standard for groundwater once it had become contaminated. Establishing MCLs as the cleanup standard in no way affected the overall groundwater quality standards established at 15A N.C. Adm.in. Code Ch. 2L. 0200 et seq.; rather, incorporation of the MCLs was meant to avoid, in many cases, extended case-by~case decision making processes regarding what would be an "alternative cleanup level" for contaminated groundwater. Using the MCLs made sense for a number of reasons. First, these are levels already established as safe for drinking water purposes.-Second, these are cleanup levels which are at least possible to obtain, as opposed to the 2L groundwater classification levels which generally are set at 1/lOth of the MCLs. Third, use of the Mets provided administrative convenience in that negotiation of a new .·cleanup standard would not necessarily be required for each an_d every incident of groundwater contamination. Onfortwiately, use of the MCLs was un:fairly criticized on the grounds that drinking water standards were insufficient with respect to groundwater protection. This argument requires one to forget that MCLs wou.ld apply on1y to groundwater which is already contaminated. And, with all due respect to those who oppose using MCLs, NCCBI must point out that the MCL standards were established with the benefit of extensive research and, in most cases, as the result of formal rulemaking. -4- NCCBI is aware of claims that 2L standards must be more strict than MCLs due to a claimed (but not, to NCCBI's knowledge 1 substantiated) ncumulative effect of cancer risk." If such a cumulative risk exists, why is it not applied to the public drinking water supply? Why wou1d a p@lic water supp1ier be permitted to "cumu1ate11 chemicals at MCLs, if such a risk truly exists? Why, in any case, should well water suppliers be held to a different standard? In the absence of solid scientitic evidence, it must be assumed that the MCLs were set with cumulative risks in mind.· It is simply unwarranted to apply a risk analysis to groundwater that does not apply to drinking water. Groundwater standards had been set at 1/lOth of the MCLs for the purpose of providing a "safety cushion" between safe drinking water levels and groundwater classifications. Such concerns need not be, and should not be, applicable to groundwater which is known to be contaminated. The 2L standards 1nerely trigger the need for corrective action. With respect to known contaJD.inated groundwater, there is "sa£etyn built into the system in that remediation would be underway. Remediation would not be al:>andoned or discontinued until it was established with scientific certainty that the MCL levels had bean achieved. Furthermore, many MCLs are at least arguably possible to achieve via remediation. While in many cases a responsible party would be unable to achieve even an MCL, it is quite often impossible to achieve groundwater standards via existing technology. It is substantially more responsible for the groundwater agencies to insert a standard --the MCLs -which is at least conceivably achievable, than it is to reinstate a target that can never be hit. NCCBI respectfully urges that the November 18, 1992 version of 15A N.c. Adm.in. Code Ch. 2L. 0106 be adopted in lieu of the current proposed version. IV. The Proposed Responsible Party Definition i~ Improper. NCCBI supports the adoption of a workable delineation of 2L "responsible parties." The definition proposed in the November is, 1992 revisions1 while not iJIImune to criticism, is acceptable to NCCBI in the spirit of compromise. Two recent a~ditions to the rules --15A N.C. Admin. Code Ch. 2L.0102(19)(b) and .0102(19) (c) -are unfair, unconstitutional and will discourage voluntary cleanups. NCCBI is aware that co:mments dated March 31, 1993 on this issue were submitted by NCCBI member law firm Maupin Taylor Ellis & Adams, P.A. Essentially, NCCBl: agrees with and incorporates by reference the points raised in the March 31, 1993, letter. For -s- convenience and ease of reference, portions of that letter are summarized herein. A. The Proposed Rule is Unfair and Will he Ineffective Rule .0102(19) (b) probably was intended to forestall atteinpts to avoid cleanup liability via contaminated property transfers. In reality, the rule will not affect liability- avoidant behavior one way or the other. It will, however, create sUbstantial unfairness. To attempt to affix 2L responsibility on a party who is a complete stranger to any nactions causing or contributing to the violation of groundwater quality standards" (language taken from Part (a) of the SaJne definition} is inconsistent with state law. rt is an odd result to hold a purchaser of contaminated property liable when that new owner has had nothing to do with the contamination, and finds no support in North Carolina. statutory or case law. True responsible parties cannot escape 2L liability si:m.ply by selling their property. Under the 2L rules, once an entity is a responsible party, it is presumably always subject to corrective action. Thus, there is no deterrent effect accomplished by this proposed rule. It is merely an attempt to improperly punish the new owners, or to widen the liability "net" without justification. In many cases, sellers are not themselves 2L responsible parties. In such cases, sales of contaln..inated property cannot be seen as attempts to shift 2L responsibilities, since the seller has no 2L responsibility to hide from. If a seller is a 2L responsible party, as noted above, a sale of the property woUld not appear to absolve that seller's 2L liability. In fact, DEM should encourage such sales, as it could provide a source of money (the sale proceeds) which might be used for cleanups. B. The Proposed Rule Is Unconstitutional Regardless of a seller's status as a 2L responsible party, attempts to impose strict liability on purchasers of property, based solely on their status as purchasers with knowledge, cannot be established by rule. Imposition of this CERCLA-like liability cannot be accomplished by administrative procedures; constitutionally, only the legislative branch can make such laws. An effort to impose corrective action liability on a subsequent purchaser via a 2L regulation would not pass muster ·if it were challenged. -6- C. The Proposed Rule Encourages Waste of Existina Resources A great nwnber of plant facilities will lay fallow if the new rule creates an inability to transfer properties '-7ith rehabilitation in mind. Companies seeking to expand must instead construct new facilities, which construction of course poses environmental costs. Fundamentally, any rule which in its operation restricts property transfer forces our society to overlook, and thereby waste, valuable existing assets. D. The Proposed Rule Will Discourage Sale and Remediation" Agreements Rule .0102(19)(b) discourages voluntary cleanups. Many current owners of contaminated property are not responsible parties under existing 2L regulations, and wouJ.d not be under the proposed version. Many of these owners would gladly undertake a voluntary c1aanup if to do so would facilitate a sale. We have represented clients in this situation who have successfully done so. Obviously such sales almost always include an agreement to clean up the property; 2L liability aside, no one will buy contaminated property absent a binding and effective cleanup commitment. However, no such promise will be sufficient if the buyer automatically beco~es a responsible party upon closing. Imposing such strict liability allows the state to bypass the cleanup contract between buyer and seller -which would be an unacceptable risk to the typical buyer. Accordingly, productive and beneficial "sale and re.mecliationn arrangements will no longer be available in North Carolina. Certainly, in most situations it would be far preferable to use existi+tg industrial and commercial properties rather than creating new properties in "green field" areas. The 2L regulations should not discourage the continued use of existing industrial properties by new owners (or lessees) as the proposed 2L.0102(19)(b) would do. E. Rule .0102(19) (c) is Defective and contrary to statute Part (c) of the proposed definition purports to render 0 an adjoining property owner ~ho obstructs the implementation of corrective action that would prevent further contamination" fully refillonsible for all contamination at issue. Although NCCBI believes the spirit of this revision is sound, the regulation is overbroad in the extreme and addresses a matter l:>est left to the legislature. Furthermore, the General Assembly has to some degree spoken on the subject of an adjoining landowner's cooperation with a cleanup -and the Legislature's position is contraty to Ru.le .0102(19){c). N.C.G.S. § 130A-309 -7- excuses adjacent site cleanup if the responsible party can · demonstrate that the adjacent site owner will not cooperate. Clearly, the 2L regulations cannot take a contrary position. To be sure, it is difficult for NCCBI's members to conceive of being party to any "obstruction" of an ongoing reJI1ediation. However, the term "obstructs" is vague and overbroad, and the penalty for being an "obstructionist" is quite drastic. For these reasons, this section, which purports to give the executive branch of government the power to impose strict liability on adjoining property ot.mers, is flatly unconstitutional. NCCBI understands this rule as .an attempt to give DEM anr.i DSWM the authority to put·1nonitoring wells, or possibly recovery or sparging wells or other remedial technology, on the property of an adjacent land owner without that landowner's permission. NCCBI's members are sympathetic, having more than once encountered what appears to be completely irrational resistance to such efforts. However, a private property owner's rationale for not permitting intrusions on his property must be a strictly individual matter. It goes without saying that a person 111ho acts without reason in this cont¢ may well be waiving his rights against the adjacent polluter -or may risk becoming a liable party under statute or common law. But, if the govermnent wishes to remove the potii7er to assess these risks from the individual, it must do so via the legislative1 not the executive, branch. NCCBI urges that parts (b) and (C) of 15A N.C .. Adluin. Code 2L .0102 be entirely stricken from the proposed draft. NCCBI wishes to thank the staff, the Commission and its assistants for their time in considering these comments. l.550419O Very truly yours, ~~U- Robert Alan Cohen Chairman, Groundwater Subcolllllli.ttee North Carolina citizens for Business and Industry Environmental Concerns Committee -8- GROUNDWATER 1 SA NCAC 2L CLASSIFICATION AND STANDARDS AMENDMENTS: RULE ·.0102; .0103; .0104; .0106; .0107 .0108; .0109; .0110; .0111; .0112; .0113; .0201 AND .0202 ADOPTION: RULE .0114 {APPROVAL DATE: VOLUME ONE: TABLE OF CONTENTS OCTOBER 1, 1993 (RULE .0103 EFFECTIVE NOVEMBER 1, 1993)} I. FINAL APPROVAL MATERIALS A. Final Rule B. Submission for Filing Forms C. Rule approved by Rules Review Commission (RRC) D. RRC Memoranda and Final Changes to Rules E. RRC Objection to Rule .0103 and Response II. HEARING OFFICERS MATERIALS A. Summary of Hearing Officers Recommendations to the Environmental Management Commission B. Rule presented to the Environmental Management Commission c. Douglas Boykin's letter D. Staff Memorandum and other documents III. PUBLIC NOTICE MATERIALS A. Submission for Notice Form B. Rule presented at the hearings C. Newspaper notices VOLUME TWO: IV. RULEMAKING SUPPORT DOCUMENTS A. APA Form 101 'B. Summaries of Comment from Hearing Notice C. Hearing list D. Proceedings of Hearing Summary V. CORRESPONDENCE VI. NEWSPAPER ARTICLES VOLUME THREE: VII. PUBLIC COMMENTS A. Written Comments VOLUME FOUR: VIII. PUBLIC COMMENTS A. Written Comments (CONTINUED) B. Timely Legislative Comment C. Timely Letters to the EMC Chairman VOLUME FIVE: IX. PUBLIC COMMENTS 'A, Timely Letters to the EMC Chairman (CONTINUED) B. Groundwater Section Staff Comments C. Timely Response/Comment from Professional Practice Boards (Geology and Engineering) D. Responses of the Division of Epidemiology E. Late Comments .. N'ORTH C.AROLlNA PETROLEU!Vi COUNCIL WILLIAM H. WEATHERSPOON B11.«11tlw Dim/or J\ Ojyj5/on of the Amerkan Petroleum ln1!1tute P.O. BOX lf:17 • RALF.IGH, N.C . 2'602 g191826-S438 • fAX 919182t•OJ37 UM D!\. V M UC H Atot,~{:t te DiJt.'tt.Oi' April 23, 1993 Mr. David Hance Division of Environmental Management Groundwater section PO BOX 2953$ Raleigh NC 27626-0535 Dear Mr~ Hance: Thank you for the opportunity to co:rnment on the rUl '-1 chang~~ proposed for the North Carolina groundwater program. (15A NC5C &L} You should anticipate hearing from our member companies on an individual basis regarding their specific recommendations. I have attended several of your public hearings and commend ~h e staff on the manner in which the audience was briefed and the wa y in which the hearin9s were conducted. We wish to support in a general sense the direction that t h<a proposal takes -namely a recognition that there are limit.ea financial resources available and that informed judgments that optimize the funds available should play an important part in maxifflizing cleanup efforts. Contaminated groundwater is a major problem when it impacts our drinking water supplies. The state needs to constantly seek tha~ delicate regulatory balance that is strong enough to enforci~ cleanup and smart enough to avoid wasteful spending. As you know, the EMC has -in the past -asked intere~ted parti -~ to consult and work out "sticking points 0 in proposed rule changes where significant citizen input was received. Should that eventuality occur again, we will volunteer now to bring whatever expert opinion we can to the table to assi~t the staff and the EMCa Sincerely, w~~ ~~i~~oc~ WHW/jm . The rules are too broad. If the problem is with the financing of the trust fund and with · petroleum contamination from· l.u.s.t.s., on which staff's presentations at the public hearings have focused entirely,.then focus the rules on these cases.· Landfills, hazardous waste sites, superfund sites, illegal dumps and all other sites sh9uld not be included. · The rules should start with a clear statement that North Carolina's p olicy is "y ou mess it u p, y ou clean it u p ." In addition the rules should clearly prohibit pollution from cross·ing property bound~ries. · Pump ~nd Treat technology is a proven way of containing • ·. contamination and is the front line of defense in protecting other people's property. It is the other 'no action' options that are unproven in this regard. The factthat the .· · · groundwater under my pr,operty, my groundwater, dilutes the pollution· spreading from your property to 'below the standards' _cannot be used as an excuse for not requiring ·active remediation. The rules alread include a variance . rocedure that ives the Director broad author· to make exce ptions where needed. In eed the proposed changes make the variance possiblities even broader. Those polluters·wishing to be excused from the responsibility for cleaning up sho.uld use that procedure ... Our s·pecific comments on individual sections include: · . · Section .0102 (13): Definitions need to be includeq for the terms dilution, filtration, sorption, ion~exchange, chemical transformation and biodegradation. Bi0degradation needs to be recognized as·an engineered solution that has its own requirements including the use of EPA tests 625, 8250 and others regarding toxic constituents; source of oxygen; bioassay of existing "bugs," etc. What is meant by 'dilution'? Are we creating mixing'.zones so that diluted pollution meets standatds? . · · .0102 (18)'the definition of receptor should be expanded to include livestock, wildlife, wetlands-and crops for human consumption. . .0102 (19)the definition o.f responsible party needs complete-revision ... particularly (b) and (c)._What is the d_efinition of 'obstructs'·in (c)? How does this definition of ·. responsible party relate to the EPA definition? As a delegated state,·doesn't EPA's definition_ apply to NC? · Section .0103 (a): what is the definition of '.significant'? ·' Also what is the definition· of 'where feasible and necessary'? .~ ....... 0103 (b) (2) do not delete the phrase "beyond the boundaries of the property etc.'.' 0103 (e)_we support this as written. 0104 (a): Thissection should be limi~ed-to petroleum produc,s. The word 'any' should be changed to 'all' in the phrase _"under any of the following circumstances." 0104 (b): change this to "may be designated RS". · 0104 (d): Under wtiat_conditions will the director .require additional remedial action? What does the phrase 'may be required' mean? .. . .· 0104 (e): the pU:blic notice requirements are inadequate. One time notice in a newspaper is inadequate; 30 day n.otice is inadequate; adjacent landowners must be contacted individually.·. · . 0106 Corrective Action: This entire section needs extensive study as to its Impact on our presentand future uses of groundwater. This should be the beginning point and in depth comments abo~t whatis propos~d is fut~le. Section (k)(1).(B) for example .. · should read ''the contaminants present will not migrate to any existing or Mure receptor." (k)(4) is no~ possible in_ many _areas ... (k)(5) cur~ent state or local Q.Overilment planning _ efforts are inadequate 1n many cases ... (k)(6) this should read "written consent from all . property owners etc:" In ·addition, section (i)(2) allows the Div. of Epidemiology to either weaken or strengthen a standard. · This sho~ld follow public input and debate at the least. · . · 0262: Out.of 73 current standards; there are 27 standa.rd changes: ·over 1 /3 of.the standards. So many changes at one time make it impossible to realfy get public input cibout any one of them'. Our focus here wm be on the new standards being· proposed for seven cherTJicals thaJ are currently not legally allowed in our groundwater.· 'c First, .it is important. to know that while anyone can ask that groundwater standards be adopted that allow more chemicals in our water, it is.not the (amilies with contaminated wells who are asking for these standards. _ It is the pollute~s who face groundwater· . · cleanups who want these standards to be made. By making standards, we· are allowing the introduction of these man-made ~hemicals into our groundwater. · - The federal . government has not set maximum contaminant leve,s for th·ese chemicals, not because they: are safe, but because vital information is lacking .. There is not an agreement about what a safe dose of these chemicals might be. According to the EPA there is inadequate information available to determine whether these suostances can cause cancer. We don 1t know enough about tl1e long-term effects on these chemicals on children .or adults. · •. · These are vital pieces of health information that .are lacking. While anyone can. come up .with numbers, it is difficult to believe that without this: vital information that such numbers will real_ly protect the health of our children and families. C.an · we truly say that these · proposed standards-are health based? . · Indeed, even our own groundwater;-section; responsible for these standards and rule changes, has inadequate information about the bases of these proposed standards. .We .recommend that more informatio11 on these standards be prepared for the public. Such · information should include a summary of information on each chemical and the criteria the proposed standards are·based·upon. If any standard.is set.at this time it-should be set-at zero; To: From: Subj~: Environmental Management Commission do Mr David Hance Division of Environmental Management Groundwater Section P.O. Box 29535, Raleigh, NC 27626-0535 The League of Wo~~. Voters of Dare County, P.O. Box 689, Kitty Hawk NC 27949 Proposed Changes to Groundwater Regulations, Title 15A of the NC Administrative Code 2L April 15, 1?J3 "· We appreciate the opportunity to comment ori the proposed changes to your regulations, and hope you will consider our ideas. In general, we think it is important to keep in mind that "today's field is tomorrow's subdivision" and not make decisions that could preclude safe use of the . state's resources. Once contaminated, groundwater is difficult to reclaim, especially when there is as little research into the exact condition of the aquifers as there is in our area. There has never been -as far as we can discover -a full hydrogeological study of the groundwater supply in Dare County and its adjacent area. · We are concerned about the proposed weakening of cleanup requirements where chemical pollution has been found. We do not think . "alternate cleanup levels," unspecified, can be as good as cleanup to the level of the quality standards as now required. We can not find a definition in your regulation of "significant public interest." ·1s it one phone call, 50 letters, or what? A single aiuiouncement in the local newspaper can easily be missed even by people who read the legal notices regularly; there should be a. requirement for repeated advertisements -perhaps 5 or 6 over a period of at ,east 2 weeks, with at least one in large type -for notification to a community affected· by contaminated groundwater that you are going to allow less than standard levels of cleanup. Radio and TV announcements should be made for those who do not read newspapers. Our objection is not to variances per se, but to blanket changes in regulations. We do not suggest that there could not be specific assistance to a single small business having difficulty in complying. But you · should not weaken the rules themselves; it would be better to keep the rules and allow occasional exceptions on a case by case basis. We urge you to strengthen, not weaken the groundwater regulations. Rural groundwater protection is particularly important, and local governments probably ·do not have the expertise to deal with these problems. They have to rely on the . state program. Similarly, local citizens cannot do the enforcement . job which requires scientific analysis and professional knowledge of the water supply and surrounding area. We do support · the requirement to have professional engineers and hydrogeologists perform the analyses to determine what is necessary for repairing damage to water supplies. The League believes that no decrease in groundwater protection should result from your deliberations on this regulation. We urge you to strengthen, not weaken, its requirements; Jean Joseph, First Vice President ... LWV of Dare · County April 15, 1993 Page 2 Specific comments related to numbered paragraphs follow . . 0102 Retain the former #8 "Limit of Detectability" definition. No substitute definition is provided. Not using this EPA standard definition weakens considerably the material in paragraph #.0202 as well. There is no definition of "person" in . the document. One might assume it to mean human beings, corporations, and other business entities normally considered "persons" but it would be good to be specific, as you are about many other definitions. Otherwise, the application of the term "responsible party" could . be hard to determine . . 0103 (a) The underlined change weakens · the regulation too much. ''Where feasible" is too indefinite. And who ·knows whether this level would "ensure suitability as future source of drinking water"? (b) i£ the "compliance boundary" is not the property line, can we assume it is somewhere beyond the property line? How will it be identified? Does this make enforcement more difficult? .0104 (c) The word significant should not be inserted here. (d) Does "within the designated area" mean the same as "within the compliance boundary"? It would help us unders.tand what the regulations mean if the terminology were used strictly. "Compliance boundary" was defined in .0102 (3) but "designated area" was not. (e) The public notice provision is inadequate. Many NC citizens do . not read. Not all readers get newspapers. Additional notification by Public Service Announcements (PSA) or paid advertising on radio and local TV should be required in addition to several newspaper notices, not just one. . . . . . "Significant public interest'' in having a public hearing is not defined. It should be. In a . tourist area like · our county, local government . would prefer not to let citizens or tourists -know about a pollution problem i£ they could avoid notification. The quantity of bottled water sold on Outer Banks stores is already large because visitors and residents don't like the taste of the public water supply product, but they would all be very upset if they thought it might be unsafe . . 0106 (c)(l) Retain the previous language which calls for a plan and a schedule for restoration. Not requiring a schedule leaves too much leeway for delay. (h) End the sentence before "unless" and do not provide loopholes in the regulation. The Commission should handle special cases as exceptions, rather than changing the regulations to accommodate problem situations before they arise. (i) There is not much of a standard in Paragraph .0202 unless you retain the EPA ''Limit of Detectability" definition on which so much is based. (I) Termination of corrective action should not be allowed just because the action · has not · been successful in reducing the concentration of pollutants. A new plan and schedule, not termination, should be required. The previous regulation (Paragraph e, stricken out) should be retained 'in place of the proposed (I) . . 0111 "Restoration of groundwater quality" (stricken out) is preferable to the proposed wording "corrective action," which is much less specific and less demanding. \ LWV of Dare County April 15, 1993 Page 3 _,. I .0112 (2) Retain the wording "Limit of detectability" which has a precise meaning incorporating by reference the EPA standards (and restore the definition to Section .0102). The tighter definition is better than the proposed change "practical quantation level" which has no precise definition or standard . . 0113 Keep the previous, specific wording (stricken out in the proposal) as to what variances the Commission may grant. · If you allow variances to "the rules of . this subchapter," then the entire regulatory structure is eligible for variance. This seems a very bad idea ... (e)(l)(~) One time publication in the newspaper is not sufficient public notice. Gtizen participation in making decisions about variances to safe drinking water requirements is very important. Broader advertisement is necessary for protection of the public interest. (e)(2)(D) Add, after "geographic description" the words "and a map." (e)(2)0) Add a subparagraph K that will include the procedure and time for submitting additional comments . . 0114 (c) Add that notification shall include information explaining how and where to file a petition contesting the decision, time limits for contesting the decision, and how to address a petition for· reversal of the decision . . 0202 (a) Restore stricken sentence at end of paragraph. (b)(l) Retain previous language. "Practical quantation limit" has no precise meaning; '1jmit of detectability" does have specific meaning to technicians . (g) Why have the allowable concentrations of so many of the contaminants been increased? Only a few are decreased. Is there scientific justification for lqwering the standards and allowing greater concentrations of pollutants? No · reference is made in this subparagraph to EPA standards, as was made in (e). Is this an oversight? The League of Women Voters of Dare County P.O. Box 689 Kitty Hawk, NC 27949 \ , , Sal~m Environmental, Inc./ Certifoam Services, Inc. P.O. Box 5524 Winston-Salem, NC 27113-5524 919/661-9231 919/66 t -9241 CF AX) 21 Apr11 1 993 Mr David Hance NC-DEHNR Groundwater Sect I on P.O. Box 29535 Raleigh, N.C. 27626-0535 Re: Proposed 1 SA NCAC 2L Amendments Sir: \993 ~NQ\\'Alft st~~ RALEIGH, NC ? Prior to starting my environmental services company in late 1988, I spent over twelve years as operations and general manager of a mid-size petroleum marketer in the Piedmont Area. I also own property where a third party is responsible for the removal of three abandoned USTs. Naturally, my perspective on the current debate is colored by these experiences. I am concerned by two points raised in the proposed amendments. One applies directly to myself, wh1Je the other affects my customers (and potentially myself) where we are investigating groundwater releases at some 20 sites in all seven regions. First, I find fault with the vague definition of responsible party under the new amendment in Section .0102 ( 19)(a). As a property owner who has asked for action through my ex-wife to get her father to handle this situation, I am completely frustrated. He has a record of non-compl1ance with the DEM at numerous sites and has publicly stated (in print) his contempt for any remedial efforts "forced" on him by the DEM. Under this new definition I could potentially be interpreted to be a responsible party due to its lack of focus. Just because I own a site purchased in 1981 that possessed tanks should not open me to possible liability in the event of a release. This was long before any regulations or widespread knowledge of the hazards and costs resultant from a release into the surrounding soils or groundwater. It must be defined what constitutes "a person who is Page 2 21 April t 993 Hance,cont. wholly or partially responsible" in far greater detail before this phrase is inserted. Second, I was of the understanding that the General Assembly enacted a statute allowing for the installation of a closed-loop groundwater remediation system (once the prevailing plume flow had been delineated) by issuing one simple permit. This was accomplished to prevent plume spread onto adjacent properties and partially clean up the effluent stream. However, the requirements of having engineer-stamped non-discharge permits at each step of the remediation process serves to slow action appreciably. It ts established that granting any permit, particularily in some of the reg1onal offices, adds months to the establishment of a sensible system to control the spread of the shallow plume. Although this issue is not referred to 1n the proposed alterations to Section .0106, it 1s representative of what could happen under the amend- ments. Our consulting geologist, who shares office space with my firm, served as a Groundwater Section Regional Supervisor for nearly a year and is fam111ar w1th regulatory activities. His and my concern is that the permitting process 1s extremely vague here. Suppose the following. We go to a site where a plume is determined to impact a nearby supply well within two months if it is not checked. The proposed amendments do not define if we have to get initial permitting - only "approval". Is this verbal or written? As we could be fined for act1on or inaction on the behalf of our customer, this needs to be addressed more clearly. The responsible party could also seek redress. Also, In the past two years the current review process has cost me over $4,000 in unpaid bills when a new regulator re-interpreted a site situation such as I have described above. I had recieved verbal guidance that was reneged on after each activity was completed; as the customer(s) considered my work not necessary, they did not pay their invoices. This is another reason why the vagueness of the wording appJfcable to implementing an "approved" plan under Section .0106 (c)( 1) should be made perfectly cl ear. I appreciate the load the DEM and EMC labor under. On the whole I feel the Page 3 21 April 1993 Hance,cont. proposed regulations are a positive step. I am overly familiar with petroleum marketer finances and the actual costs associated with all phases of remediation, and I can assure you that many multiple tank owners cannot continue to supply jobs, or, even continue operations without bankruptcy proceedings, unless some rational relief ls supplied. Your attempts are applauded and welcomed. Sincerely, -/J ~ Harvey C. Danner, Jr. President cc: Mr Doug Howie, NCPMA Ms Judy Hunt, 40th District, General Assembly Mr Nelson Cole, 25th District, General Assembly Mr David Flaherty, 46th D1str1ct, general Assembly Mr George Rob1nson, 46th D1strict, General Assembly Mr Sandy Sands, 24th District, NC Senate TFI .: 1 91 CJ ?6 ?87S5 J 3:3 3 Nr .0 1 3 P.0 7 Because this policy change will evoke such hardship on thase individuals, we need to comment that knowledge and forewarning has not been generally dislf'itJutod. Through informal discussion with various individuals in the environmental field we have found many are unaware that this policy change is even proposed much less open for public comment. People cannot respond on matters for which they are unawa,e. We wish to recommend that the designation of qualified consultants be postponed. We further recommend a Stata lave! accreditation program be implemented in a manner similar to the 11Asbestos Control Branch'• where individuals may be tested on their ability and fairiy accredited to practice. This program can be funded through course tuition, testing fees. and annual accreditation fees. Sincerely, ~\~j,.._,~ Dolly Bidwan Law & Company. rnc. /(ENAN OIL April 23, 1993 Mr. David Hance Division of Environmental Management Groundwater Section Box 29535 Raleigh, North Carolina 27626-0535 re: Proposed Amendments to 15A NCAC 2L Dear Mr. Hance, o~©m?l'fi~ 23 1993 ~,f GROUNDWATER SECTION RALEIGH, NC Kenan Oil Company strongly supports the proposed amendments to the 2L Groundwater Classification and Standards. The Division of Environmental Management needs to have the authority to adjust cleanup standards and make adjustments on a case by case basis. They (DEM) currently do not have any flexibility that allows them to make changes to existing cleanup standards where site specific factors suggest more cost efficient and effective cleanups. These proposed amendments benefit not only the responsible party but also all impacted parties. Kenan Oil Company is a medium siz.ed petroleum distributor based in Chapel Hill. We sell gasoline through approximately thirty retail outlets in central North Carolina. Our company has taken a proactive approach to our environmental problems. We have aggressively sought to find and remediate our environmental problems. We presently have 10 locations where we are doing environmental work. There are probably others. The expenses and time that we have invested in environmental cleanups has been astonishing. Kenan Oil Company has spent over one Million dollars investigating and cleaning up environmental problems. This is more money than our combined operating profits in the past 10 years combined. Kenan Oil Company does not believe that the proposed changes will affect all of our sites. We have several groundwater cleanups underway now that are clearly necessary. VVe don't .vant and can't afford to pass on potential risks to other people. Many of our employees drink from wells daily. We all share the desire to protect our groundwater. There are however other locations where we have spent tremendous sums of money and realize there is no benefit to the environment from what we have done. Kenan Oil has one location that we believe is a case where had the proposed changes been in effect, we would have saved time and money and the environment would not have been negatively impacted. The location is in the environmental sensitive town of Chapel Hill. We owned a service station and leased it to a dealer. The tanks were installed in the 1960's. Because of the age of the tanks and other economic factors, Kenan Oil decided to discontinue to lease the location as a service station. Our primary concern was to remove the tanks before we had a leak. We removed the tanks in the summer of 1990. 100 Europa Drive • Suite 450 • Chapel Hill, North Carolina 27514-2310 Chapel Hill (919) 929-9979 • Durham (919) 682-8031 • Fax (919) 942-8606 ... GROUNDWATER ~f~ . .-.;, During the tank excavation, we discovered gasoline in the tank hole. We immediately notified DEM and contracted an environmental consultant. The CSA showed groundwater contamination that exceeded the Standards. We then developed a CAP. The CAP called for the active remediation of an impounded drainage ditch immediately downgradiant of the petroleum plume. The ditch was acting as an interceptor. It also called for us to use a soil venting system to clean the soil. Our consultants told us at the time that the groundwater restoration was unneeded but that we had to implement the groundwater treatment in this ditch in order to comply with the 2L regulation. The design for this system and expense for obtaining the permits for this CAP greatly exceeded $10,000. By the time we received all the necessary permits and approval of our CAP, our periodic monitoring indicated that the levels of benzene had fallen to below detection levels in most instances. Our consultant contributed this to several reasons. First, the source of contamination was removed. Second, the soil type in this area allowed for natural degradation of the hydrocarbons. This natural cleaning occurred during this period. Attached is a summary of the analytical results of the water quality monitoring. We still have a soil vent system in place which we expect to remove within a year. If DEM had the ability to adjust the groundwater and cleanup standards at the time this release was discovered, Kenan Oil and the UST trust fund could have saved tens of thousands of dollars. The Environment would have been no worse off and we could have put our financial and human resources to more productive and effective uses. Please give DEM the tools and regulations it needs to make this a safe state for all of us. Please amend the NC 2L regulations as proposed. We will be happy to provide you any other information on our sites that may help you in amending these regulations. Thank you very much for the time you, your staff and the Environmental Management Commission have taken in dealing with these changes. Sin Owen G. Kenan &~ President enclosure cc: Mr. Doug Boykin Edward S. Holmes, Jr. Vice President CSG A 1NFOF:D NC ID:919-774-5300 APR 23'93 15:56 No.017 P.03 Through our efforts and others in the soil recycling business, North Carolina enjoys some of the lowest remediation/recycling costs on the East Coast. Everyone in North Carolina wants a clean environment, we are sure that the Environmental Management Commission will make the right choice. /w Marathon ~ Oil Company April 23, 1993 Mr. David Hance Division of Environmental Groundwater Section P. 0. Box 29535 Raleigh, NC 27626-0535 Management State Government Affairs , r• 1f,5 l.;1 t!!l-~ J:S J!!i r, --;1rc-3fff}ft~~ Findlay, Ohio 45840 i 0 ..., ff 1993 539 South Main Street I} Telephone 419/422-2121 N"'n GROUNDWATER SECTION RALEIGH, NC Subject: Proposed Amendments -Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina Dear Mr. Hance: Marathon Oil Company appreciates the opportunity to submit comments on the proposed amendments to North Carolina's groundwater regulations. Marathon Oil Company engages in all aspects of petroleum operations. Marathon is the nation's seventh largest refiner and supplies over 3,800 Marathon-and subsidiary-brand retail outlets located throughout the Midwest and Southeast. In North Carolina, Marathon operates a refined- products terminal at Charlotte and, through a subsidiary, markets motor fuels to the public at 36 retail outlets, which operate under the 11 Speedway II brand. Al so, the company is a significant suppl i er of petroleum products to independent jobbers and wholesalers, who market our products under their private brands. Marathon strongly supports the proposed amendments to the state's groundwater regulations. The proposed regulations are protective of the state's groundwater resources, yet provide significant flexibility. This flexibility will serve to maximize the effectiveness of regulatory and industry resources dedicated to groundwater protection and remediation. We are pleased that the proposed regulations permit alternative methods and approaches with respect to groundwater remediation that will promote environmental responsibility on the part of regulated parties and encourage aggressive measures to respond to incidences of groundwater contamination. Marathon's only substantiative concern is with the language of .0106(n), which could be interpreted to suggest that a site previously remediated to then-existing clean-up standards (consistent with .0106(a)) may subsequently be subjected to further remediation requirements if new or improved technology is developed at a later date. This would mean that a regulated party would constantly face the possibility of ever more stringent clean-up requirements. Also, we note that the language of .0106(n) does not require that new technology be determined to be both "economically and technically feasible," consistent with .0106(a). We recommend that these requirements be specifically expressed in .0106(n). A subsidiary of USX Corporation ,:.j ~J 1 5 ', 4,' 'v;·•, COOPER ENV IRONM ENTA L CHAR LOTTE NC Mr. David Hance • April 22, 1993 Page2 P, 2/ 6 ...... -.. - ... 0102 [1 8J I believe the definition of receptor is somewhat misleading. When dealing with toxicology and risk assessment1 I think of a receptor as a living organism which is exposed to a toxic agent. I think of wells as physical components which may be part of an exposure pathway to a receptor. I suggest that DEM clarify this definition with persons experienced in toxicology . . 0103 le) I support the provision for the requirement of professional geologists and engineers to oversee investigations and corrective actions . . 0,1,06 (k) (l} ( IJ I believe this section which specifies a slope of less than 1 :40 is meaningless unless the axes on which the slope is plotted are specified. To illustrate this point, I have attached a table showing hypothetical quarterly monitoring data which shows a decrease in concentrations 'With time. Three graphs are also attached which illustrate the decreasing concentration trend. The first graph shows all data points from the table. The first graph shows that concentrations are approaching an aeymptote at 0 ug/1. The slope of a best fit line drawn through the last four data points is approximately 1 :60. The second and third graphs illustrate the decreasing trend of the last four data entries from the table. The slope of a best fit line drawn through the four points is approximately l: 1.2 on the second graph and 1 :20 on the third graph. The graphs have been presented to show that the specified l :40 slope is not meaningful without further specification of the scale of the axes onto which the slope is plotted. APRt23 93 15:46 COOPER ENVIRONMENTAL CHARLOTTENC P, 6/ 6 DA~E CONCENTRATION 01/01/93 10.00 ()4 /0 t/93 6. 67 ~6/30/93 4.44 09/28/93 2.96 12/27/93 1.98 03/27/94 1.32 06/25/94 0.88 09/23/94 0.59 12/22/94 0.39 03/22/9S 0.26 06/20/95 0.17 09/18/95 0.12 1211119s o.oe 03/16/96 o.os 06/14/96 0.03 09/12/96 0.02 12/11/96 0.02 . \ Mr. David Hance Division of Environmental Management Groundwater Section P.O. Box 29535 Raleigh, North Carolina 27626-0535 Samuel C. Mcclintock 7533 Milestone Court Raleigh, North Carolina 27615 0N) 954-0033, (H) 847-0033 April 22, 1993 utWUfWWATEfl SECTION RALEIGH, NC Subject: Proposed Amendments to 15A NCAC 2L -Groundwater Rules Dear Mr. Hance: The following is my response to the Proposed Amendments to the "2L" Rules. Though I am an environmental consultant, and have worked from time to time for oil companies, I am only representing myself with these comments. Please enter them into the public record as such. I wanted to thank those personnel in the Groundwater office, particularly Mr. Mouberry, in providing material and answering questions on this subject. Everybody was very helpful and courteous, and the office as a whole seemed a model for other government offices to emulate. PERSONAL BRIEF I am a resident of North Carolina, and I am currently employed with Alpha-Gamma Technologies, Inc. as a Staff Environmental Scientist. However, the views expressed here are my own, and are in no way associated with my employer. I have worked as a contractor for the U.S. Environmental Protection Agency developing new methods for air sampling and analysis, and writing federal guidelines for state regulators. I have also worked as a consultant for industrial clients such as Texaco, Arco, and several other chemical and manufacturing companies. My expertise centers around air quality issues, but I am also involved in hazardous waste and petroleum issues. I have been selected by the Governor's Waste Management Board to make presentations on hazardous waste issues, and I was just recently invited to speak to the National Oil Recyclers Association at their annual meeting in Cleveland, Ohio. 1 D. Hance, DEM April 22, 1993 INTRODUCTION I would like to commend the Environmental Management Commission and the Division of Environmental Management for addressing these rules. The business community and state regulators have long addressed the need for more specific guidance on groundwater issues, and these proposed amendments are a laudable first step. However, these amendments should be NOT be passed in their current form. The regulations of North Carolina, as with other laws and rules, are meant to provide guidance to responsible citizens and businesses, and to provide avenues of enforcement or punishment for those few entities who choose to be irresponsible. Concise, well- written, and tightly-woven regulations provide cornerstones for: o Business Management and Planning o Regulation and Enforcement Actions o Protection of Citizen's Rights, and o Environmental Protection. These goals are ideals that all regulations should strive for, if not achieve. These amendments, in their current form, fail to adequately address many of these issues, and major revisions are needed before they become part of the North Carolina Administrative Code. Many of my comments deal with the overall goals, tone, and philosophy that the current amendments seem to condone. Whether intentionally or not, the proposed amendments seem to encourage responsible parties NOT to clean up pollution, particularly with regards to groundwater. This, in essence, changes the overall philosophy of those regulations dealing with the environment. That philosophy should be that responsible parties will clean up pollution and remediate the affected areas to those conditions existing before the pollution occurred. Most people realize that this is not always possible, and that the regulations must address the cases where this philosophy or goal is infeasible. However, the alternate goals of "drinking" water quality and alternate cleanup levels should be worded as alternative goals that should be addressed only when the primary goal of complete remediation is proven infeasible. The wording I am proposing would not alter the scope or meaning behind the changes proposed, but would clearly indicate that pollution of groundwater is to be avoided, and that all reasonable measures will be taken to protect our groundwaters. In addition, much of the proposed amendments is unclearly written. The rules should be written in such a way that the general public can understand their rights and obligations under them. In their current form, many individuals would be forced to hire a consultant 2 D. Hance, DEM April 22, 1993 or attorney to translate their meaning and purpose. This type of action is well beyond the means of many who would be affected by the amendments. Please review these regulations from the standpoint of a layperson, and reword them appropriately. Specifically, break up the many-worded sentences, and provide examples of how the regulations would be enforced. I have found that introducing several theoretical or actual case studies (such as Examples 1, 2, & 3) go a long way to clarify how each section of a regulation will address violations. I also see no evidence that a comprehensive study was conducted to assess the economic and environmental impact of the proposed amendments. An impact study is usually conducted for all regulations -federal, state and local -to ascertain that the objectives influencing the change will actually be met. In fact, several other consultants, not just environmental groups, have indicated during the public hearings that the proposed amendments will lead to increased costs, while deemphasizing public and environmental protection. · I offer the following specific suggestions to the Division of Environmental Management and the Environmental Management Commission. These suggestions appear in the order of the proposed amendments, section by section. I ask that you postpone the passage of these amendments until: all such suggestions are given fair and equal review, and appropriate changes made; that officials in all branches of DEM that are affected by these amendments be given a chance to review them; and after a thorough impact study has been performed on how the amendments will actually affect business, citizens, and the environment. Section .0103 ( a) -Policy Please strike the work "significant" from the sentence "These groundwaters generally are a potable source of drinking water without the necessity of si g nificant treatment." The existing rule better reflects the reasonable expectation that citizens should be able to drink their groundwater without having to treat it. Section .0103 (b) (2) -Policy As the proposed amendments are written, the regulations change existing law and allow excursions beyond property lines and does not address potential contamination. This should be rewritten as "a violation of groundwater standard beyond the boundaries of the property on which the source of pollution is located, or has the potential to lead to this type of violation." 3 D. Hance, DEM April 22, 1993 All land, whether private or public, must be protected under the regulation. Though trespass laws may supersede these regulations, the current wording allows for ambiguity on the responsibilities of the applicable party. Mr. D. Van Noppen, a Raleigh attorney, made some thoughtful comments at the Raleigh public hearing on how these regulations affect the rights of nearby residents and property owners. I agree with his comments, and would like to add my concurrence to much of his presentation. Section .0104 -RS Restricted Designation This entire section is very confusing, starting with paragraph (a) (1). This section should be reworded to clearly state the implications of this designation so that the general public can understand it. Paragraph (c) should be reworded into subparagraphs better defining boundaries and ensure that the rights of nearby residents and property owners are addressed. Section .0106 (a) -Corrective Action This paragraph should be rewritten as follows 11Where groundwater quality has been degraded, the goal of any corrective action shall be restoration of the groundwater quality .to pre-existing levels. Failing this goal, corrective action should restore groundwater quality beyond or close to the standards specified in Rule .0202 as is economically and technologically feasible." The first goal, despite any feasibility, is to clean up contamination to precontamination standards. Only after the infeasibility of this goal is established should other standards be addressed. It would be appropriate to insert a few sentences such as "These regulations provide specific guidance for groundwater remediation and monitoring. The first priority for any excursion of contaminants into the soil should be immediate cleanup, with all other priorities considered thereafter as determined by the applicable regulatory agency." This wording would make it clear that the first priority of any pollutant spill which could be transported by groundwater is cleanup. Any other wording is ambiguous, and deprioritizes the importance of policing our collective environment. 4 D. Hance, DEM April 22, 1993 Section .0106 (h)(i)O) -Alternate Cleanup Levels The use of alternate cleanup levels may become necessary due to circumstances beyond the control of the responsible party. However, as worded in the proposed amendments these rules provide too much latitude and discretion on the part of the responsible party and regulatory agency, thus increasing agency workload and delaying cleanup efforts. I would suggest that a specific Alternate Cleanup Level (ACL) be established, such as those levels of contaminants depicted in Section .0202 (g), and that specific circumstances be provided for their use. I would also suggest that a specific fine be stipulated and enforced to use the ACL. The combination of specific ACL's, circumstances for use, and fines would eliminate a lot of guesswork and review on the part of the regulator, alleviate paperwork, and provide some incentive for responsible parties to investigate all alternatives to cleaning up groundwater. Section .0106 (I) -Use of the 1 :40 Ratio Many of my comments towards the use of the 1 :40 ratio in decontamination are the same as for the use of ACL's. More specifically, I would tie the 1 :40 ratio in with the specific ACL I mentioned above. Once contaminant levels fall below the specific ACL established above, then the 1 :40 ratio may be implemented. Again, more specific circumstances for its implementation should be stated, and a fine should be assessed commensurate with 'its implementation. Section .0202 -Groundwater Quality Though the amendments did a commendable job in providing a list of groundwater standards, they failed to provide a list of other contaminants that provide clear indication of groundwater contamination by petroleum products. The toxics listed in Section .0202 usually represent less than one percent of the compounds found in unadulterated petroleum products. Hence their nondetection is not a clear indication that the groundwater has been remediated. The levels established here fail to protect or address citizens' rights not to have groundwater contaminated with petroleum products that are not toxic, but nonetheless, affect their standard of living. This observation was also made at the Raleigh public hearing by Mr. Gokel, president of GeoChem, a laboratory that specializes in soil and groundwater testing. 5 D. Hance, DEM April 22, 1993 The proposed amendments should provide a separate section that addresses petroleum compounds that are non-toxic. This section should determine what levels are needed to remediate groundwater below the thresholds for human detection by odor, taste, or physical irritation of the eyes, skin, lungs and digestive system. Without this section , the p ro posed amendments will be remiss in addressin g the ri ghts of residents and landowners in affected areas of contamination. · · Section .0202 (g) -Class GA Standards One sentence in this section seems insignificant on the surface, but may have broad implications in its implementation. The sentence ''This does not apply to sediment or other particulate matter which is preserved in a groundwater sample as a result of well construction or sampling procedures" should be deleted from the amendments. Groundwater sampling systems should and can be constructed so that groundwater extracted from them provide a representative sample without resorting to physical treatment after sampling. The inclusion of the above sentence could lead to the interpretation that post-sampling treatment is allowed, such as filtration. Depending upon the type of methods and filters used, filtration will remove colloidal particles, particularly toxic metals, that are transported by groundwater. Removal of this sentence will eliminate any such interpretation, and encourage responsible parties to construct and install monitoring wells that can provide representative samples. POLLUTION PREVENTION Pollution prevention is part of our national environmental policy and is specifically aimed at reducing pollution at the source when and wherever possible. In their current form, these amendments do not provide specific guidance or incentives for businesses to address pollution prevention. 1. According to the Office of Waste Reduction, NCDEHNR, they have not been contacted to provide comments on these rules. This office generally presents a non-biased effort to prevent pollution and waste. They should be provided the opportunity to comment on all new rules to ensure that the rules address pollution prevention when and where applicable. · This office was formed to address some of these very issues, and their input should be considered an integral and mandatory part of the regulatory review process. 6 D. Hance, DEM April 22, 1993 • 2. The proposed amendments provide little incentive, either in the way of enforcement actions or fines, to encourage responsible parties not to spill chemicals into the ground or groundwater. The assessment of fines and related fees should be specifically addressed by the regulations. Though considered by some to be inappropriate, the inclusion of fines provides a basis for business planning and management, and provides a sound basis for business decisions aimed at pollution prevention. Clearly worded rules on fines also alleviate guesswork and headaches on the part of the regulatory agencies when assessing enforcement actions. The standard fine should be gauged so as to provide a clear incentive for businesses to prevent the excursion of contaminants into the groundwater. Fines and related fees should be weighted according to the contamination. Virgin petroleum products of gasoline and No. 2 fuel oil would be weighted with a multiplying factor of one (1). All other contaminants would be assessed a higher factor based on toxic/ carcinogenic qualities. Twice the standard fine, based on weight, should be assessed immediately upon discovery for all spills, regardless of size and impact. The net effect of double fines allows for deposits to be made against cleanup. If a cleanup is initiated, then the business receives half of its money back to assist with cleanup efforts. If the responsible party can demonstrate that cleanup would be ineffective, then the ALL of the double fine would remain with the state. Should you have any questions about my comments, please feel free to call me anytime. Sincerely, 5---1 C Mii· .. ~1 Samuel C. Mcclintock cc: Mr. Barlow Hergett, Raleigh City Council North Carolina Senator Linda Gunter Mr. Preston Howard, Director, DEM Mr. Jonathan Howes, Secretary, DEHNR All EMC Members 7 Standards. If more funds are required, then raise the tank registration fees, charge the same fee for all USTs regardless of size, and/or increase the motor fuel tax. If consulting firms are taking advantage of the system, put tighter controls on how and when monies can be spent. 2. If the Department is going to allow alternate cleanup levels to be established or allow natural remediation to occur, then it has to determine how these sites are going to be monitored. I am concerned that in the Piedmont and Mountain Physiographic regions of the State, insufficient knowledge about the rate and direction of groundwater movement is known. The regolith and underlying bedrock.are commonly fractured and foliated, providing pathways for water movement that is very difficult, if at all possible, to monitor with any degree of confidence. The presently accepted models to predict groundwater flow direction and rate are based upon assumptions that the aquifer is homogeneous and uniform in nature; something fractured rocks are not. In addition, very little is known about the degradation and attenuation of chemicals in naturally occurring aquifers. Much research has been conducted in these areas in the laboratory. However, the extension of this knowledge to the field is in its infancy. I therefore find it difficult to believe adequate data is available to model an aquifer in the Piedmont and Mountain regions of North Carolina to satisfy the requirements in Section .0106(i)(l), and (k), (2), (3) or ( 4). 3. In both Sections .0104 and .106 the proposed rules that monitoring systems sufficient to detect changes in the groundwater quality be installed. Who decides what is sufficient? Are the models discussed above to be used and believed? If I am to stake my reputation and license on the line in developing a monitoring system sufficient to detect changes in a certain area and which is to protect the public welfare. I will not base my decisions on a model but on numerous monitoring wells. 4. Section .104 states that the RS designation is temporary. The proposed rules allow for natural remediation of the site with "sufficient" (my emphasis) monitoring. I propose that a temporary condition and natural remediation are at odds with each other. If this language is to be used, then the proposed rules need to define "temporary" as meaning decades. When I worked for the DEM, there were numerous sites which had been contaminated since the early 1980s, and the levels of contamination at three sites have not decreased significantly even today. The literature is full of articles which state that for bioremediation to succeed, the bacteria need enough oxygen to produce energy and commonly need micronutrients which may not be present in the soil in amounts necessary for the bacteria to grow in large numbers. If the Department is going to allow natural remediation to occur, then it needs to understand that these sites will persist for decades. In closing, I would like to commend those persons working in the regional offices. I know first hand what they go through every day. They are the ones who have to implement 1 2. 3. Standards. If more funds are required, then raise the tank registration fees, charge the same fee for all USTs regardless of size, and/or increase the motor fuel tax. If consulting firms are taking advantage of the system, put tighter controls on how and when monies can be spent. If the Department is going to allow alternate cleanup levels to be established or allow natural remediation to occur, then it has to determine how these sites are going to be monitored. I am concerned that in the Piedmont and Mountain Physiographic regions of the State, insufficient knowledge about the rate and direction of groundwater movement is known. The regolith and underlying bedrock are commonly fractured and foliated, providing pathways for water movement that is very difficult, if at all possible, to monitor with any degree of confidence. The presently accepted models to predict groundwater flow direction and rate are based upon assumptions that the aquifer is homogeneous and uniform in nature; something fractured rocks are not. In addition, very little is known about the degradation and attenuation of chemicals in naturally occurring aquifers. Much research has been conducted in these areas in the laboratory. However, the extension of this knowledge to the field is in its infancy. I therefore find it difficult to believe adequate data is available to model an aquifer in the Piedmont and Mountain regions of North Carolina to satisfy the requirements in Section .0106(i)(l), and (k), (2), (3) or ( 4). In both Sections .0104 and .106 the proposed rules that monitoring systems sufficient to detect changes in the groundwater quality be installed. Who decides what is sufficient? Are the models discussed above to be used and believed? If I am to stake my reputation and license on the line in developing a monitoring system sufficient to detect changes in a certain area and which is to protect the public welfare. I will not base my decisions on a model but on numerous monitoring wells. 4. Section .104 states that the RS designation is temporary. The proposed rules allow for natural remediation of the site with "sufficient" (my emphasis) monitoring. I propose that a temporary condition and natural remediation are at odds with each other. If this language is to be used, then the proposed rules need to define "temporary" as meaning decades. When I worked for the DEM, there were numerous sites which had been contaminated since the early 1980s, and the levels of contamination at three sites have not decreased significantly even today. The literature is full of articles which state that for bioremediation to succeed, the bacteria need enough oxygen to produce energy and commonly need micronutrients which may not be present in the soil in amounts necessary for the bacteria to grow in large numbers. If the Department is going to allow natural remediation to occur, then it needs to understand that these sites will persist for decades. In closing, I would like to commend those persons working in the regional offices. I know ) first hand what they go through every day. They are the ones who have to implement I April 23, 1993 Members of the Environmental Management Commission Department of Environment, Health and Natural Resources P.O. Box 27687 Raleigh, NC 27611-7687 Re: Proposed Amendments to the North Carolina Groundwater Classifications and Standards, 15A NCAC Subchapter 2L Dear Commission Members: OitOUNDWATER SECTION RALEIGH, NC I want to first thank you for the opportunity to be able to comment on the proposed amendments to the Groundwater Classifications and Standards. I have lived and worked in North Carolina for a little over 5 years. During this time I worked for the Division of Environmental Management as a hydrologist and Regional Groundwater Section Supervisor in the Winston-Salem Regional Office for just under 2 years. For the last 3 1/2 years I have worked as a consulting geologist and hydrogeologist. I am a licensed geologist and the company I work for is a corporation licensed to practice both geology and engineering in North Carolina. Prior to working and living in North Carolina, I taught geology at Southwest Missouri Sate University in Springfield, Missouri. Having carefully reviewed the proposed amendments I would like to make the following comments. There are many parts of the amendments that I favor, such as requiring work that includes geology and engineering to be signed and sealed by one licensed to do so in the State of North Carolina. I also favor much of the language in Section .0106; especially parts ( d) through (g). However, I am concerned that many of the amendments have been designed so that those responsible for contaminating the groundwater will not be required to cleanup their contamination. Using my knowledge of North Carolina geology and experiences, I would like to share with you some of my specific comments regarding the proposed amendments. 1. The proposed rule changes, if passed, will regulate not only owners of Underground Storage Tanks (USTs), but also all other forms of business which may contaminate the groundwater through their actions. I do not believe that the 2L Standards should be changed solely to benefit a select business group. If the Department is concerned that the Trust Fund is in jeopardy of going broke, then fix the Trust Fund, not the 2L .. whatever rules are decided upon, and I sincerely hope you requested their candid comments on the proposed rules. I do not envision a decrease in the work load for these people, however, I do envision a status quo or very possibly an increase in the work load. Every C, D, and E site in the State is going to submit requests for RS designation, natural remediation, or alternative cleanup levels. The remediation of the primary and secondary sources of contamination will still be required at all of theses sites. A site assessment to determine the extent of contamination will still be required at all sites where groundwater contamination is suspected, and either the adequacy of a monitoring system or a remediation system will have to be reviewed. I do not see these proposed rules as time or money savers as they seem to have been presented. So again, I respectfully submit that the Commission consider only those proposed changes which are intended to make a responsible party be responsible for their actions and not those solely designed to save the Trust Fund money. I will be happy to answer any questions you may have and to participate in what I hope is an ongoing process. Sincerely, J2-M . ~J-- . Stewart HEARING ON GROUNDWATER CLASSIFICATION AND STANDARDS ASHEVILLE, NC APRIL 21, 1993 COMMENTS ON BEHALF OF CHEMICAL INDUSTRY COUNCIL OF NORTH CAROLINA AND FMC CORPORATION, LITHIUM DIVISION My name is Arthur Gillespie, and tonight I am speaking for FMC CORPORATION, LITHIUM DIVISION, of Gastonia and Bessemer City, NC, and for THE CHEMICAL INDUSTRY COUNCIL OF NORTH CAROLINA, a pro-active industrial Environmental Action Organization representing over fifty environmentally responsible and caring chemical and pharmaceutical manufacturing firms in North carolina. Although we have some concerns about the wording in the proposed rule changes, FMC, CICNC, and its member companies fully support the concepts in the pioposed amendments. The principles upon which these amendments are based are sound, involving good science, engineering, and economics. The proposed amendments acknowledge that current technology cannot in some cases return contaminated waters to pristine conditions--at any cost. They recognize technical limitations and allow remediation to be suspended when its limits have been reached. This flexibility is important. In some cases it is not necessary to undertake active remediation programs, where there are no immediate health risks and where natural remediation takes place to solve the problem in time. The Division of Environmental Management has the capability to evaluate contamination incidents to determine which ones need remediation. There are limited amounts of monies available to the State and it must prioritize the money it spends on environmental threats. The same can be said for industries and for municipalities faced with cleanup needs. These amendments would allow the State to make responsible decisions about the expenditure of limited resources. There are numerous cases where municipalities , industries, or governmental organizations have had to spend vast sums of money in order to try to achieve near perfection in groundwater cleanups. In most cases the cost goes up greatly as the residual amounts of contamination are removed. The old question is "How clean is "clean""? Some degree of reasonableness based on good risk assessments is needed. Again, we support the concept of these proposed rules. Thank You! Arthur S. Gillespie, Jr. April 21, 1993 Save Our Rivers, Inc. P.O. Box 122 Franklin, NC 28734 (704) 369~7877 Environner.t.2,.l Management Commission 512 ~alisbury Street Raleigh, N.C. Re: Grondwater Rules Dear Sir, Thank you for the opportunity to speak regarding groundwater rules affecting ourvaluablewater supply. This past fall, in Macon. Courity, an incide1it. occurred in which a filling station attendant was Pumping diesel fuel, then le.ft the nozzle to answer the telephone. Unknown to him, the nozzle fell to the grourid and continued pumping, this time onto the ground. It was a fiasco after he realized what had occurred. The proper emergency personnel were not available tb handle the situation. Thank goodness for the Franklin police who kriew to put down sawdust. That evening, heavy'rains fell, allowing more fuel to flow through the gutters the distance of two blocks to the Little Tennessee River, at which downstream are located critical habitats of several.fragile.species. This episode can happen anywhere, contaminating our groundwater. SAVE OUR RIVERS, INC .. takes the position _that if a party contam- inates, it must be held responsible and clean up the mess. If groundwater contamina.tion meets a neighbor's property line, all precautions inust be made by the contaminator to clean it up and prevent it from movi•ng urider the neighbor's lands. We also ask that the the state require training of anyone working with possi~- ble pollutants in the chemical and petroleum industries in order :that he/she kriow how to handle properly the material and to know what to do in the case of an accident. While international groups such as the National Geographic Society are stressing the value of our water supply and :the importance of protecting it, we strongly urge _the Environmental Management Com- mission and others in the state to do the sanie. Thank you. Sincere:ly, SAVE OUR RIVERS, INC. ,~ 6 /A' fZcJo-;-->--.J Margaret R. Jones President • ' . STATE OF NORTH CAROLINA GROUN0WAiER SECTION DEPARTMENT OF TRANSPORTATIO r LElGH, NC JAMES B. HUNT. JR. GOVERNOR DIVISION OF HIGHWAYS P.O. BOX 25201, RALEIGH. N.C. 27611-5201 Mr . Arthur Mouberry Groundwater Section Chief Department of Environment, Health and Natural Resources 512 N. Salisbury Street April 16, 1993. Raleigh, North Carolina 27604-1148 SAM HUNT SECRETARY REF: COMMENTS ON PROPOSED AMENDMENTS TO GROUNDWATER CLASSIFICATION AND STANDARDS, 15A NCAC 2L .0102, FOR THE PUBLIC HEARING RECORD Dear Mr. Mouberry: The North Carolina Department of Transportation is deeply concerned. about the proposed definition of nResponsible Party". Title 15A NCAC 2L .0102. (19)(b) and (c} have the potential to significantly impact the NCDOT and may result in significant costs to the citizens of this state. 15A NCAC 2L . 0102 ( 19} (b). The NCDOT must acquire additional Right of Way for widening existing roadways. This often requires the acquisition of properties containing UST's. Acqµisition of these properties for public use should not result in the State naming itself a "Responsible Party". While we recognize.that the statutes may provide for the current property owner being named a "Responsible Party'', we do not believe that this should be applied in situa.tions where properties are acquired for public use, and that this should be reflected in any rules revisions. A high percentage of all UST's are located. on properties in close proximity to highways that are subject to widening. The adoption of definition (19)(b) has the potential to transfer a significant portion of the owner/operator liability t,o the public which is already contributing to clean up through the motor fuels tax. 15A NCAC 2L .0102 (19)(c). The citizens of North Carolina through the Department of Transportation own property adjacent to al.most every UST site in the state, and the North Carolina Department of Transportation holds title to this property in "public trust". The possibility of the State naming itself a MR. ARTHUR MOUBERRY Department of Environment, Health and Natural Resources April 16, 1993 Page 2 "Responsible Party" under this definition is unacceptable. This proposed rule has the potential to make the Department a "Responsible Party" merely by owning clean property adjacent to a contaminated property and not allowing the adjoining property owner the opportunity to use and to contaminate public property in order to·clean up private property. The Department has long sought to avoid situations that will increase public liability and will contaminate the public's right of way. Further, we do not believe that there is any statutory authority for this proposed definition of an adjoining landowner to be named a "Responsible Party". WGM:WLM:wpl cc: Secretary Sam Hunt Sincerely, William G. Marley, Jr., P.E. State Highway Administrator Deputy Secretary Garland Garrett, Jr. J. T. Peacock, Jr., P. E. -Chief Engineer-Preconstruction D. w. Bailey, P. E. -Chief Engineer-Operations J Mr. David Hance Page 2 April 15, 1993 you should strive to responsibly dedicate your efforts to main- taining the maximum protection to the public that we are finan- cially able to provide. A means to this end 1s responsible dec1s1on making rather than strict adherence to 111 founded regu- lations at any cost. ROSE OIL CO MPAN Y Hr. David Hance P.O. BOX706 HENDERSON, N.C. 27536 PHONE (919) 438-7141 Div of Environnental Mgt Grouncwater Div P. o. Box 29535 Raleigh, N. C. 27626-0535 April 14, 1993 -r\i"fo,•;., Full Line Lubricants Jobber Tires, Batteries and Accessories Dear Mr. Hance: GROUNDWATER SEtr,ok RAL.EJGH. Ni:! I appreciate the opportunity to speak very brieily at the hearing in Raleigh, N. C. I am delighted to see some effort being made to allO'w sorae common sense and prHctical judgement to take place in the area of tank removal a.rid clean uu. It is long over due. How did we ever get to the point that we thought someone could write a regulation and standard that would fit every problem out there. That the regulation would be able to provide a better solution to each problem than someone looking at the problem who has 30 years experience. Just about as ridiculous as it would be to have a doctor have a set of regulations to tell him how to fix a problem after he opened up the patient. There were a couple of good cases shown focusing on the tremendous waste going on. I would like to again tell our story. Chevron 8il Company purchased a site next to ours. They never-developed it. There were 3 other gasoline units in the area. They drilled and found contamination. We were told it was our responsibility to prove it wasn't us. .After spending $40 ,ooo we decided to remove our tanks and lines. We paid consultant <1?4,300_ to be there and take sanj_bles • The samples were good samples. We had no problem what so ever. We then purchased the property from Chevron. The contamination was then on us only. on City water., no wells in arEa, and doing no harm to anyone. 1',-e paid our lawyer to go with us to Raleigh to see ¥.r. Zimmerman. We had spent our $50,000 and were there only to request that the State not waste taxpayers money by requiring further cleanup . ~:fr. Zinmerman agreed that it ma.de no sense, but said the regulations gave him no authority to make that decision. The trust fund is in the process of ~pending major dollars at this time. We believe this to be a pure waste of funds needed in many other places to prevent further possible problems. We don't-have unlimited funds arid don't believe the trust fund has. ':(lwenty million dollars is a pi tance if _some sani. ty doesn't come forwe.rd. Fees will continue to go up, problems put off, new-equipment go unbought. 1Ul of this as we soothe our conscience that we are doing some noble thing while we poor func1 s down a rat hole. \ta,,6rte en LtEAGU E OF WOMEN VOTER S OF NORTHACprAi· 1 R0 7 ,L 1 1 9 N 9 A 3 ~~ to HEARING OFFICER, PUBLIC HEARING Environmental Management Commission Raleigh, N.C. AMENDMENTS TO 15A NCAC 21 .0100 and .0200 GROUNDWATER CLASSIFICATION AND STANDARDS I am Margaret Holton, Director of Water/Air and Natural Resources for the League of Women Voters of North Carolina and speaking for our 20 Units across the state. The position of the League of Women Voters of NC is for "stringent controls to protect the quality of current and potential drinking-water supplies, including protection of watersheds for surface supplies and of recharge· areas for groundwater". It is difficult to predict the impact of the proposed revision draft of ISA NCAC 21 Groundwater Classification and Standards for existing and potential sources of public and private drinking water supplies in N.C. This revision of standards, if enacted, will mean that N.C. has retreated from its antidegra- dation goal for the protection of groundwater. These proposed rules are a drastic change from the present NC Groundwater Regulations because of the new RS, Restricted Designation, definition and application. Why did the Task Force not work through the .0113 VARIANCE section where the rules give the public and the affected parties more opportunity through the Public Notice and Hearing to learn of the problem and proceedings for Cleanup of Contamination? There are loopholes in the application of the RS Designation,as only one local media notice(there should be three and that should apply to Variance as well) may not be seen by interested citizens. The responsible party under Rule .0106 Corrective Action must report to the Health Director in the county or counties where the contamination has occurred, .1114 Requirements. How much later does the responsible party have to notify the adjacent owners of the contamination? The RS Designation relieves the responsible party from having to get a Variance. Only if the Director detemines there is significant pub- lic interest would a public hearing be held. The RS Designation leaves a great deal of discretion to the Director and the approval for an alternate cleanup plan including "natural remediation" that will leave many unanswered questions for adjacent neighbors. The rules do not address exactly what criteria the Director will use to declare that the respopnsible party can use"natural remediation" ~~£.__d_<? '..!i.!1.~,,~ive a definite time as to when the RS Designation would be lift~<f1,-~should address the rights of adjacent landowners and those beyond if the contaminant plume has extended and that groundwater contamination that reaches a neighbor's prop- erty line must be cleaned up and prevented from moving under the neighbor's land. Keep the existing rule on liability for responsibile party. Groundwater and surface water quantitiy and quality issues are inextricably interrelated in that groundwater represents the source of fifty percent of average stream flow. Available knowledge and expertise on quantity, quality, protection and management issues of groundwater is far less advanced in N.C. than that of surface water,and predictions for future use. The RS Designation will further decrease ability to have future water supplies preserved. Why not use it only where surface water from a reservoir is available and have the re- sponsible party clean up contaminated groundwater? N.C. needs all the future water supplies that it must protect for our population growth. 801 Oberlin Road Suite 32 ~-~ ~ ~ ~alelgh, N.C. 27605 919/839·!5}2 , J ~~~~ ·~yi ~~~~4~4~~Ad C O NCERNED CITIZE NS OF TILLERY, INC. P. 0. BOX 61 ~ TILLERY, N ORTH CAROLINA 27887 (919) 826 · 3244 APRIL 5, 1993 On behalf of the Concerned citizens of Tillery (CCT) and Halifax Environmental Loss Prevention (HELP), I address the North Carolina Environmental ~nagement Commission this evening to say that we are shocked and outraged at the new proposed rules regarding the Clean up of groundwater pollution. ~ . . The stat;s groundwater 1s already being degraded rap idly and well water throughout rural eastern North Carolina is at risk to say the least. It is foolish to expect the public to believe that there are "pockets" of contaminated groundwater in existence which will not contaminate other sources of groundwater us·ed for drinking, agriculture and the like. We, the people, ,,understand that there is such a thing as an ecosystem which means that when one part of the life cycle is put into jeopardy, so are many other parts of the life cycle put into jeopardy. We, the Concerned Citizens of .Tillery and Halifax Environmental Loss Prevention, firmly oppose~ -te' the state of North Carolina's abandonment of its "nondegredation policy" with regard to groundwater. ccT · is a community organization which serves the rural, eastern half of Halifax County and has an active membership of more than 350 families. HELP is an interracial grassroots organization which works to protect the air, water, soil and quality of life of rural Halifax County as well as the health of the county's citizens. The two organizatio~ impact thousands of homes in Halifax County. ,Tn this • ~ery poor part of one of the poorest counties in North Carolina, the majority of residents depend on shallow wells for drinking water. It is our understanding that there have been several cases where the state of North Carolina has erroneously determined that no one was using a well near a contaminated site. It seems that it is always poor, African-American and Native American communities where such "erroneous" determinations are made. What will you do when drinking water is polluted? How will you correct problems resulting from erroneous determinations? Bottled water cannot replenish or replace clean, local sources of drinking water and will cost a tremendous amount in the end. with so many bodies of water already too polluted to drink, the Commission mu ~t health is already threaten~t y protect all the state's waters. Our poverty, resulting in malnutrition, lack of heat, and having to choose between buying food and medicine. We cannot risk such errors. Eastern Halifax county is already the victim of Environmental Racism in the form ofj ~tensive vertically integrated corporate livestock industry wtri ch a r e locating tlu1H:' "factory farms" in predominantly African-American communities. Being a poor area and a Black area, environmental regulations are not enforced the way they would be in rich, more affluent white neighborhoods with political clout. Already our health and the quality of our water are threatened by the huge cooperate hog factories. Creation of loopholes for cleanup requirements of groundwater pollution would clearly seal our fate. With more pollution and less enforcement, our water and therefore our health will be swiftly ruined. With all of these concerns in mind, we urge you: Do not abandon the nondegredation policy with regard to groundwater. Do not ease the clean-up requirements. Thank you for your attention to this matter. Mr. David Hance Page 2 9 April 1993 going into the various cleanup accounts are being projected to be less than the claims for cleanup by 1995. Tn th~s end he shou d t be held to requirements sP.t ·forth in Rule .0202 9) &. (h). Thus, the authority to grant va iances is an important par f the rules. For example, the rules require benzene to be cleaned up to 1 part per billion, while public drinking water standards is 5 parts per billion. This should be changed unless factual risk assessment would dictate otherwise. I, therefore, would suggest further examination of the basis for risk assessment prior to final rule making or revisions. It is well known that the most currently used remediation method -"pump and treat" -cannot meet this current requirement in Rule .0202 (g) &c (h). So why continue to bankrupt everyone by continuing such a process or any process attempting to reach unreachable goals. This opinion is shared by academia also. See comments by Dr. Heath and others at Groundwater Rules Workshop in Raleigh on 5 3anuary 1993. I have been engaged in attempting to drain wet soils in situ for a period of 50 years, and I know how difficult it is to remove water from the soil. Small droplets of water containing hydro- carbons will cling to the soil particles or be trapped in the small pore water spaces, especially in fine-grained soils such as silty clays and clayey silts, and cannot be moved by gravity. The con- centration of hydrocarbons within these droplets will in general cause the allowable residuals to be exceeded, especially when we are talking in terms of 1 part per billion. JDGjr: lw (comments.lw3) Very truly yours, ~~~~ John D. Grady, Jr., P. E. President cc Senator John Kerr, III Representative Phillip A. Baddour, Jr. Representative Jerry Braswell Representative Carolyn Russell N. C. Petroleum Marketers Association Nr. Bo Radar Mr. John Strickland CONTRACTORS AND €NGIN€€RS SE:R\IICE:S, INC. 1304 NORTH WILLIAM STREET P. 0. BOX 762 GOLDSBORO, NORTH CAROLINA 27533 .. 0762 TELEPHONE: (919) 735-7355 (919) 735-7362 Mr. David Hance Div. of Environmental Management Groundwater Section P. 0. Box 29535 Raleigh, NC 27625-0535 9 April 1993 The inforaat:ion herein .,,.. p•rti•lly pr....,,,ted at the Public He•ring in 3•ck.anville on 1 April Re: Comments on Proposed Revisions to 15A NCAC 2L Dear Mr. Hance: F>fl()u'·lj\.,!"li~{_rir.p ~~t"1·i~\•~ Un i.&J,,,,,,_,\ •J;._.11,Vtl! I am the president of Contractors and Engineers Servic~fiGJi NG Inc., a consulting engineering firm located in Goldsboro, North Carolina. Ny company is currently actively engaged in the remediation of several contaminated sites, primarily caused by leaking underground storage tanks and attendant piping, overfill of tanks, or surface spills. I am aware that millions of dollars have already been spent in site remediation and, in some instances, wasted due to inappro- priate and haphazard methods of cleanup. Furthermore, I am aware that follow-up inspections on some supposedly cleaned and closed sites reveal that contamination is still there. .J I am also aware that many crossroads "Mom & Pop" grocery stores have either gone bankrupt attempting to clean up or have simply closed down and await the knock on the door by the Attorney General. I believe everyone wants to protect the State's groundwater from contamination~ but I also believe that not all of the ground- waters are a potential source for drinking water. For instance, I cannot conceive of a site on Fayetteville Street in Raleigh ever becoming a source of drinking water. Therefore, each situation is site-specific and should be treated as such. In view of this, it is my opinion that the Director should be given even more leeway in deciding what remediation efforts should be made, and what level of residuals can be left in place, and which sites shall be cleaned up first. In other words, the remediation efforts should be priori- tized. Especially is this true in the face of the fact the funds ., r r Mr. David Hance Page 2 9 April 1993 going into the various cleanup accounts are being projected to be less than the claims for cleanup by 1995. ·To .this end he should not be held to requirements set forth in Rule .0202 (g) & (h). Thus, the authority to grant variances is an important part of the rules. For example, the rules require benzene to be cleaned up to 1 part per billion, while public drinking water standards is 5 parts per billion. This should be changed unless factual risk assessment would dictate otherwise. I, therefore, would suggest further examination of the basis for risk assessment prior to final rule making or revisions. It is well known that the most currently used remediation method -"pump and treat" -cannot meet this current requirement in Rule .0202 (g) ~ (h). So why continue to bankrupt everyone by continuing such a process or any process attempting to reach unreachable goals. This opinion is shared by academia also. See comments by Dr. Heath and others at Groundwater Rules Workshop in Raleigh on 5 January 1993. I have been engaged in attempting to drain wet soils in situ for a period of 50 years, and I know how difficult it is to remove water from the soil. Small droplets of water containing hydro- carbons will cling to the soil particles or be trapped in the small pore water spaces, especially in fine-grained soils such as silty clays and clayey silts, and cannot be moved by gravity. The con- centration of hydrocarbons within these droplets will in general cause the allowable residuals to be exceeded, especially when we are talking in terms of 1 part per billion. J'DGjr:lw (comments.lw3) Very truly yours, ~t:7:t,~~ John D. Grady, Jr., P. E. President cc Senator John Kerr, III Representative Phillip A. Baddour, Jr. Representative Jerry Braswell Representative Carolyn Russell N. C. Petroleum Marketers Association Mr. Bo Radar Mr. John Strickland April 7, 1993., Ground v atar Classification 8J1d Standards Hearing Comments of Judith B. Wood of the League of Women Voters of Chapel Hi11/Carrboro (L WVCH/C) The League of Women Voters of Chapel Hill/Carrboro (L'tlVCH/C) opposes some of the proposed revisions of state's pollution cleanup rules (TITLE 1 SA SUBCHAPTER 2L REVISIONS). L WV CHIC believes some of these revisions vould veaken the state's antidegradation goal by providing loopholes that can adversely effect North Carolina's futW'e water supplies. Vie are especially concerned about the so-called "n~tural rerri.ediation" that would allow tank owners to petition the North Carolina Environmental Management Commission to let contaminated groundwater remain where it is in the hopes that the petroleum or other contaminants would breakdown through natural processes before reaching any ,,ells in the area. Can we afford this risk when health authorities cite petroleum contamination as the main threat to our unde~grounp. supply of drinking vater? We think not because benzene, one of the components of petroleum., has been shown to cause cancer. This chemical can cause health risks not only when it occurs in the vat.er we drink, but also in vapor form when we bathe or cook with water containing benzene. Because other chemicals can also cause heal th problems, ve believe that the new RE~Tt>t('T~D OE~TGNATION relaxing groundwater rules should NOT be applied to permitted sites because such areas include hazardous and of.her waste sites. .,,,We also wonder how ve could be assured that groundwater contaminated ,,ith petroleum or other chemicals would stay underground and not be discharged into vetlands or surface waters? And hov vould citizens be informed of such things as cleanup and monitoring procedures? In essence, we believe we need strong groundwater rules that uphold North Carolina's antidegradation standard so that all of North Carolina's vat.er supplies will be protected because we do not yet know what water supplies ve may need in the future. FINKBEINER, PETTIS & STROUT, LIMITED CO~SULTft,;G ENGINEERS ESTABLISHED 1900 OM CENTERVIEW DRIVE GREENSBORO, NC 27407 919-292-2271 919-855-5648 FAX April 5, 1993 Mr. David Hance Division of Environmental Management Groundwater Section P.O. Box 29535 Raleigh, NC 27626-0535 Dear Mr. Hance: Re: Proposed Amendments Groundwater Classifications and Standards Our office has reviewed the Proposed Amendments to the Groundwater Classifications and Standards and offer the following comments for your consideration: 1. Paragraph .0104(a)(3) -You may want to consider revising the wording to the following: "Where the area impacted is served by anyone using groundwater as a potable water source" 2. Paragraph .0104(c) -The term "significant" is perhaps too general. Are their minimum treatment standards suggested for "significant"? or should the term "significant" be defined. 3. Paragraph .0106(c)(2)(b) Corrective Action -We strongly endorse the requirement that_ the corrective action plan should be submitted by a Professional Engineer or a Licensed Geologist. We also believe that the regulations should require the review to be also performed by a Professional Engineer or a Licensed Geologist. 4. Paragraph .0106(m) -In this section of the regulation, it discu~ges th~t the Directer 'hus the option to classify "groundwater that cannot be improved but can be treated and made potable" as RS. If RS is supposed to be a temporary classification, why classify a groundwater as RS if it cannot be improved further? If you would like further clarification of our comments, please contact Harold R. Jensen, P.E. of our office. Yours truly, 11 a , A .,)J /~ v~ G. Gary Nixon, P.E. GGN/mb A CITIZENS REVIEW OF GROUNDWATER PROBLEMS IN MOORE COUNTY prepared by MooreFORCE P.O.Box 514, Southern Pines, NC 28388 and the Clean Water Fund of North Carolina P.O.Box 1008, Raleigh, NC 27602 March, 1993 A CITIZENS REVIEW OF GROUNDWATER PROBLEMS IN MOORE COUNTY INTRODUCTION: There is an old blues song whose refrain says "Lord I asked for water ... she gave me gasoline, she gave me gasoline." Sadly, this could be sung by hundreds of North Carolinians: rural citizens who turn on their faucet one morning and fill their glasses with petroleum contaminated water, contaminated by a leaking underground storage tank. When this happens, citizens turn for help to North Carolina's Department of Environment, Health and Natural Resources (DEHNR), the agency of state government delegated by the General Assembly to enforce our environmental laws and regulations. These regulations currently allow a citizen to drill a well on his property to obtain water uncontaminated by human activities: "It is the policy ... that the best usage of the groundwaters of the state is as a -source of drinking water. These groundwaters generally are a potable source of drinking water without the necessity of treatment." (N.C. Title 15A, Subchapter 2L Rules) North Carolina thus has a "non-degradation" of groundwater policy. The rules require that those responsible for pollution cleanup or "remediate" the groundwater, thereby protecting the health, safety and property of citizens living nearby. This is important because over time pollutants in groundwater often move and a plume of such contamination can ruin the groundwater under a neighbour's property. How long it takes for a plume to move under your property, and how long it takes for DEHNR and the polluters to start cleanup actions are two closely related questions. · In Moore County, members of the environmental organization Moore For a Clean Environment (MooreFORCE) and the Clean Water Fund of North Carolina (CWF-NC) have looked at how these questions apply locally. The organizations have cooperated in a limited review of the groundwater contamination cases on file with DEHNR in its Central office in Raleigh and in the Fayetteville Regional Office. These cases include leaking underground petroleum storage tanks, contamination from industrial activities; and contamination from abandoned industrial hazardous wastes. This report is to advise our friends, neighbours, local and state officials as to what we have found and how this relates to the environmental and economic health of Moore County. For people who care about groundwater protection, this report comes at a critical time. The existing non-degradation policy requiring groundwater cleanup is being challenged and public hearings will soon be held on major revisions that ease clean-up requirements and impact on everyone living near or owning property near a source of groundwater contamination. We hope that the concerns raised by citizens in this report will have an impact on the groundwater policies and protection activities of our state and local governments. OUR CONCERNS: After reviewing the state's environmental files and talking to state and public health officials, MooreFORCE and CWF-NC-have the following concerns. First, we are concerned by just the number of cases that threaten groundwater supplies in Moore County. In this small county we looked at more than tw~ dozen sites: many are unresolved, some may never be resolved. They range from the massive groundwater contamination at the Aberdeen Pesticide Superfund sites to the far too common corner gas station with a leaking tank. We question whether the state has enough personnel and resources dedicated to groundwater protection. Second, we are appalled at how long it can take to begin groundwater protection and cleanup activities. Years can go by after a problem is initially reported before even the most basic site assessment is conducted. The problem may be finger pointing and blame avoidance on the part of responsible parties, or the complicated, extensive nature of some cases. Whatever the problem, the logjam of inactivity needs to be broken. The state has the power to require faster ACTION now, and it should. In Moore County there is at least one documented case in which citizens lost their drinking water well while those responsible argued and pointed fingers. Note: There is a great deal of discussion among groundwater experts about the ability of remediation efforts ever to return groundwater to its original condition. This is one purpose of a common system now in use, the pump and treat system. The other purpose of a pump and treat system is to stop or slow the movement of groundwater contamination away from the site. Thus pump and treat systems do protect the property of nearby citizens and delays in initiating them can have significant consequences whether or not a drinking water supply well is affected. Third, while these delays are of great concern, we also recognize that our state environmental officials do attempt to move the process along. The Fayetteville Regional Office of the DEHNR has regularly issued notices of violation to those failing to perform and report by specific deadlines. On the other hand, the much touted threat of "$10,000 per day fines" seems to be just a paper threat. The first contaminated groundwater samples at Country Cubbard were discovered at least as early as 1987. As of today; and after sending notices of violation, DEHNR had still not received comprehensive site assessment from the responsible parties. Fourth, DEHNR is to be commended for reviewing the work of various environmental contractors who offer clean-up services. The system of groundwater protection is based upon the honesty and professionalism of these contractors and poorly done or questionable activities need to be spotlighted. Indeed, one Moore County case resulted . in the Fayetteville Regional Office stating that it would no longer consider a certain contractor qualified to do such work. One positive rule change now being proposed would require the use of licensed professional engineers. Fifth, the safety net of environmental protection can have some pretty big holes in it. Delays and mistakes often occur, turning neighbours into victims and leaving them with poisoned property and few choices within the current system. Just identifying citizens who use drinking water wells near a source of groundwater contamination can be very difficult. In at least one case, the SCM Proctor-Silex State Superfund site, state officials indicated that no one using a well lived nearby only to find one such household at a much later date. Testing shows that well is contaminated. One area not addressed in this report is the impact of golf courses on our groundwater supplies. Moore Cou.Q.ty is an international golfmg center with miles of immaculate fairways. These fairways are a major local industry that require fertilizers and pesticides whose use nationally has been linked to a number of water quality problems. Liability for extremely expensive and uncertain groundwater cleanup, should wells be contaminated; concern over buildup of contaminates in water holes on the course; and the increase in public perception of golf courses as dangers to streams and human health all have potential negative impacts on the golf industry. J:"ortunately, much of the industry is beginning to respond with new awareness, developing new methods and technologies for course management. How this awareness applies to Moore County's golf courses may be the topic of a future update report. WHAT WE LOOKED AT; WHAT WE FOUND: This part is divided into three sections with brief summaries of the cases we looked at. First is a look at the Aberdeen Pesticide Dumps, a federal Superfund site, and the Proctor-Silex State Superfund site. Second, we examine selected contamination cases in state files. Third, we discuss briefly Carolina Galvanizing and its groundwater contamination problem. SECTION ONE: SUPERFUND SITES IN MOORE COUNTY: A BRIEF DESCRIPTION ABERDEEN PESTICIDE DUMPS SITE The Aberdeen Pesticide Dumps Site (APDS) is a United States Environmental Protection Agency (EPA) federally listed National Priority List (NPL) Superfund Site located in Aberdeen, North Carolina. The site is actually four separate dump sites and one industrial site. Beginning in 1936 and continuing until 1987, three successive companies operated a pesticide formulation plant here whose process involved blending concentrated pesticides such as Toxaphene, DDT, and Lindane with inert agents to make commercial grade pesticide products for agricultural use. Hazardous wastes, residues and pure product were buried in many unlined trenches. On-site soils contained high levels of DDT (11,700 ppm), DOE (43,000 ppm), and toxaphene (7,000 ppm). This improper disposal has resulted in extensive groundwater contamination as on-site soils are permeable, allowing pesticides to leach into groundwater. Over 5,000 people use drinking water from public and private wells within a three mile radius. Testing shows that 70 off-site wells contain lindane, DDT, DDD, ODE, heptachlor. The clean-up of contaminated groundwater first requires the removal of the source of contamination, in this case over 100,000 cubic yards of soil. At this time, EPA has decided upon a process involving excavation, on-site thermal desorption, and on-site ash disposal. The cost for this range upwards of $30,000,000. The actual clean-up of the groundwater is still under study. From a citizen's point of view the process for the cleanup of this NPL site is complicated and far too lengthy. "The investigations began back in 1985," said Rick Johnson, past president of MooreFORCE, a local citizens' environmental group, "and the threat to the aquifer Aberdeen depends upon is still very grave." In 1991, MooreFORCE applied to EPA for a $50,000 Technical Assistance Grant (TAG) to help obtain technical, expert assistance in evaluating EPA's cleanup proposals. "This grant should be a great help to us. It is so hard to learn how to 'speak EPA,' to find out what our rights are, to find out what hasn't been done that should be done." "The cleanup of this site is going to go on for years and there is a good chance that mistakes will be made along the way. Citizens have got to organize for the long haul. They have to form groups like MooreFORCE and do the things that will keep their gro"9p together ... that's alot of bake sales but its better than a lifetime of bottled water, " Johnson concluded. PROCTOR-SILEX STATE SUPERFUND SITE In 1989, DEHNR investigated the Hamilton Beach/Proctor Silex plant in Southern Pines. DEHNR found elevated levels of toxic chemicals and carcinogens at several locations, including a buried trench. The site was listed as a low priority one because of the belief that it did not pose an immediate health threat; no one nearby was using a drinking water supply well for example. Little else was done here until 1991, when employees of the plant demanded further testing. County officials discovered and tested an adjacent private drinking well and found trace amounts of 1, 1, 1,-Trichloroethane, a hazardous chemical also disposed of in the buried trench. This implies that the contamination has moved off-site; yet nothing more has been done, including additional testing, since 1991. SECTION TWO: NOTES ON OTHER CONTAMINATION CASES IN MOORE COUNTY These notes are an indication of some of the cases to be found in the files of the Division of Environmental Management (DEM), of the Department of Environment, Health and Natural Resources (DEHNR). EASTWOOD 66 SERVICE CENTER, EASTWOOD. DEM Incident No. 8135. Potential Responsible Party (PRP): Fred Thomas, Thomas Oil Co. Sanford. Leaking Underground Storage Tank (LUST) case. Notice' of Regulatory Requirements (NRR) sent by DEM 6-30-92 after 5-29-92 incident report. Comprehensive Site Assessment due 10-2-92 to determine groundwater flow direction, extent of plume and downgradient groundwater users. 75-100 drinking wells nearby. Former owner or operator Quality Oil Co. dug up tanks in 1989; soil tests submitted (after letter from DEM) in 1991 were negative. During tank testing in May, 1992, a leak was detected. Additional soil tests were required including the site of the removed tanks where contamination was now found. MONITORING WELL CONSTRUCTION PERMIT ISSUED, NC211/SR2075. Issued 4-23-92 to Thomas Oil Co., Sanford for 10 wells to monitor for groundwater contamination. 1· VILLAGE HALL, VILLAGE OF WHISPERING PINES. LUST case. Notice of Violation (NOV) of N.C. Groundwater Standards sent 3-18-92. Monitoring well (1) construction permit issued 5-22-92. MONITORING WELL CONSTRUCTION PERMIT ISSUED, SOUTHERN PINES. Issued 6-4-92 to Gouger, O'Neal and Saunders Real Estate Services for 2 wells at the intersection of Connecticut Ave. and Bennett St. ELKS LODGE, SOUTHERN PINES. PRP: Efrs Lodge. LUST case. NRR sent 4-20-92 after 1-22-92 notification. "a small amount of contaminated soil found after tank removal" 7-23-92. Letter from DEM-Fayetteville office to R.G.Edwards, owner, of Petro-Tee Environmental Services, Aberdeen, that DEM considered Petro-Tee "no longer qualified to perform UST closures." SIGNAL TOOL HOUSE, CSX PROPERTY, ABERDEEN. DEM Incident No. 7728. PRP: CSX Transportation. LUST case. NRR sent 2-24-92 after 2-11-92 notification. Monitoring Well (1) Construction permit issued 4-23-92. STANLEY FURNITURE CO., WEST END. Monitoring wells installed to monitor for benzene, toluene, ethylbenzene, and phenol. Slightly detectible level of phenol (.006) in well #6 8-27-92. SANDHILLS COMMUNITY COLLEGE, PINEHURST. LUST case. NRR sent 1-29-92 after 2-22-92 notification.· COUNTRY CUBBARD, HILLCREST. DEM INCIDENT NO. 2902. LUST case. PRP: Country Cubbard, Inc. (operator) & Charles Fry, owner. NOV issued 12-11-91 for failure to submit Comprehensive Site Assessment (CSA) by 9-13-91 deadline (deadline set 7-29-91). NOV sent 2-12-92 for failure to report and perform by deadlines set in 12-11-91 letter. First reported in mid-1980s, groundwater contamination moved off site contaminating well supplying several residences. Disputes among potentially responsible parties appear to have delayed remediation efforts. BREWER'S REPAIR SHOP, EAGLE SPRINGS. DEM Incident No. 6538. PRP: H.R.Holt Oil Co. Troy. Conventional Rate Soils Landfarming permit issued on 2-11-92 for on site disposal of 150 cubic yards. NOV issued on 10-17-91 for failure to submit CSA by 9-16-91, deadline set 5-21-91. LASSITER'S GULF STATION, NC24/27. DEM Incident No. 4091. PRP: Holt Oil Co. LUST case. Remedial Action Plan approved 6-15-89. HIGHWAY PATROL STATION, MOORE COUNTY. DEM Incident No. 4025. PRP: N.C. Highway Patrol. LUST case. NOV sent 2-14-89 after soil contamination found. Monitoring well installed. NOV sent 4-7-89 after 1" of gasoline found in monitoring well. Contaminated soil removed, and no groundwater found in monitoring well 10-8-90. FOXFIRE VILLAGE, JACKSON SPRINGS. DEM Incident No. 5457. Village Water Supply Well #1 contaminated by LUST and closed. Nearby municipal u.s. t. removed and groundwater remediation begun resulting in 61.3 % decrease in benzene found in monitoring well. BILL CLARK CHEVROLET, PINEHURST. DEM Incident No. 5532. L.U.S.T. case report 4-2-90. NOV issued for failure to submit CSA. CSA completed. Monitoring well installed. SECTION 3: A NOTE ON CAROLINA GALVANIZING Carolina Galvanizing Corporation (CGC) is a holding company which owns property and operates a water treatment facility on a 60 to 70 acre site on the Moore County/Hoke County line. CGC operates the water treatment facility and leases the property to New South Industries, Inc. (NSI), a wholly owned subsidiary of ERICO International Corporation (as is Eritech, Inc., which is building a new galvanizing facility in Aberdeen). NSI is a coatings and electro-plating company operating the site owned by CGC, which recently purchased the property from NSI. CGC has recently changed ownership and had a change of management. The facility, operated by NSI and now owned by CGC, has a long history of violations related to industrial groundwater contamination. Members of MooreFORCE have discussed this situation with CGC's new owner. He desires to operate a clean business and has already spent $200,000.00 in groundwater remediation. The proximity of neighbours, the extent of contamination and the problems of liability between Carolina Galvanizing Corp., Eritech, Inc. ERICO International Corporation and New South Industries, Inc. make this a complicated case in which resolution of liability issues may be difficult. MooreFORCE will continue to monitor the situation here. CONCLUSION: A LETTER TO OUR OFFICIALS Over the past year, as we have reviewed groundwater issues in Moore County we have come to realize how personal these public problems are. Each of these cases has a human face... the face of our friends or neighbours. These citizens need to be told what is going on around them. They should have a voice in the process so that their concerns are heard and addressed. They should feel that the rules are for their protection and not for the protection of th~ polluters. __ It has also become clear that local citizens cannot simply trust in the system to p rotect them. The long delays in clean-up activities; the shortage of state personnel and resources; .. the potential manipulation of the system by certain polluters mean that local citizens MUST keep up with the cases they live near and repeatedly ask: what is being done? It is also clear that our local economic development depends on good supplies of groundwater. In areas where jobs are scarce, good jobs scarcer yet, and poverty a far too common neighbour, groundwater is basic to a community's bootstrap efforts to grow and prosper. The construction of new rural housing and homesteads as well as the recruitment or creation of new industries and job opportunities is obviously linked to this limited and precious natural resource. Here is the question: "If I buy a parcel of land now, what assuranc~s do I have that I can build on it later if building on it means drilling a well?" As our state evaluates the groundwater policies our future depends upon, we ask our elected and appointed officials to err on the side of caution for the environment. The no degradation policy of our state should be maintained, but if revisions to such a policy are inevitable, they should be narrowly focused and closely linked to an increase in personnel and resources at the Department of Environment, Health and Natural Resources. For example, the proposed rule changes that allow the relaxation of clean-up standards for contamination from leaking underground storage tanks also applies to industrial or hazardous waste sites. This is too broad a change and should not be allowed. Our review of groundwater problems in Moore County shows that this precious resource is AT RISK. We hope that through greater public support of groundwater protection such a risk is never realized. For MooreFORCE and the Clean Water Fund of NC, President, MooreFORCE Raleigh Director, CWF-NC STATEtlENT PREPARED FOR THE ENVIRON?IEN'l'AL tlANAGEm:NT COimISSION Pub1ic Ha:a.ring on Proposad Aaa:ndma:nts to 15A NCAC 2L: Groundwata:r C1assification and Standards April 7, :1993 By: Ko.ya: W. Thompson, Controlla:r E. J. Popa: & Son, Inc. Pra:sida:nt, North Carolina Association of Conva:nia:nca: Stora:s I am Ko.ycz Thompson, Control.l.a:r of E~ J. Popiz & Son, Inc., ha:adquarta:rCEd in :tiount Ol.iva:, North Carol.ina. !:Iy campany owns 41. ra:tail. and 5 consignm.a:nt l.ocations in Easta:rn, N.C. Popa: has ba:izn a whol.a:sal.a: distributor and ra:taila:r of pa:trol.a:um products £or thra:a: ga:na:rations. Incl.uda:d in our corporata: ai.ssion stata:ma:nt ara: our bd.ia:fs which incl.uda: PROTECTING OUR ENVIRON?Imr. As t _ha: cwna:r/opa:rator 0£ :191 tanks in Easta:rn N.C. l.ocata:d on owna:d and l.a:asa:d propa:rtia:s, wa: hava: ba:a:n most conscia:ntious in complying with al.l a:nvironma:ntal. ra:gul.ations. ~or a:xa.mpl.a:, all. 1998 UST upgrada:s wa:ra: do~a: ba:fora: tha: a:nd of 1992. I offa:r this information to ha:lp you unda:rstand that it is not our inta:ntion to avoid a:nviro:nma:ntal.l.y sound busina:ss practica:s, but ratha:r to approach cl.a:an-up of sita:s onl.y to tha: da:gra:a: na:a:da:d to pra:va:nt contamination of drinking wata:r or to prota:ct pa:opla: and propa:rtia:s. Sinca: 1989, my company has ba:a:n invol.va:d in cla:aning up 10 sita:s, most of which hava: no ra:porta:d wa:ll.s in tha: a:stabl.ishCEd plwaa: of contamination. To data:, wa: hava: spa:nt an a:stimata:d $721, 000·. Basa:d on approvrz:d Corra:ctiva: Action Plans and bast a:stimata:s by rz:nvironma:ntal consu1tants, an additional $1,000,000 wil.l. ba: spa:nt on thasrz: 10 proja:cts. To data:, tha: UST Trust Fund ra:imburs~a:nts ra:ca:iva:d total. $69,327. Dua to tima: limitations, I wou1d l.ika: t~ offa:r £acts on ona: 0£ tha:sa: proja:cts locata:d on Front Stra:a:t in Naw Ba:rn, ~.C., forma:rly a convania:nca: stora:, now usrz:d as an offica:. Bria£ history of incida:nt: April, 1989 Pope excavated 4 ~anks and incinerated 4 7 .S tons of contaminated soils. April, 1989 April 28, 1989 May -Sept. 1989 Fire Department detected gasoline vapors in a sanitary sewage line. Notice of Violation Issued Contamination Assessment Report was prepared by Delta Environmental Consultants, Inc. Water Well Inventory revealed no permitted water supply wells within 1/4 mile of the site. The City of New Bern well field is located approximately 17 miles northwest of the ~ity limits. TABLE 1 c_:1,,1,d ,4 ) . . .'.I SUMMARY OF GF.:OUND WATER ANALYTICAL RESULT / ,r l.. . ---. E.J. POPE g( SON, INC. HANDY MART #8 NEW BERN, N.C. DELTA PF.:OJECT NO. 50-8"3-034 ALL UNITS AF.:E REPOi;~TED IN MICROGRAMS PER LITER MW-1 BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 06/29/8"3 7'3 '3 <5 <5 5 < 0.020 NA 10/25/89 250 67 13 140 10 NA NA 01 / 18/'30 76 6 <1 1 1 NA NA 05/22/90 25 17 6 43 21 NA NA 0'3/1'3/90 <1 1 <1 2 '3 NA NA 02/21/91 <1 <1 <1 <1 <1 NA NA 04/17/"31 7 8 3 "30 170 NA NA 0"3/ 18/91 61 3 22 15 <1 <0.020 NA 03/18/'32 <1 2 •") "' 42 1 <0.02 NA 07/08/92 <1 <1 <1 4 <1 <<). 02 NA 11 / 17 /"32 <1 <1 <1 <1 <1 NA MW-2 BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 06/2'3/8'3 660 440 <125 1600 7400 < 0.20 NA 10/25/8"3 770 2400 400 2100 2100 NA NA 01/18/90 1400 670 <100 16000 1400 NA NA 05/22/"30 560 210 210 1400 370 NA NA 0'3/ 1 "3/90 1'300 210 270 730 630 0.14 630 02/21 /"31 <1 <1 <1 <1 <1 <0.020 1 04/17/91 3 .-, ..::. .-, .::. 11 <1 <0.020 NA 09/ 18/'31 170 1 "3 72 74 35 <0.020 <1 !/18/'32 <1 1 '3 43 58 3 <0.02 NA 07 /08/'32 4 <1 -. .::. 10 <1 <0.02 NA 11 / 17 /"32 550 7.0 50 26 12 NA NA Mt..J-3 BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 06/29/89 <5 <5 <5 <5 <5 < 0.0:20 NA 10/25/8'3 NA NA NA NA NA NA NA 01 / 18/'30 NA NA NA NA NA NA NA 05/22/90 NA NA NA NA NA NA NA 0'3/ 1 '3/90 NA NA NA NA NA NA NA 02/21 /"31 NA NA NA NA NA NA NA 04/--17 /"31 NA NA NA NA NA NA NA 0'3/ 18/"31 NA NA NA NA NA NA NA 03/ 18/"32 NA NA NA ' NA NA NA NA 07/08/92 NA NA NA NA NA NA NA 11 / 17 /'32 NA NA NA NA NA NA NA Nf-~ = NOT ANALYZED 13F.:OUND WATER CHEMISTRY r~ ,<,., --~-; J 'PAGE· 2 Of." 2 2-u ,r: 2... .. . ..... .. MW-4 BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 06/29/89 <5 <5 <5 <5 ,· c:- -....:i < 0.020 NA )125/8"3 <1 <1 <1 <1 <1 NA NA ,_, 1 / 18 / '30 <1 <1 <1 <1 <1 NA NA 05/22/'30 <1 <1 <1 <1 <1 NA NA 0'3/1'3/90 <1 <1 <1 <1 <1 NA NA 02/21/'31 NA NA NA NA NA NA NA 04/17/91 NA NA NA NA NA NA NA 0'3/18/':H <1 <1 <1 <1 <1 NA NA 03/18/'32 <1 <1 <1 <1 <1 NA NA 07 /08/'32 <1 <1 <1 2. 0 <1 NA NA 11 /17 /'32 <1 <1 <1 <1 <1 NA NA Ml.J-5 BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 06/29/8"3 •.. C" ... ,...., <5 <5 <5 <5 < 0.020 NA 10/25/8"3 NA NA NA NA NA NA NA 01 / 18/"30 NA NA NA NA NA NA NA 05/22/"30 NA NA NA NA NA NA NA 0"3/ 1 '3/'30 NA NA NA NA NA NA NA 02/21/91 NA NA NA NA NA I\IA NA 04/17/"91 NA NA NA NA NA NA NA 0'3/18/"31 NA NA NA NA NA NA NA 03/18/'32 NA NA NA NA NA NA NA 07 /08/'32 NA NA NA NA NA NA NA 11/17/"32 NA NA NA NA NA NA NA n 'MW-E, BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 05/2'3/89 <5 <5 •' C" -: .. w <5 5 < 0.020 NA 10/25/89 <1 <1 <1 <1 1 NA NA 01/18/90 <1 <1 1 1 1 NA NA 05/22/'30 <1 <1 <1 <1 1 NA NA 0"3/ 1 '3/"30 <1 <1 <1 < 1 "3 NA NA 02/21 /"31 <1 <1 <1 <1 14 NA NA 04/17 /':H <1 <1 <1 <1 4"3 NA NA 0"3/18/"31 <1 <1 <1 <1 39 NA NA 03/18/'32 <1 <1 <1 <1 25 NA NA 07 /08/'32 <1 <1 <1 <1 :21 NA NA 111-1 7 /"32 <1 <1 <1 ' 1 35 NA MW-7 BENZENE TOLUENE ETHYL-XYLENE MTBE EDB DIPE BENZENE 06/2'3/8"3 <5 <5 <5 <5 <5 < 0.020 NA 10/25/89 NA NA NA NA NA NA NA 01/18/"30 NA NA NA NA NA NA NA 05/22/"30 NA NA NA NA NA NA NA 0'3/ 1 "3/"30 NA NA NA NA NA NA NA 02/21/91 <1 <1 < 1 <1 <1 NA NA 04/17 /"31 <1 1 <1 1 <1 NA NA 0"3/ 18/'31 <1 <1 <1 <1 <1 NA NA 03/18/'32 <1 <1 <1 <1 <1 NA NA ,/08/"32 <1 <1 <1 <1 <1 NA NA :n: I 17 /"32 <1 <1 <1 <1 <1 NA NA NA = NOT ANALYZED -Page 2 - OF THE GASOLINE SOLD NATIONWIDE. AS PMAA PRESIDENT, I HAVE TRAVELED EXTENSIVELY TO EVERY REGION OF THE COUNTRY, AND I HAVE DISCUSSED THE PROBLEMS FACING OUR INDUSTRY WITH HUNDREDS OF PETROLEUM MARKETERS. MY TRAVELS HA VE GIVEN ME A UNIQUE INSIGHT INTO THE CONCERNS OF PETROLEUM MARKETERS ---, THE MOST SIGNIFICANT OF WHICH IS TIIE HIGH COST OF COMPLIANCE WITH ENVIRONMENTAL REGULATIONS. I HOPE TO SHARE WITH YOU TODAY SOME OF THESE CONCERNS AND TO PROVIDE YOU WITH AN INDUSTRY PERSPECTIVE ON TIIE NEED FOR A MORE FLEXIBLE AND COST-EFFECTIVE APPROACH TO GROUNDWATER TREATMENT. THAT IS AN ---APPROACH THAT rs AIMED AT MINIMIZING THE ECONOMIC HARDSHIPS ON SMALL BUSINESSES IN SMALL COMMUNITIES. SPECIFICALLY, FOR THE REASONS THAT FOLLOW, I URGE lliE COMMISSION TO ADOPT THE NEW RULE ON GROUNDWATER TREATMENT AS PROPOSED. • Page 3 - I CAN PERSONALLY A1TEST TO TI-IE FACT TIIAT TIIE illGH COSTS OF COMPLIANCE WITH ENVIRONMENTAL REGULATIONS IS ONE OF THE MOST SIGNIFICANT _ .. IF NOT THE MOST SIGNIFICANT ---PROBLEM FACING PETROLEUM MARKETERS. TiiE OVER\VHELMJNG MAJORITY OF PETROLEUM MARKETERS ARE SMALL BUSINESSES WHO LACK THE RESOURCES TO INVESTIGATE AND REMEDIATE ENVIRONMENTAL CONDITIONS IN THE CURRENT REGULATORY CLIMATE. IN ADDITION TO CLEAN-UP COSTS, MARKETERS ARE FACED OVER TiiE NEXT FEW YEARS WITH THE ENORMOUS COSTS OF COMPLYING WITH TANK UPGRADE REQUIREMENTS, NEW CLEAN AIR STANDARDS, AND A HOST OF OTHER ENVIRONMENTAL RESPONSIBILITIES. THE ECONOMIC BURDENS OF COMPLYING WITH THESE REQUIREMENTS IS MORE THAN MANY I PETROLEUM MARKETERS CAN WITHSTAND. IT WAS THESE ECONOMIC DIFFICULTIES, OF COURSE, THAT PROMPTED THE MATORITY OF THE STATES, INCLUDING NORTif -Page 4 - CAROLINA, TO ENACT LAWS PROVIDING FOR UNDERGROUND STORAGE TANK TRUST FUNDS. AS ALL MARKETERS HAVE LEARNED, HOWEVER, THESE FUNDS DO NOT PROVIDE ADEQUATE PROTECTION FOR :MANY SMALL BUSINESSES WHO ARE LITERALLY THREATENED WI1H BANKRUPTCY AS A RESULT OF ESCALATING COMPLIANCE COSTS. MANY OF THE FUNDS ARE IN SEVERE FINANCIAL DIFFICULTY. IN ADDIDON, MANY OF THE MOST SEVERE ENVIRONMENTAL INCIDENTS PRE-DATE THE LEGISIATION CREATING THE FUNDS AND ARE NOT ELIGIBLE FOR COST REIMBURSEMENT. THE ONLY REASONABLE SOLUTION TO THESE PROBLEMS IS TO LOOK FOR A NEW APPROACH TO COMPLIANCE, AND ONE THAT ACCORDS A SIGNIFICANTI... Y HIGHER PRIORITY TO COST-EFFECTIVENESS. I BELIEVE TIIAT THE CURRENT RIGID APPROACH, WHICH REQUIRES ACTIVE GROUNDWATER TREATMENT IN VIRTUALLY EVERY CASE, WITHOUT REGARD TO RISK FACTORS OR THE EXPENSE OF COMPLIANCE, rs ' -Page S - UNNECESSARY AND COUNTERPRODUCTIVE. NOT ONLY DOES IT CREATE UNNECESSARY BURDENS FOR FINANCIALLY-STRAPPED MARKETERS, AND DEPLETE FUNDS THAT COULD BE USED FOR LEAK PREVENTION, IT ALSO VJ/JI 15/L 17y THREATENS THE FINANCIAL OF THE STATE TRUST FUND. AS YOU KNOW BETTER TI-IAN I, ACTIVE TREATMENT SYSTEMS, ESPECIALLY PUMP-AND-TREAT SYSTEMS, ARE WASTEFUL IN MANY CASES WHERE TIIERE .IS LITTLE RISK OF GROUNDWATER MIGRATION AND WHERE GEOLOGICAL FACTORS LIMIT THEIR EFFECTIVENESS. IN MANY CASES, ACTIVE REMEDIATION REQUIRES YEARS TO COMPLETE, AT A COST OF HUNDREDS OF TIIOUSANDS OF DOLLARS. IN A SIGNIFICANT NUMBER OF THESE CASES, MOREOVER, ACTIVE REMEDIATION ACCOMPLISHES LITTLE MORE THAN WOULD HAVE BEEN ACCOMPLISHED THROUGH PASSIVE BIOREMEDIA TION, \VHICH COULD BE ACCOMPLISHED AT A SIGNIFICANTLY LOWER COST. THE NEED FOR A MORE FLEXlBLE AND INNOVATIVE APPROACH IS -Page 6 - ILLUSTRATED BY A PROBLEM CURRENTLY FACING MY COMPANY, EASTERN PETROLEUM CORPORATION. IN 19$>/:, MY COMPANY PURCHASED A SMALL CONVENIENCE STORE AT A SITE WHICH HAD BEEN UTILIZED FOR GASOLINE DISPENSING FOR OVER FORTY YEARS. DURING ~ .. '· .. : . TIIE 1950'S AND 1960'S, THERE WAS A MOBIL OIL STATION LOCATED ON THE PROPERTY. IN 1968, THE UNDERGROUND STORAGE TANKS LOCATED AT THE PROPERTY BEGAN TO l:EAK, AND TI-IE COMPANY TIIAT OWNED THE TANKS AT THAT TIME MADE AN EFFORT TO PATCH THE TANKS. WITHOUT ANY APPARENT SUCCESS. LATER, THE TANKS WERE REMOVED. DURING TI-IE EARLY 1970'S, A DIFFERENT FUEL SUPPLIER INSTALLED NEW TANKS AT THE PROPERTY. THESE TANKS WERE REMOVED IN 1984 AND, WHEN \VE PURCHASED THE SITE, NEW TANKS WERE INSTALLED BY MY COMPANY. AT THE 'TIME TIIE TANKS WERE REMOVED, TIIERE WAS A STRONG ODOR OF GASOLINE IN THE -Page 7 - SUBSURFACE SOILS. IN SHORT, THE GROUNDWATER PROBLEM SUBSEQUENTLY DISCOVERED AT TIIE SITE TS MOST LIKELY AN HISTORICAL PROBLEM. AS IS OFfEN TI-IE CASE, HOWEVER, IT l.S THE CURRENT TANK OWNER THAT IS CHARGED WITII RESPONSIBILITY FOR THE CLEAN-UP. IN JULY AND AUGUST OF 1989, TEN MONITORING WELLS WERE INSTALLED AT THE PROPERTY. GROUNDWATER SAMPLES SHOWED SIGNIFICANT LEVELS OF CONTAMINATION IN HALF OF THE WELLS. VIHEN THE WELLS WERE MONITORED AGAIN IN OCTOBER OF 1991, HOWEVER, THE CONTAMINANT LEVELS FELL DRAMATICALLY AS A RESULT OF PASSIVE BIOREMEDTATION. IN TIIE MAJORITY OF CASES, THE LEVELS OF BENZENE, TOLUENE, ETHYLBENEZENE, AND XYLENE FELL BY THOUSANDS OF PARTS PER BILLION AND, IN SOME CASES, THE CONTAMINANTS WERE REDUCED BELOW DETECTABLE LEVELS. IN NOVEMBER OF 1992, TIIE PROBLEM WELLS WERE TESTED AGAIN. AS -Page 8 - BEFORE, TI-IE GENERAL TREND WAS DOWNWARD, WITH THE AVERAGE CONTAMINANT LEVELS F ALLfNG SIGNIFICANTLY. nus GROUNDWA1ER INCIDENT rs AN EXCELLENT CANDIDATE FOR A CONTINUATION OF PASSIVE BIOREMEDIATION. WE HAVE BEEN ADVISED BY OUR ENVIRONMENTAL CONSULTANT THAT TIIERE ARE NO SENSITIVE RECEPTORS IN THE AREA. IN ADDIDON, TIIB RESULTS OF THE GROUNDWATER SURVEY SHOW THAT TifE CONTAMINANT PLUME HAS NOT EXTENDED BEYOND ITS EARLIER CONFINES, AND THERE IS NO OTHER EVIDENCE OF CONTAMINANT l\1IGRATION. WHILE IT IS DIFFICULT TO BELIEVE THAT ANY ACTIVE SYSTEM WOULD HA VE ACHIEVED A BEITER RESULT IN TERMS OF REDUCING CONTAMINANT LEVELS, AN ACTIVE SYSTEM IS REQUIRED UNDER CURRENT REGULATIONS. AS A RESULT, OUR ENVIRONMENTAL CONSULTANT DID NOT EVEN CONSIDER THE ALTERNATIVE OF PASSIVE BIOREMEDIATION, AND RECOMMENDED CORRECTIVE ACTION IN 1HE -Page 9 - FORM OF A PUMP-A.ND.TREAT SYSTEM. THE ESTIMATED COST OF TIIB SYSTEM IS IN EXCESS OF $129,000 OVER FIVE YEARS, WITII THE MAJORITY OF TIIE MONEY TO BE EXPENDED IN START-UP COSTS. THE PUMP-AND-TREAT SYSTEM WAS RECOMMENDED NOTWITHSTANDING THE FACT THAT THE SITE IS COMPRISED OF A TIGHT CLAY, WHICH SEVERELY INHIBITS THE AREA OF INFLUENCE OF 1HE PUMPING UNIT. OTHER ALTERNATIVES CONSIDERED. SUCH AS AIR SPARGING AND VAPOR RECOVERY, WOULD FACE THE SAME PROBLEM. BECAUSE OF THE RIGIDITY OF THE CURRENT REGULATIONS. HOWEVER, I AM COMPELLED TO PROCEED WITH AN EXTREMELY EXPENSIVE ACTIVE SYSTEM WHICH IS NOT PARTICULARLY WELhSUITED TO TIIE GEOLOGICAL CONDITIONS IN WHICH IT \VILL BE REQUIRED TO OPERA TE. THERE APPEAR TO BE NUMEROUS INSTANCES WIIBIN THE STATE IN WHICH ACTIVE SYSTEMS ARE MANDATED, WITifOUT ADEQUATE CONSIDERATION OF RISK FACTORS AND COST EFFECTIVENESS. A MORE . . -Page 10 - FLEXIBLE, INNOVATIVE AND COST EFFECTIVE APPROACH COULD FREE UP MILLIONS OF DOLLARS THAT COULD BE BETfER SPENT ON PREVENTING GROUNDWATER INCIDENTS. AS YOU KNOW, PETROLEUM MARKETERS 'IHROUGHOUT THE NATION FACE THE ENORMOUS COSTS ASSOCIATED WITH UPGRADING THEIR UNDERGROUND STORAGE TANK SYSTEMS TO COMPLY WITII FEDERAL AND STATE REGULATIONS. A MORE FLEXIBLE, COST- EFFECTIVE APPROACH TO GROUNDWATER TREATMENT WOULD FREE-UP SIGNIFICANT RESOURCES FOR COMPLIANCE WllH 1HE TANK UPGRADE REQUIREMENTS, AS WELL AS THE IMPLEMENTATION OF OIBER SPILL PREVENTION MEASURES. SUCH A NEW APPROACH WOULD ALLEVIATE A NUMBER OF UNNECESSARY ECONOMIC BURDENS ON PETROLEUM \ MARKETERS AND, AT TIIE SAME TIME, ENCOURAGE NEW, MORE EFFECTIVE METHODS OF GROUNDWATER TREATMENT. FOR TIIESE REASONS, I URGE THE COMMISSION TO ADOPT THE -Page 11 - RULE AS PROPOSED. THE PROPOSED RULE IS CONSISTENT IN ALL - RESPECTS WITH EPA1 S DIRECTIVE ON STREAMLINING CORRECTIVE ACTIONS FOR UNDERGROUND STORAGE TANK RELEASES, DATED NOVEMBER 23, 1992. THE EPA DIRECTIVE CORRECTLY RECOMMENDS THAT THE STATES ACCELERATE EFFORTS TO STREAMLINE TIIEIR APPROACHES TO CLEAN.UPS, WITH PARTICULAR EMPHASIS ON THE ECONOMIC IMPACTS ON SMALL BUSINESSES LOCATED IN SMALL COMMUNITIES. TIIE PETROLEUM MARKETING COMMUNITY AGREES WITH EPA THAT ''EVERY REASONABLE EFFORT' SHOULD BE MADE TO REDUCE COMPLIANCE COSTS AND MINIMIZE UNNECESSARY ECONOMIC HARDSHIPS. THE NEW RULE IS A STEP IN THE RIGHT DIRECTION. Mr. David Hance March 31, 1993 Page 2 do so in the strongest possible terms. our clients urge DEM to strike proposed Rule .0102(19)(b) in its entirety. This part purports to impose corrective action requirements on "a subsequent purchaser of property which is the source of groundwater standards violations and who purchased the property with knowledge of the contamination." Although at first blush this may seem a reasonable basis for affixing responsibility, in practice such a rule would be unfair, counterproductive and would serve as a disincentive to voluntary cleanups. One client's specific situation is an excellent illustration of the problem. This client owns a former industrial facility, which currently is out of use. The company is attempting to sell the property, and in the course of the sales effort discovered groundwater contamination. This contamination was wholly caused by a former owner and was unknown to our client at the time of purchase in the early 1970's. Thus, this client would not be required to take 2L corrective action under existing or proposed rules. The requisite DEM Regional Office agreed with that conclusion, and intends to send a Notice of Violation to the former owner (and not to our client). Whether the former owner will comply with a DEM cleanup directive is unknown. Very often, such parties cannot or will not do so. Virtually the only asset our client has is the property itself. Assuming that our client was willing to proceed with a voluntary cleanup of the property, it could not do so absent a sale of the property. Assuming the former owner fails to accept responsibility for the cleanup, our client might consider a sale of the property with some of the sale proceeds being dedicated to cleanup. Such "sale with remediation" agreements are currently in wide use. But the proposed definition found at Rule .0102(19) (b) would make such transactions impossible, and wipe out a viable basis for funding voluntary cleanups. New property owners would immediately become responsible parties under the 2L regs, virtually always an unacceptable business risk because of the inability to accurately forecast the costs of remediation. The irony of the situation is that our client and similarly situated contaminated property owners would not themselves be 2L responsible parties -but the new buyer, a complete stranger to the original transaction with the "true" responsible party, would be fully liable. Mr. David Hance i March 31, 1993 Page 4 (2) The Proposed Rule Is unconstitutional Regardless of a seller's status as a 2L responsible party, attempts to impose strict liability on purchasers of property, based solely on their status as purchasers with knowledge, cannot be established by rule. Imposition of this CERCLA-like liability cannot be accomplished by administrative procedures; constitutionally, only the legislative and judicial branches can make such laws. An effort to impose corrective action liability on a subsequent purchaser via a 2L regulation would not pass muster if it were challenged. We would note that, while we are not challenging Part (c) of this rule and indeed support it, in all likelihood it too would fail in a judicial challenge. (3) The Proposed Rule Encourages Waste of Existing Resources Our client's situation noted herein is far from uncommon. A great number of plant facilities will lay fallow if the new rule creates an inability to transfer properties with rehabilitation in mind. Companies seeking to expand must instead construct new facilities, which construction of course poses environmental costs. Fundamentally, any rule which in its operation restricts property transfer forces our society to overlook, and thereby waste, valuable existing assets. (4) The Proposed Rule Will Discourage "Sale and Remediation" Agr(;!ements Rule .0102(19) (b) discourages voluntary cleanups. Many current owners of contaminated property are not responsible parties under existing 2L regulations, and would not be under the proposed version. Many of these owners would gladly undertake a voluntary cleanup if to do so would facilitate a sale. We have represented clients in this situation who have successfully done so. Obviously such sales always include an agreement to clean up the property; 2L liability aside, no one will buy contaminated property absent a binding and effective cleanup commitment. However, no such promise will be sufficient if the buyer automatically becomes a responsible party upon closing. Imposing such strict liability allows the state to bypass the cleanup Mr. David Hance 1 March 31, 1993 Page 3 Accordingly, if Rule .0102(19) is adopted, our client's property will lie fallow more or less indefinitely, and will in all likelihood languish on one or more state or federal contaminated site lists. Our client, and DEM, will be locked into a no-win situation, whereby the property will not be cleaned up for many years, if ever. In our experience, the scenario described above is quite common. Losing the "sale and remediation" option will diminish voluntary cleanups and tie up industrial properties forever. These are not environmentally or socially beneficial outcomes. Rule .0102(19)(b) will not accomplish its apparent intended purpose, and should be stricken for the following reasons: (1) The Prop osed Rule is Unfair and Will be Ineffective Rule .0102(19) (b) probably was intended to forestall attempts to avoid cleanup liability via contaminated property transfers. In reality, the rule will not affect liability- avoidant behavior one way or the other. It will, however, create substantial unfairness. To attempt to affix 2L responsibility on a party who is a complete stranger to any "actions causing or contributing to the violation of groundwater quality standards" (language taken from Part (a) of the same definition) is inconsistent with state law. It is an odd result to hold a purchaser of contaminated property liable when that new owner has had nothing to do with the contamination, and finds no support in North Carolina statutory or case law. True responsible parties cannot escape 2L liability simply by selling their property. Under the 2L rules, once an entity is a responsible party, it is always subject to corrective action. Thus, there is no deterrent effect accomplished by this proposed rule. It is merely an attempt to improperly punish the new owners, or to widen the liability "net" without justification. In many cases, sellers (such as our client mentioned herein) are not themselves 2L responsible parties. In such cases, sales of contaminated property cannot be seen as attempts to shift 2L responsibilities, since the seller has no 2L responsibility to hide from. If a seller is a 2L responsible party, as noted above, a sale of the property would not absolve that seller's 2L liability. In fact, DEM should encourage such sales, as it would provide a source of money (the sale proceeds) which might be used for cleanups. STATEMENT TO THE ENVIRONMENTAL MANAGEMENT COMMISSION GROUNDWATER COMMITTEE CONSIDERING AMENDMENTS TO 15A NCAC 2L: GROUNDWATER CLASSIFICATION AND STANDARDS My name is Steve Hooper. I'm speaking on behalf of Glen Raven Mills, Inc., a family-owned textile company headquartered in Glen Raven, N. C. Glen Raven Mills currently has twelve registered underground storage tanks and has removed or closed seven additional tanks. I would like to elaborate on the circumstances surrounding the removal of a pair of five hundred gallon storage tanks. In 1983, Glen Raven Mills acquired a small piece of property in downtown Burlington that was serving at the time of purchase as a parking lot. At a time prior to 1970, the property had been used as a base of operations for an ambulance service which utilized two five hundred gallon gasoline tanks to service its small fleet of ambulances. In 1988, Glen Raven became aware of the existence of these abandoned tanks -having now been abandoned for approximately twenty years -and promptly made plans to have them removed. As you might surmise, shortly after the removal of the tanks, contamination in both the soil and groundwater was found to exist. Further testing at the site including monitoring wells revealed low concentrations of benzene, ethylbenzene, toluene, and xylene, but above North Carolina groundwater standards in at least one test well. The plume was determined to be approximately 2,500 square feet and has shown no signs of moving. An environmental assessment showed no wells existed anywhere nearby as the site is nearly dead center of downtown Burlington. It would be fairly obvious to most reasonable people that no risk to human health existed from the contamination found at this site. At this site over the past five years, untold man hours have been spent in pursuing compliance with current regulations regarding groundwater contamination. The State of North Carolina has expended over $75,000 on this site out of the UST Trust Fund. Division of Environmental Management personnel in both Winston-Salem and Raleigh have had their resources and energies diverted from truly needy sites while administering this site over the last five years. What is the outcome of this effort? Remediation to groundwater standards at best is still a distant reality. I doubt that anyone truly believes that the above example represents a wise investment of the State's limited resources. If the above were an isolated case, then amendment of the current regulations might not be necessary. However, I suspect that Glen Raven's experiences with a contaminated site are quite routine. Glen Raven does not stand to gain by amending 15A NCAC 2L. However, it is our hope that by amending the regulations so as to allow greater flexibility in compliance efforts, North Carolina might better utilize its limited resources to improve the environment to the benefit of all our citizens -present and future. ----r. " • -' ' '~~:-' ( I. ·;,-, ' . ' ,::. April .1.s; ~i99~. ;\ / · ·\· . --~:." ·t ' ;.~.i-·· : ~ · ~·:r •."' .. ):l· · ;· .,.-r -~;. <_ t · ·," . :··· · ~-.f. ;:,~-, -r ,ff ::~f. , .;· -·~Eiivi~onme~ta'i·-'Management Commi'ssi.6n ~ :· .. " 'f.,>c/q''MrJ David•,"i:Iance".·' :'_-~· .. ,'',,·:,~"'"'C ·, '" -~ · :t., : NC ·p_epartmerit -~f. ~nv:ironment ;I: 1 > · •'-'~· .,,,.· ... · · . Heal th and .. Natural Resources · ... ,. '.Division\of ·,Eriv,ironmerital ·Management ' . '. Groundwater ~-:Section .. . ·.. . . ·P. ,o.· .Box 29535. . · 'Raleigh, 'NC · _27'526-0535. : \:.· . '-~ ;~~~· _.i-~~~,:~:~ .:,-~~ '!,-~_:,: ·.-~:.f. ·-·, ' Dear Commissioners::• . · .. •' ·a:. \. .·'•,ti. "'.: _;• ·•·: (·;-;- Ple.ase · regard·· this letter as' commentary on a portion of the-pro- posed 15A_NCAC 2L Amendments, and to specifically request that the commission consider revising language currently under consider- ation:·,based 11po_n·· these .comments .. · · · This le~ters ·,spiqificallf-addresses 15A NCA~ 2~ .. 0103 Paragr~ph ( e) , . which :-.does · not fairly represent . the .1.nterests of licensed geologists, professional engineers, .or those . of .• the regulated conununity. Also, the .·subject paragraph appears to> conflict' with C.hapter· . 89E ···(Geologists Licensing· "',Act) .,of· .. the North. ·carolina General ,st:ittµtes .' ·,. \ -" · · · · . ·· P . !" , , ,-~•• •:.-"''"I ~t-.-~,.· -.,. -~ I' ,.. . ••; >: Par:a:9faph ;· ( ~) ·. ~pecif ies the roles · of · licensE:4 geologists and pro~ fes~.ional behgineers .. (and e~cludes ·others) . in the performance of work assoc:::iated with '.complying with ··the amende_d~· standards. . As proposed., -Jliceris~a'd' geologists, firms}. etc.r•·may' -of-fer subsurface ge9lo9ical,,,i~ve~tigat?,ve ·_ service!·s;' · ~o~ever,. they inaY .. no~ prov:ide remed1.a1· deeagll· .. services, nor :work involving . "specia.lized con~J str\i'cticin t~fohriiquesll. Licensed engineers, firms·, etc. wou.ld be ·a!lo!Ned,, . to . ·pr~vide subsurfc,tc~ geo~ogical . ~ervices. , i,ncl~ding "interpretation. of: subsurface geologic conditions"·. (in apparent confli_ct_-with GS 89E), to provide remedial design services,· and.to engage in , "s.pecialized construction · techniques" · (undefined in .0102).' ., .. · . . . . -.... • " -< There is nc:> 'doubt that significant overlappage of geological and engineering duties exists in many cases where groundwater must be restored, and .in such instances, involvements by .· both professions are critical·· t_o ·successful projects. The respective roles of each ' J?rof~ssi~n, however, are .·more complex t,han the ~ubject ·paragr~ph implies, -and .. a more detailed treatment .is essential."· Also, while -~. it , is . clear 'tha:t the . intent . of , this paragraph· is 'partially .. :to protect .the resp_onsible party, the current draft will i_n·' fact harm many· of . those· undertaking· clean-up•· -activities. The following discussion a11d_suggestions -are presentedfqr_you.r consideration. · -~· .... • . ,.._;,fl~.~· . "' .,. t; . . , . '• '.,~:. -, -~..!' ' ' •. --.... i' . _::.. -_-/·~,; Mailing Address: P.O. Box 10136, Wilmington, N.C. 28405 Shipping Address: 7225 Wrightsville Avenue, Wilmington, N.C. 28403 Telephone: (919) 256-8894 Mr;. D~via.' Ha~ce April :15, .. 1;9~3. Page 'l;'hree · . ·· ,. '.\ '• ·-.'i __ , .• ~ -,. ·..: -. !1 _, SPECXALXZED CON~TRUCTXON TECHNXQUES • .-·:: ... ✓, ..:· .,•: . • .•.. . . • ' • . . ' . This ·phrase, as inserted in Para<1'raph (e), implies_ that an:y -con-. struction whatsoever,. · being specialized in terms of relating. to remediation, must be performed by engineering persons, firms or corporations. To include . this in the rule would have severe industry-wide ramification. . It would riot allow normal construc- .tion firins, · pump and tank installation contractors, geological corporations,· other qualified entities, or responsible parties to participate in remedial constructions •. This limitation to engi- neers is unfair and, will cause unnecessary additional cost to responsible parties and to the state Trust Fund. It is also in conflict with the intent of the Federal. regulations for. under- c,round . storage tanks . (40CFR · Parts 280 and 281), which were not intended to prevent the owner/operator from directly participating in clean-up activities. Moreover, al though it is convenient to consider. the amendments in terms of. situations involving under- .ground storage tanks·covered under the Trust· Fund; there.are, and .will· be.: many non-compliant sites requiring restoration which are not ·covered. One lmportant example is· above ground tank sites ·whic;::h will soon be subject to similar Federal mandate. In many·of t:tJ.ese ~9-~~~$, thE; · re_spon~ible. party will ei th.er . desire to or . by financial necessity will-ne,~d to perform "~pecialized construction techniqu:esfl on ·thei1; own· ·behalf. This phrase should be deleted in its ·.,entirety, or the· · utilization· ·of -specialized construction techniques· should be broadened to · include• allowing all those who are qu_ali_fied/insured to ·perfo~~ such work. · In your consideration of these comments; please remember that the final form should equally, fairly, and lawfully. protect · the int_erests _ of all who ·are directly or indirectly impacted.·. Also, the -'overall-goal of . insuring _the protection of human health. and the environment should be·considered in context with the economic impact of· -these rules to the regulated community .. A fair treat- ment of ·the affected parties will insure the successful implemen- tation·of the amended code. Sincerely, /?.~M- R. Pau1·c1ark, P. G. President cc: ,·. Mr. Craig Morehead; NCPMA Mr. Dpug Howey, NCPMA RPC/edr/b:HANCELTR.DOC 11!:I Cape Industries Highway 421 North • P.O. Box 327 Wilmington, North Carolina 28402-0327 Telephone: (919) 341-5500 Mr. David Hence Division of Environmental Management Groundwater Section P.O. Box 29535 Raleigh, North Carolina 27626-0535 Dear Mr. Hence: 1~@iiwm:, APR 231993 ~ GROUNDWATER SECTION RALEIGH, NC April 21, 1993 rw193113 cape Industries appreciates the opportunity to comment on the proposed amendments to the North Carolina groundwater regulations, 15A NCAC 2L. Cape believes that, overall, the proposals are a vast improvement to the existing rules, and supports the adoption of these amendments for t~e following reasons. The proposals are based on sound scientific principles and research such as the U.S. EPA's Integrated Risk Information System, and data from the U.S. EPA's Office of Drinking Water, Health Advisories publication. The proposals also allow the Director to take into consideration the rapid advances being made in the field of in-situ bioremediation and other cutting-edge technologies. In certain situations the use of new technologies may prove to be more effective, more economical, less environmentally intrusive, and ultimately more environmental beneficial than the customary "pump and treat" or "excavation" alternatives. Cape Industries would like to comment on several portions of the proposal in particular. In addition, we are including several comments regarding modifications we believe are worth consideration by the Division • . 0106 Corrective Action Cape strongly supports the amendment that economical and technological feasibility be considered when evaluating whether the goal of corrective action (which is the restoration of groundwater to the level of the groundwater quality standards) can be attained {15A NCAC 2L .0106 (a)}. I DEM April 21, 1993 p. 3 of 4. Therefore, Cape Industries fully supports the proposal that any person subject to the requirements of .0106(c) (1) {ie., corrective action} be required to submit notification of such requirements to the appropriate Health Director and chief administrative officer with local jurisdiction. This information should include, but is not limited to, the extent of any contaminant plume, documentation of the actions taken to date, and plans for future activities {15A NCAC 2L .0110 (a)} . . 0202 Groundwater Quality Standards Cape Industries recommends the Groundwater Quality Standards for Class GA, Class GSA, and Class GC groundwaters be adopted as proposed {15A NCAC 2L .0110 (a)} . . 0202 Groundwater Quality standards Sections .0202 (b} (1) & (2) specify the mechanism for determining whether an exception to the Groundwater Quality Standards for specific contaminants is appropriate. However, section .0202 (b) (3) states, "where naturally occurring substances exceed the established standard, the standard will be the naturally occurring concentration as determined by the Director". Cape is concerned with the fact that the criteria or mechanism the Director will use to make this determination is not specified. Unless the mechanism by which this exemption determination will be made is clear, Cape feels the Division will experience an overwhelming request for areas for consideration for exemption. When no guidelines or ground rules exist, reviews of exemption petitions will drain resources from the Division's staff and preparing these arguments will be a cost to the industrial sector. The utilization of these resources on more pressing environmental issues would prove more beneficial to all involved. Cape believes this is a critical point which if promulgated in its current form, is open to broad, subjective interpretation. Therefore, Cape proposes that the mechanism and instruments for measurement of the "exemption criteria" be established by the Division and following a comment period, included as part of the final rulemaking. DEM April 21, 1993 p. 4 of 4. Cape appreciates this opportunity to comment on these proposed regulations and to be a part of the rulemaking process. Should you have any questions or would like additional information, please feel free to contact me directly at 919-341- 5577. cc: Mr. E. B. Hackman -Cape Dr. B. L. Kindberg -Cape Mr. R. J. Mack -Cape Very truly yours, (k,1t_ 1t tr)~ Ronald N. Walton Environmental Section Leader Amoco Oil Company One Prudential Plaza 130 East Randolph Drive Post Office Box 7513 Chicago, Illinois 60680-7513 April 19, 1993 Mr. David Hance Division of Environmental Groundwater Section Management P.O. Box 29535 GROUNDW1,TER Sf.GTiOil Raleigh, North Carolina Rt,LEIGH, NC Amoco Oil Company comments on proposed amendments to North Carolina Administrative Code, Title 15A, Subchapter 2L, Sections • 0100 and • 0200, entitled, "Classifications and Water Quality Standards Applicable to the Groundwaters of North Carolina" 27626-0535 RE: Dear Mr. Hance: Amoco supports and is in favor of the proposed amendments to 15A NCAC 2L (February 10, 1993) • In particular, we encourage the proposed changes to Rule .0106 Corrective Action. The distinction between site assessments and corrective action plans in sections .0106(e) and .0106(f) is much clearer than in the 9/30/92 draft of proposed changes. The addition of sections . 0106 (h) through • 0106 (1), which provide the opportunity for alternate cleanup levels and recognize the natural remediation processes of degradation and attenuation, will assist Amoco in fulfilling its commitment to effective environmental protection in North Carolina. In addition, we request the following comments be considered. 1. Section .0106(1)(1), referring to a request to allow the termination of corrective action, requires that the request must include, "A demonstration by the party making the request that continuance of corrective action would not result in a significant reduction in the concentration of contaminants. At a minimum this demonstration must include a showing that the asymptotic slope of the contaminants curve of decontamination is less than a ratio of 1:40 over a term of one year based on quarterly sampling." Amoco requests that the 1:40 slope requirement be more fully defined and explained. As stated, one axis of the graph will be designated as time (years). Is the other axis a concentration in micrograms per liter, milligrams per liter, or grams per liter, or is it unit independent? Also, the method(s) of fitting the curve to the four (4) data points (quarterly sampling over one year) should be specified. A .... .. least-squares fit may give a different result than a best- estimate linear fit. 2. Section • 0106 (m), referring to termination of corrective action, states, "Upon a determination by the Director that continued corrective action would result in no significant reduction in contaminant concentrations, and the impacted groundwaters can be made potable by treatment using readily available and economically reasonable technology, the Director may designate the remaining area of degraded groundwater RS." Amoco requests that the Department clarify the fact that some sources of water are unsuitable as potable due to natural processes, and that the goal of remediation is not to create future drinking water sources from waters that are currently, naturally unsuitable. A potentially responsible party should not be required to remediate waters to a higher quality than pre-contamination levels, even if the treatment technology exists to do so. Distinction should be made between remedial corrective action and the general public service of water treatment. Thank you for undertaking a continuous improvement approach towards your environmental regulations. Sincerely, µw. p,t____ Jonathan W. Peterson Remediation Coordinator -Atlanta District Remediation Services Division cc: Jerry Hill, Public & Government Affairs, Amoco Oil Company, Atlanta District, Atlanta Office April 1, 1993 CAMPBELL OIL COMPANY Post Office• Box 637 Elizabethtown, North Carolina 28337 Telephone 862-4107 Environmental Management C.cmnission Raleigh North Carolina Gentlemen: While closing our leased station in Wilmington on June 3, 1987, we discovered a small leak in the heating fuel oil tank. During that previous year, oh;I.y 50 gallons of #2 fuel was put in this tank for heating. There had been no previous problems fran the past. The gasoline tanks were found to be in excellent shai;e as expected since daily inventory checks had shown no problem. At time of rerroval, contaminates were found which required us to setup a pumping station and nonitor the site on a quarterly basis. After running the system for 4 years and shcwing ·significant improvement, the last 3 years have care to a stand still. The last quarterly sampling was done on January 7, 1993 with small arrounts of Benzene, Ethyl Benzene, Toluene and Xylenes found but no presence of #2 fuel oil. As of this test, the total spent for rerrediation on this site has been over $263,938.00. After conversation with the consultants, I am not sure whose problem we are trying to correct and if it will ever be corrected to current standards. We at campbell Oil caupany, along with others in this same tyi;e situation, would like to see these sites closed and regulations changed to deal with such situations. This site is currently leased to Hardees and has city water and sewer within a shopping center. M:>nies S}?eilt on these tyi;e locations could be used to up grade other facilities for all in the business. In certain locations, current regulations may never be net and ours is on that list. Please review current regulations and .allow alternate clean-up standards and natural remediation in situations where there is no threat to human life. Thank you for your time. Sincerely, a£-· Chris Campbell Sales Manager L. P. GAS• LUBRICANTS• DIESEL FUEL• GASOLINE .. • ; l ROBINSON, BRADSHAW & HINSON, P.A. j ATTORNEYS AT LAW ~HRISTOPHER W. LOEB (7041 377-8343 1900 INDEPENDENCE CENTER IO I NORTH TRYON STREET SOUTH CAROLINA OFFICE THE GUARDIAN BUILDING ONE LAW PLACE -SUITE 600 P.O. DRAWER I 2070 ROCK HtLL, S.C. 29731 CHARLOTTE, NORTH CAROLINA 28246 Mr. David Hance TELEPHONE <704> 377-2536 FAX !704) 378-4000 March 12, 1993 Division of Environmental Management Groundwater Section Post Office Box 29535 Raleigh, North Carolina 27626-0535 TELEPHONE <803) 325-2900 Re: Comment on Proposed Amendments to 15A NCAC 2L, Section .0102{19) [February 10, 1993 Draft Hearing Version) Dear Mr. Hance: I am submitting this comment on the above referenced proposed amendment in response to the Division's request for comments. I am an attorney practicing in Robinson, Bradshaw & Hinson's environmental group in Charlotte, North Carolina. My comment is intended to explain why the expanded definition of "responsible party" under section .0102(19) of the proposed amended regulations is not authorized by statute and is not wise from a policy stand point. I have enclosed two versions of the definition of the term "responsible party" from drafts of proposed amendments to the groundwater regulations. The version marked "old" is from the draft circulated last fall. The version marked "new" is from the February 10, 1993 Draft Hearing Version. You can see that the proposed definition has been dramatically increased in scope in the new version. Any party purchasing a site that is the source of groundwater standard violations with knowledge of the contamination would be a responsible party under the new proposed definition. Adjoining property owners could also become responsible parties if they obstruct corrective action. The old proposed definition included only parties in some way responsible for or contributing to the violation. The old proposed definition is generally consistent with the existing groundwater regulations and State statutes. The new proposed definition appears to go well beyond the existing regulations and State statutes in establishing liability for purchasers and adjoining landowners that played no role in .- .-Mr. David Hance Page 2 causing the problem. The change is probably most important with respect to petroleum based contamination. The federal CERCLA statute has long imposed strict liability on owners and operators of land in many situations involving hazardous substance contamination, but CERCLA does not apply in most situations involving petroleum based contamination. If the new version of the definition is adopted (and is enforceable under administrative law principles}, purchase of sites that are the source of petroleum based contamination will become much more risky. I do not believe that the expanded definition is authorized under existing North Carolina statutes. Existing North Carolina statutes do not provide for cleanup liability for subsequent purchasers or adjacent land owners merely because they know of the contamination or obstruct corrective action. Under existing North Carolina statutes, such parties can be held liable only if they (a} controlled the contaminant prior to release(~, G.S. 143-215.84), (b) owned or operated an underground storage tank at the time of release of a contaminant therefrom(~, G.S. 143- 215.94E(a)), or (c) were otherwise actively involved in discharge or deposit of the contaminant(~, 130A-310.7). Under administrative law principles, the Commission cannot expand the range of potentially liable parties beyond the limits set by the applicable statutes. See~ In re Appeal of Medical Center, 82 N.C. App. 414, 417-18; 346 S.E.2d 193, 195-96 (1986) (agency not allowed to extend requirements of building code beyond extent provided in the applicable statute); and State of North Carolina, ex rel. Comrn'r of Insurance v. Integon Life Insurance Co., 28 N.C. App. 7, 11; 220 S.E.2d 409, 412 (1975) ("(a]n administrative agency has no power to promulgate rules and regulations which alter or add to the law it was set up to administer or which have the effect of substantive law"). In addition, I believe that the proposed expansion of the definition is unwise. If the expanded definition is adopted, few if any purchasers will buy property known to be contaminated, and no bank will finance such property. This situation already exists with respect to contaminated properties potentially subject to CERCLA, but the proposed expansion of the responsible party definition under the groundwater regulations could bring thousands of additional gasoline station, automobile dealership, truck terminal, distribution and other properties into the "untouchable" category. We have had significant success to this point in rehabilitating properties subject to petroleum contamination by arranging for the sale of such properties for new uses, with the proceeds of the sale being used to finance cleanups. The key to such transactions has been the fact that the purchaser could take .... ,@,mnpsnn-1Jlloo.en ®il Qrn .. Jnc . _,JGERS H. CLARK, President, CEO H.M. CLARK, JR., Vice President DAVID K. CLARK, Sec.-Treas. INCORPORATING SPIVEY OIL COMPANY, INC. P.O. Box 617 Phone (919) 592-4177 FAX(919)592-0504 DISTRmUTING PLANTS BLADENBORO, N.C. CLINTON, N.C. ELIZABETHTOWN, N.C. CHARLIE E. HONEYCUTr, Mgr., Clinton HUBERT C. KINLAW, Mgr., Elizabethtown MR. DAVID HANCE Qrtmtnn, N.at. 28328 APRIL 21, 1993 DIVISION OF ENVIRONMENTAL MANAGEMENT GROUNDWATER SECTION P. 0. BOX 29535 RALEIGH, NC 27626-0535 ROSEBORO, N.C. RIEGELWOOD, N.C. ... l&JID 1993 ~•<OliNDW,.\Tf.R SECTION RAi.£.JGH, . NC SUBJECT: CONFLICT BETWEEN NCAC-2N AND NCAC-2L IN THE DETERMINATION OF THE OWNER OR RESPONSIBLE PARTY RESPECTIVELY. DEAR MR. HANCE: I SUBMIT THIS LETTER CONCERNING THE ABOVE SUBJECT AND REQUEST THAT CONSIDERATION BE GIVEN TO REDEFINING THE RESPONSIBLE PARTY. THE DEFINITION OF OWNER IN 2N IS AS FOLLOWS: A. IN THE CASE OF AN UST SYSTEM IN USE ON NOVEMBER 8, 1984 OR BROUGHT INTO USE AFTER THAT DATE, ANY PERSON WHO OWNS AN UST SYSTEM USED FOR STORAGE, USE, OR DISPENSING OF REGULATED SUBSTANCES. B. IN THE CASE OF ANY UST IN USE BEFORE NOVEMBER 8, 1984 BUT NO LONGER IN USE .ON THAT DATE. ANY PERSON WHO OWNED SUCH UST IMMEDIATELY BEFORE THE DISCONT!NUATION OF ITS USE. THE RESPONSIBLE PARTY IN THE 21 PROPOSAL HAS BEEN DEFINED AS: A. A PERSON WHO IS WHOLLY OR PARTIALLY RESPONSIBLE FOR ACTIONS CAUSING OR CONTRIBUTING TO THE VIOLATION OF GROUNDWATER QUALITY STANTARDS. B. A SUBSEQUENT PURCHASER OF PROPERTY WHICH IS THE SOURCE OF GROUNDWATER QUALITY STANDARD VIOLATIONS AND WHO HAVE PURCHASED THE PROPERTY WITH THE KNOWLEDGE OF THE CONTAMINATION, OR C. AN ADJOINING PROPERTY OWNER WHO OBSTRUCTS THE IMPLEMENTATION OF CORRECT- IVE ACTION THAT WOULD PREVENT FURTHER CONTAMINATION. THE PERSON RESPONSIBLE (OWNER) IN 2N WOULD .BE THE UST OWNER NOT THE PROPERTY OWNER NECESSARILY IF THE PROPERTY OWNER NEVER OPERATED THE UST. THIS INTERP.RE- TATION REQUIRES THE POLLUTER TO CORRECT THE VIOLATION; WHEREAS, THE DEFINITION OF RESPONSIBLE PARTY .IN 2L (19)l "(B) WOULD REQUIRE ANY SUBSEQUENT PROPERTY OWNER WITH A KNOWLEDGE OF THE EXISTENCE OF THE CONTAMINATION TO REMEDIATE THE SITE. UNOCAL MARY KANYHA, "MAYOR OF PINE KNOLL SHORES April 1, 1993 My topic is in regard to the Environmental Protection Agency mandate for underground gasoline storage tank and the financial responsibilities for clean-up of any leakage. In 2 years, the town of Pine Knoll Shores has spent over $49,000 to solve the minor soil-groundwater contamination. Part of this cost includes the replacement of tanks above ground, which was another mandate. The town of Pine Knoll Shores had 2 gasoline tanks underground (1,000 gal. and 2,000 gal.). In 1991, a leakage was discovered when the tanks were replaced in order to comply with the EPA mandate. An Engineer firm was hired by Pine Knoll Shores to supervise and monitor the clean-up of the minor contamination. To comply with the EPA mandate, method #602 for BTEX was used. Repeated sampling of 5 wells showed no contaminations. The detection limit for the leakage was below DEM standards. Based on the sampling and analytical results, the engineer firm considered the groundwater contamination minor and had dissipateJ. Therefore, they recommended final closure of the project. In June, 1992, DEM demanded that one additional monitoring well be installed North of the existing above ground storage tank building. The 6th monitoring well as requested by the DEM was installed. The analysis indicated there is some groundwater contamination. Hence, Pine Knoll Shores will have to continue to spend thousands of dollars installing monitoring wells. -2- DEM specialists do not have any conceivable knowledge when this small contamination will disappear. A small town the size of 1,460 residents can not continue to spend money to comply to DEM regulations for this type of remediation. If a town has in good faith pursued the mandates, and if the drinking water supply is not affected, the town should be relieved of spending any more money on this type of endless project. HUFFMAN OIL COMPANY, INC. Phone (919) 227-8881 / P. 0. Box ~O • Burlington, N. C. ffl 6 _ 0730 :Harch 22, 1993 Mr. David Hance DEM-Grotmdwa.ter Section P.O. Box 29535 Raleigh, N.C. 27626-0535 Reference: .Amendments to 15A NCAC 2L Gr01.m.dwa.ter Classifications and Standards Dear 1:1r. Hance: . _ ........ Per reference, this note is to infonn you that we are generally in agreerren.t with the proposed amendments. We concur wholeheartedly with. the logic that limited cleanup mmies would be rrore efficiently and prudently utilized in cleanups which effect or potentially effect drinking water supplies. Alternative cleanup levelf, requirerren.ts for the use of best available technologies and provisions that would allow for natural degradation when evidence has been established that drinking water is not endangered are practical, nnre flexible and certainly nore cost effective approaches to environmental problems. Thank you for your considerations and look forward to meeting you in Raleigh on April -7. ~·r'O ~·~ Edward T. Per~ Vice-President ETP/dec . _.1/ . (J~ CROSSROAOS FU~, INC. 335':.G S. CENTERVILLE TURNPIKE I CHESAPEAKE, VIRGINIA 23322 PHONE: 482-2179 Dear Mr. Hance: We will be unable to attend the public hearings on the ground water rules revisions, we would like for these comment~ to be a part of the record. We have operated in North Carolina since 1971 and presently have operations in Eliabeth City, Hertford, Columbia and Sunbury in North Carolina. We think your department should know what the overall financial impact of the very strict rules that now exist in North Carolina, not only on distributors, but also on all the citizens in North Carolina. About 5 years ago there were 3 bulk plants in Columbia N.C. serving Tyrrell c;1.nd Washington Counties. Because of the strict pollution rules there is now only one. . The liability that exists under the present rules are simply to much for most oil distributors to bear. Because of the lack of bulk storage facilities there is now no competition in Tyrrell and Washington counties and everyone who uses petroleum products from gasoline to heating and lubricating oils are being penalized. We at Crossroads Fuel have dismantled our plant in Columbia, three plants in Elizabeth City and will dismantle our last plant in Elizabeth City this spring. We have spent about half a million dollars in the past two years in clean-uup and up-grading our storage plants and service stations. We also distribute in the Tidewater and Suffolk areas of Virginia and the regulations there are not nearly as burdensome as in North Carolina. North Carolina allows 10ppm of total hydrocarbons and Virginia allows 1 OOppm. While most of the rural areas of North Carolina have access to a public water supply, almost none of rural Virginia has access to a public water supply. While we strongly support a safe and clean enviornment, and have up-graded our plant in Hertford to assure that there will be no pollution from that location, the costs far out weigh the benefits where a public water supply is available. All of our employees have been trained in the safe handling of petroleum products and all of our delivery equipment is maintained to the highest standards. It is our understanding that new rules are being proposed that will save millions of dollars and yet do no harm to the ground water or the enviornment. Because of the devastation the present rules have caused to distributors and because the proposed rules changes will not do harm to the enviornment, J _r: .• -2- we whole heartedly support the adoption of the rule that allows natural recovery of contaminated soils and water where there is no danger of contaminating drinking water. Many many smaller oil distributors have been forced out of business because of the liabilities of contamination and eve·ry time one is forced out, it eliminates some competition and hurts every petroleum user in the area. We believe very strongly that cost to benefit ratios must be considered, before there are no small distributors left. The major oil companies that can afford the high risks as they now stand, do not serve the .smaller markets that exist in the rural areas of North Carolina. Counties that we serve such as Tyrrell, Washingtoi:i , Hyde, Camden and other areas of low populations do not interest the major oil companies and they are dependant on the small jobbers that are fast disappearing because of the high risks. We believe it is in the best interests of the state and its business' that more reasonable rules be adopted and sincerely hope that we can again put the danger of fire ahead of the danger of a drop of oil hiting the ground. Keffer. statement Regarding Proposed Rule Changes to the Groundwater Regulations I am a tankowner. I am also the father of an eleven year old son and an eight year old daughter, which makes me a concerned parent about the environment that my children will inherit. My overall impression of the changes proposed is that they are a positive step toward reasonable cost/benefit review of site cleanups. My concern is that, while it is on paper a positive step, in reality it leaves too much to interpretation. Because of emotional, public pressure the NCDEM Director and the regional offices may not make any improvement at all in the cleanup review process. I am involved in a cleanup. I discovered, in August of 1990, a significant release. The remediation has been pursued aggressively from the day I discovered the release and as of 12/31/92, over $500,000 has been spent to remediate the site. At this time, our quarterly reports reflect continued yet diminishing progress in reducing groundwater contamination levels via pump and treat technology. We are a long way from drinking water standards and the likelihood of reaching the 1 ppb level for benzene, etc. at this site is remote (see attached Table 1 for sample results). The potential for reaching site closure under the proposed rule changes is going to be difficult because the Trust Fund will not reimburse me for the expense of a site sensitivity evaluation, therefore I have no motivation to spend the money. Also, NCDEM staff have expressed to me a belief that "maximum achievable cleanup levels" as described in the proposed rule changes are subject to incredibly difficult interpretation given the pressure from the environmental community. They have also said that a site may reach a flat asymptotic curve under the pump and treat method, but once a system is turned off the contamination levels will rise. Then they may reopen a site. Over the nearly three year life of this project, I have had to absorb the $50,000 Trust Fund deductable and have carried a receivable averaging $75,000 for expenditures made but not yet reimbursed by the Trust Fund. While the majority of the $500,000 has been reimbursed by the State UST Trust Fund, this carrying cost continues. The site referred to above is in the middle of Henderson, N. C. where city water and sewer is available and the soil is a heavy red clay. The threat to human health and drinking water is nonexistant, therefore I ask, "Is this a good use of the Trust Fund's money?" "Will the new rule changes address a site like this?" Whenever anyone spends money, they do a cost/benefit calculation. Some of these calculations are intuitive where we use common sense such as purchases of food, clothing, entertainment, etc. My concern for the future of the Trust Fund is whether or not we will get a system in place that will allow for a prudent cost/benefit decision to be made in site cleanups. • TABLE 1 Concentrations of BTEX, MTBE, EDB in Groundwater (ppb) West End Amoco -Henderson, NC 1991 -1992 Slaaioa/ Date Beneae Toi-FJkylbemeae Xylene MTBE EDB MW1 02/18i91 12,000 70,310 2,830 16,706 45,200 .. 2 07/23/91 4,770 35,300 1,610 9,530 6,630 10/24/91 ND 15,200 1,230 10,500 ND ND 01/24/92 S,940 SS,200 9,703 20,200 13,040 ND 0S(Zl/92 2,820 23,500 1,110 6,560 ND ND 09/11/92 11/18/92 MW2 02/18/91 ND ND ND 12.7 ND 07/23/91 34.1 1.8 28.6 431 9.0 10/24/91 37.8 7.9 27.1 458 37.8 ND 01/24/92 17.0 ND 7.3 156 8.2 ND 05/'ZT/92 24.0 ND 7.0 187 ND ND 09/11/92 19 ND 2 106 9 ND 11/18/92 17 ND 2 98 ND 9 MW3 02/18/91 ND ND ND ND ND 07/23/91 ND ND ND ND ND 10/24/91 ND ND ND ND ND ND 01/24/92 ND ND ND ND ~ ND ND 05/'ZT/92 ND ND ND ND ND ND 09/11/92 ND ND ND ND ND ND 11/18/92 ND ND ND ND ND ND MW4 02/18/91 10,SOO 69,700 ND 53,100 ND 07/23/91 702 15,600 1,230 6,450 ND 10/24/913 16,100 118,000 32,000 133,000 35,000 ND 01/24/92 820 1,310 195 2,200 65.S ND 0S/'ZT/92 146 3,210 404 2,7(,fJ ND ND 09/11/92 254 5,920 1,590 8,700 373 ND 11/18/92 119 1,120 200 1,730 ND so MW5 02/18/91 ND ND ND ND ND 07/23/91 ND ND ND ND ND 10/24/91 ND ND ND ND ND ND 01/24/92 ND ND ND ND ND ND 05/'ZT/92 ND ND ND ND ND ND 09/11/92 ND ND ND ND ND ND 11/18/92 ND ND ND ND ND ND MW-' 02/18/91 6.S ND ND 28 6.S 07/23/91 25 ND ND ND 3.6 10/24/91 ND ND ND 48.7 ND ND 01/24/92 ND ND ND ND ND ND 05/'ZT/92 ND ND ND ND ND ND 09/11/92 ND ND ND ND ND ND 11/18,92 ND ND ND ND ND ND S-1 02/18/91 3,900 47,200 2,070 16,700 2,700 07/23/91 34.2 905 523 1,070 ND 10/24/91 2,710 31,750 S20 10,040 1,550 ND 01/24/92 2,300 19,800 113 6,190 3,400 ND 05/27,92 4,240 38,900 1,Q(ifJ 8,250 4,810 ND 09/11,92 796 6,SS0 303 2,270 2,750 ND 11/18,92 1,700 16,400 S28 6,310 1,320 ND 92-ENV-08469.47-14 Sl:alioa/ Date R-1 02/18/91 07{13/91 10/24/91 01/24/92 05,n192 09/11/92 11/18/92 R-2 09/11/92 11/18/92 lleaeae 199 603 548 7'12 793 632 637 965 1,150 1. ND = Not Detected 2 --= Not Sampled TABLE 1 (Continued) ConcentrationsofBTEX,MTBE,EDB in Groundwater (ppb) West End Amoco -Henderson, NC 1991 -1992 Toi-FJhyl1-.eac X:,leDe 2,850 146 1,710 6,520 948 6,711 1,390 ND 1,640 2,800 1,190 ND 6,780 239 2,000 3,360 101 1,180 3,159 154 1,460 8,910 449 2,820 8,430 403 2,910 3. Analytical results suspect, immiscible layer obsetved in sample vial by lab analyst. MTBE EDB ND ND 240 ND ND ND ND ND 298 ND 356 ND 4,460 ND 6,330 ND 92-ENV-08469.47-14 samo., Due R-1 02/18i91 07{Z3f)l 10/24f)l 01/24/92 0S/27192 09/11192 11/18192 R-2 09/11192 11/18192 1. Beszme 199 603 548 1'12 793 632 637 965 1,150 ND= Not Detected 2 --= Not Sampled TABLE 1 (Continued) Concentrations of BTEX, MTBE, EDB in Groundwater (ppb) West End Amoco -Henderson, NC 1991 -1992 Tolaeae EdlJlbem.cae Xy)ae · 2,850 146 1,710 6,520 948 6,711 1,390 ND 1,640 2,800 1,190 ND 6,780 239 2,000 3,360 101 1,180 3,159 154 1,460 8,910 449 2,820 8,430 403 2,910 3. Analytical results suspect, immiscible layer observed in sample vial by lab analyst MTBE EDD ND ND 240 ND ND ND ND ND 298 ND 356 ND 4,460 ND 6,330 ND 92-ENV-08469.47-14 .. COMMENTS OF DONNELL VAN N0PPEN ID TO THE ENVIRONMENTAL MANAGEMENT COMMISSION ON PROPOSED AMENDMENTS TO GROUNDWATER CLASSIFICATIONS AND STANDARDS 15A NCAC 2L.0100 , et seq, I am Donnell Van Noppen III, an attorney in private practice in Raleigh, NC. My work includes representing people who live or own land next to sites of groundwater contamination, people whose property has been damaged by migrating contaminants. Through no act of their own, their property has lost value, indeed may even be unmarketable. In some cases, their drinking water supply has been destroyed and even their health affected. They face potential liability for the costs of cleaning up their property and for damages incurred by "downstream" landowners. When these innocent landowners seek redress in the courts, they rely on common law principles of nuisance and trespass and on our Oil Pollution and Hazardous Substances Control Act ("OPHSCA"), N.C.Gen.Stat. §143-215.75, ~-See generally. Wilson v. McLeod Oil Co., 327 N.C. 491, 398 S.E.2d 586 (1990). The law of trespass and nuisance allows the court to enter an injunction to stop any unwarranted intrusion onto the landowner's property and to award money damages for injuries caused by such an intrusion, including loss of property value. The 0PHSCA significantly strengthens these remedies in mandatory, unequivocal language: the polluter is strictly liable, without regard to fault, for all damages caused to adjoining landowners, including damage to property, N.C.Gen.Stat. §143-215.93, and must clean up and restore the area affected as nearly as may be to the condition existing prior to the discharge. Id. at §143-215.84. Thus, our common law, made by our courts, and our statutes, written by the General Assembly, carry out our fundamental commitment to protect the rights of property owners. Until now, the EMC has implemented the same principles in its groundwater regulations. The ) Commission's basic policy is expressed in 15A NCAC 2L.0103(b): "the Commission will not approve any disposal system . . . which would result in . . . a violation of a water quality standard beyond the boundaries of the property on which the source of pollution is located . • .._." (emphasis added). Moreover, a "compliance boundary" for already permitted facilities at which groundwater contamination occurs is always established at the property boundary, or in most cases, even closer to the actual pollution source. 15 NCAC 2L.0107(a) and (b). Existing regulations also protect the rights of adjoining landowners by requiring active cleanup of contaminated sites unless this is economically or technologically infeasible. 15A NCAC 2L.0106(a). The Commission is now faced with a proposal which would drastically undermine these policies and the rights of thousands of landowners who adjoin sites of groundwater contamination across our State by allowing contaminant migration across property boundaries and natural remediation in zones underlying their properties. 1 • The proposed regulations present an ironic and confusing approach to the property rights of adjoining landowners. Respecting those rights, the new regulations would require notice to adjoining landowners when a person requests from the Director an alternate cleanup level, approval of a natural remediation program or permission to terminate active groundwater remediation. (Proposed Section .0114(b)). This notice must be given to all property owners and occupants within or contiguous to the area underlain by the pollution plume or under which 1More specifically, the proposed alternate cleanup level concept contemplates migration of contaminants to a point one year in travel time upgradient of the nearest receptor while the notion of natural remediations also includes dilution through plume migration .• 0106(L) (1) and (k). In neither case do the proposed regulations limit the migration to the responsible party's property. 2 the plume is expected to migrate. (Id.) Thus, the right of the adjoining property owner to know that someone near him is requesting State approval not to remediate contaminated groundwater under his property, or soon to be under his property, is recognized. The person requesting such a decision from the Director must also show that he has obtained "all necessary access agreements needed to monitor groundwater quality .... " (Proposed Section .0106(k:)(7)). This provision implicitly recognizes that a landowner may ordinarily refuse permission to another private party to enter the landowner's land and drill monitoring wells, or even to cross the landowner's land to get to monitoring wells. Despite these recognitions of the fundamental property rights of adjoining landowners, the proposed regulations would permit and give State approval to the migration of contaminated groundwater onto the landowner's property. The person responsible for the contamination is not required to obtain the consent of the adjoining landowner, to demonstrate financial responsibility for further cleanup that may be ordered or for damages suffered by the landowner, nor to assume liabilities which may ultimately be imposed upon the innocent landowner. Short of eminent domain or the execution of a search warrant, I can think of no action by the State which so directly tramples upon the property rights of an innocent landowner. Indeed, the applicant, the person responsible for the contamination, need not even directly address the impact of a proposed action on the adjoining landowner, and particularly upon the value of the adjoining property. The information to be submitted in connection with a corrective action plan (Proposed Section .0106(e), (g)), a request for an alternate cleanup level (Id. at (i), (j)), a request for natural degradation (Id. at (k)), or a request to allow termination of corrective action (lg._ at (1)), need not contain an assessment of the diminution in value of the adjoining property or any other damage to or potential liability of the adjoining property owner. 3 The experience of property owners adjoining contaminated sites is uniform: their land is greatly diminished in value, and perhaps rendered unmarketable. Lenders will refuse to finance purchase of the property by an otherwise willing buyer, buyers are deterred by the potential cleanup costs and potential liabilities to "downstream II property owners, and transaction costs are tremendously increased due to the need for environmental assessments, reports, consultants, and perhaps litigation. This effect is experienced whether the property is a residence, commercial or industrial property, or raw land. How, consistent with our state and federal Constitutions, our General Statutes, and the basic policy underlying these regulations, could the State of North Carolina give its approval to such a potentially devastating impact? In addition to causing direct and possibly devastating impact upon adjoining property owners' value, the new regulations would hobble those owners' attempts to claim damages from the responsible parties. In litigation, the responsible parties will rely on the regulations either as preempting any claim for damages due to the State's approval of the migration of the contamination, see, e.g., Biddix v. Henredon Furniture Industries, 76 N.C.App. 30,331 S.E.2d 717 (1985), or at least as evidence that the responsible party's conduct in failing to clean up the contamination was not negligent. The responsible parties will also rely on the regulations to argue that the impact on the innocent landowner's property was not a II substantial II invasion of property rights. These arguments, to the extent they succeeded, would completely bar or greatly reduce the landowner's recovery of compensatory damages. Other impacts on the innocent landowner's right to recover damages would arise in the area of statutes of limitations. The State's approval of the migration might lull property owners into inaction, with the result that statutes of limitations on suits for damages would expire, barring such claims. In addition, the State's new process for considering allowing the migration 4 would arguably begin a statute of limitations running earlier than it otherwise would, because the landowner might be notified of potential contamination before the migration actually arrived on the landowner's property. This again could result in the barring of meritorious claims for damages. The proposed regulations would impose other, substantial burdens upon innocent landowners not related to litigation over damages. Once the landowner learns of a responsible party's request for State approval of migration of contaminants onto the landowner's property, the landowner will likely want to contest that application. In order to do so, the landowner will need consultants to review and dispute the conclusions of the engineers who have prepared the application materials for the responsible party. No provision is made to permit the adjoining landowner access to the contaminated site for testing or sampling, to require the responsible party to provide the adjoining landowner with all pertinent data (rather than only that data submitted to the State), nor to make the responsible party bear the potentially enormous costs of such an investigation by the innocent landowner. With what justification does the State propose to shift onto an innocent landowner the enormous financial burden of fighting a battle over the nature, extent and severity of a migrating contamination plume simply to protect his own property from State-authorized invasion? Once a decision has been made permitting migration, the landowner then must shoulder the tremendous additional expense of pursuing an administrative and judicial appeal, again with no provision for shifting this cost to the applicant. It is obvious that a responsible party cannot go into a North Carolina courtroom and obtain a court order permitting the migration of groundwater contamination from that responsible party's land onto the land of an innocent landowner. There is absolutely no basis under our law for allowing such an invasion. The proposed regulations stand that principle on its head, 5 granting practically no respect to the sanctity of property rights and not acknowledging the devastating consequences which even relatively low levels of groundwater contaminants can have on property use and value. The proposals are likely unconstitutional and would place the State in the position of taking the adjoining landowner's property without compensation, potentially subjecting the State and its officials to money damages. The proposals also directly contradict the explicit language and underlying purpose of the OPHSCA as well as the common law of trespass and nuisance. There is no reason to open this Pandora's box and to permit this assault on the rights of innocent landowners. These general principles lead to the following itemized comments regarding specific proposed changes, which are not meant to be exhaustive. • Rule .0102<18}: Definition of "Receptor" The "receptor" concept ignores the fact that contamination is an injury to adjoining property from the fact of contamination, regardless of whether the contamination reaches the surface water or is directly used by humans. If the definition is taken literally, all adjoining property "is or may be affected by a contaminant" and thus "receptor" means nothing more than the property boundaries of every contaminated site. • Rule .0102{19}(c): Definition of Adjoining Property Owner as "Responsible Party. II As set out above, an adjoining property owner has the right to refuse entrance to a responsible party for monitoring purposes and to refuse to permit contamination of his property. Make the responsible party obtain the consent of the adjoining property owner, for which he presumably will have to pay, rather than making the innocent adjoining property owner a "responsible party" with all of the onerous ramifications of that classification. 6 • Rule .0103 (b)(2): Policy Re gardin g Off-Site Violations of Groundwater Standards Do not retreat from the basic policy of prohibiting violation of groundwater standards beyond the boundaries of the responsible party's property. • Rules .0104 and .0106: RS Classification and Corrective Action As set out above, require the applicant for an alternate cleanup level, a natural remedial process, approval of a corrective action plan or termination of corrective action to evaluate and discuss the impact on adjoining property owners' use and value of their property, obtain the adjoining property owners' consent to any migration onto those owners' lands, and assume any liability later to be imposed upon the adjoining landowners. Short of this, simply prohibit alternate cleanup levels, termination of corrective action or natural processes of degradation in any circumstance in which there would be a violation of a standard or classification at the property boundary. Require the applicant to fund the adjoining property owners' costs incurred in evaluating and responding to the responsible party's application if migration is contemplated, including, but not limited to, expert consultants' fees and attorneys' fees. • Rule .0106(c)(l): Agriculture Exemption Delete this exemption. There is no difference in the damage suffered by a landowner adjoining agriculturally-related groundwater contamination and a landowner adjoining contamination from other sources. There is no more justification for allowing an agricultural responsible party's contamination to migrate onto the innocent landowner's property than any other responsible party. 7 • Other If any regulation is adopted which would permit or approve of any migrating contamination beyond the property boundary, expressly provide that the regulation and approvals issued thereunder not be admissible in evidence in court in the defense of any claim for damages or injunctive relief by the adjoining property owners. Affirmatively state that these regulations are groundwater classifications only and in no way diminish the common law or statutory rights relating to real property, tort, negligence or environmental law in any action between an adjoining landowner or occupant and a responsible party. Although such a provision does not address the injuries that the proposed regulations will impose on adjoining landowners, it may at least help leave existing private remedies intact. To the extent that the proposed regulations would authorize and approve migration of contaminants onto adjoining landowners' property, tremendous burdens are being imposed on those landowners in direct violation of their constitutional, statutory and common law rights. The laudable purpose of devoting scarce cleanup dollars to the more serious sites of contamination cannot be stretched to justify these consequences for adjoining landowners. My prediction, instead, is that the proposed regulations would spawn expensive and protracted regulatory and judicial proceedings concerning the applications for approval of such migration that would defeat the very purpose sought to be served. To the extent that the proposed regulations would result in such interference with property rights, they should not be adopted. 8 Mr. David Hance March 24, 1993 Page 2 inconsistency. The term receptor should be redefined as "any unrestricted groundwater, surface water, human, or structure, other than a monitoring well, which is or may be affected by a contaminant from a contaminated site." Then natural remediation may be allowed to take place in restricted groundwater areas such as those served by public water systems where there is no danger that the groundwater will be an exposure pathway during the time that natural remediation is allowed to take place. Please call me if you would like clarification of our comments in any way. Sincerely, P~CJ,~ f~ohn J. /u'tl er JJB/ghd cc: Mr. William c. Steele [g: \jjb\carco\haoce.ltr] ' .. I • Duke Power Company Generation Services Department 13339 Hagers Ferry Road Huntersville, NC 28078-7929 €9) DUKEPOWER ~- April 20, 1993 Mr. David Hance Division of Environmental Management Groundwater Section P.O. Box 29535 Raleigh, North Carolina 27626-0535 Subject: Comments on Proposed Groundwater Regulations -2L File: GS-705.02 Certified: P 623 739 350 Dear Mr. Hance: I Duke Power Company has Groundwater regulations. changes to the regulations change. Attached please changes. reviewed the proposed changes to the In general, Duke Power supports these and considers this a positive regulatory find specific comments to the proposed Should you have any questions feel free to give me a call at (704) 875-5965. Sincerely, ~ (c.~Jcr'<-- John Estridge, Engineer Environmental Division, Water Protection jte/177 Attachments Printed on recycled paper ) Comments on Proposed Revisions to North Carolina Groundwater Regulations-Subchapter 2L Duke Power agrees with the State that some flexibility should be added to the rules to allow for risk-based determinations of cleanup levels. This allows resources to be dedicated to sites which truly represent unacceptable risks to human health or the environment rather than spending large sums to clean up insignificant levels of contamination. This will result in a wise use of both public and private resources. Alternate Cleanup Levels In particular, Duke Power applauds the inclusion of alternate cleanup levels in the proposed rules. Alternate cleanup levels represents a recognition by the State that cleanup to strict groundwater standards is neither practical nor cost effective at many sites. Many sites can be readily remediated to a level which is protective of human health; however, the additional remediation required to reach the groundwater standards is very costly and sometimes not even possible. Natural Remediation In addition, Duke Power agrees with the State's recognition that natural remediation is a reasonable, cost-effective remediation alternative. In cases where there is not an immediate human health concern, natural remediation coupled with a groundwater monitoring plan can provide a safe, effective, efficient cleanup while providing assurance that human health is being protected. Active remediation alternatives are still necessary at sites where non-aqueous phase liquids are present or at certain other sites where the extent or mobility of the contamination necessitates active cleanup to protect human health. However, these sites may also be candidates for natural remediation in conjunction with other methods or after an initial phase of active remediation to reduce/remove the threat to human health. Cost Considerations Also, the proposed rule includes provision for the consideration of costs, as well as public and economic benefits derived from groundwater quality restoration in making decisions on cleanup actions. We believe that proper environmental decisions can only be made by consideration of these factors. The overall benefit to the public of any remedial activity should include factors related to cost, as well as public and economic benefits in order to provide a reasonable approach in the expenditure of public and private funds. Professional Certification Duke Power agrees with the State's recognition that there are qualified individuals within the classifications of Professional Engineer and Professional Geologist who are qualified to certify reports required by the proposed rules. Both categories of professionals include many individuals who have practiced in the groundwater field for many years. However, there are many qualified and capable individuals who can perform site assessments who are not Professional Geologists or Professional Engineers. We encourage that State to consider allowing site assessment reports to be submitted by other certified individuals. (e.g. American Institute of Hydrology, National Ground Water Association) Analytical Procedures 0.0112 The 18th Edition of Standard Methods is now the most current edition of Standard Methods. The proposed wording reads 17th Edition, ... including any subsequent amendments and editions. Therefore, the 18th edition should be the one referenced in the proposed regulation rather than the 17th edition. Additionally, if a laboratory is certified by the State to perform an analysis then the results of that analysis should be acceptable to any State office regardless of the method selected to perform the analysis. Clarification of 1:40 Clean up Level (Section 0.0106) In order to request termination of corrective action, a demonstration must show that the asymptotic slope of the contaminants curve of decontamination is less than a ratio of 1:40 over a term of one year based on quarterly sampling. This is somewhat confusing and can be calculated in several ways. Therefore, we request that further guidance be provided on how to show this demonstration. Work Schedule The proposed rule allowed for the person submitting site assessment reports to develop a schedule for work to be performed on the impacted site. This will allow for site specific considerations to be considered when developing a schedule. This is preferred over a rigid or canned schedule of compliance which is seen in many other regulations. Conclusion Duke Power supports these changes to the groundwater regulations and believes that the changes _will enhance the States groundwater program. These changes allow more judgement as to when cleanup efforts can cease and gives more consideration to site specifics information. PUBLIC HEARING ASHEVILLE, NC Mr. Commissioner ~@mii !i lID 1993 APRI R! .I p · -~~3 SECT1cr, Rf,LEJGH. NC My name is Erin Shubert and I am the Environmental Coordinator at Kenan Oil, a small business in Central North Carolina dealing in petroleum products. I have come on behalf of Kenan Oil to urge adoption of the proposed changes to the 2L standards that apply to underground storage tanks. I limit my support to UST's because it is in that area alone in which I have gained enough knowledge to feel confident in my analysis of the impact of the proposed changes. The UST situation in North Carolina presents a problem different from many others discussed in the context of this rulemaking. Hydrocarbon contamination from underground storage tanks involves known types of contaminants with known properties, and recognized methods of remediation. When the problem occurs, we are ready and know how to deal with it. However, some effective methods, such as natural degradation, are currently not an option. I believe the new proposals allow DEM the flexibility to evaluate site specific effectiveness of new alternatives. Laws are already in place requiring new tank standards be met by 1998. Because new tank standards apply to aii owners, the proposed rules do not encourage irresponsibility by tank owners. We at Kenan Oil expect to have all of our tanks and lines upgraded at the end of this year. Therefore, the risk of future contamination is minimized and we are faced mainly with the problem of existing hydrocarbon contamination. We are responsible for environmental damage that occurs in the course of our business, and we do not contest that. But we do ask DEM have the opportunity to consider more factors in determining ... 0. ))!l ~ ~ -4 ~ ~l I ~jl 1993 GROUNDWATER SECTION RALEIGH, NC what corrective action is necessary to restore groundwater quality standards. We cannot realistically ignore financial considerations and economic benefits of alternate cleanup levels and natural degradation. When the new rules are in effect we can better protect the groundwater in areas where it is the source of drinking water. We can do this by shifting funds now consumed by clean-ups in areas where groundwater is not considered a source of drinking water, such as areas with city water. This money can be better used to remediate areas in which wells are the predominant source of drinking water. Such prioritization of resources should be a part of our 2L policy, and we support the incorporation of this idea in the proposed rules. Because such a shifting of resources is not accompanied by a release of liability for contamination, we believe the rules are protective of third parties. If permitted to use natural degradation, we accept the requirement of continued monitoring, and acknowledge that we could be required to implement an active remediation system if it is found necessary. But, by permitting natural degradation, a process we have found to be timely and effective, we can remediate while conserving available funds. Where this is feasible it should be permitted. I will briefly mention a site where natural remediation has been used with success even though we were not planning to use it. Discuss Case: Holloway Motor Company I close by stating that the groundwater we discuss today will be the water all of our children will share. We in the oil business have an interest in protecting the health and safety of these children too. The proposed rules offer a way to protect both the financial burdens and the environment of generations to come. CHARLOTTE OFFICE MAI UNG ADDRESS POST OFFICE BOX 31247 CHARLOTTE, N, C. 282.31 STREET ADDRESS 227 NORTH TRYON STREET CHARLOTTE, N. C. 28202 TELEPHONE 704/343-2000 TELECOPI ER 704/334-B467 Mr. David Hance SMITH HELMS MuLuss & MooRE ATTORNEYS AT LAW RALEIGH, NORTH CAROLINA MAILING ADDRESS POST OFFICE BOX 2752 S RALEIGH, N. C. 27611 STREET ADDRESS 316 WEST EDENTON STREET RALEIGH, N. C. 27603 TELEPHONE 919/828-8207 TELECOPt ER 919/8 2B-7938 April 23, 1993 Division of Environmental Management Groundwater Section Post Office Box 29535 Raleigh, North Carolina 27636-0535 Re: Van Waters and Rogers Inc. Comments to 15A NCAC 2L Dear Mr. Hance: GREENSBORO OFFICE MAILING ADDRESS POST OFFICE BOX 21927 GREENSBORO,N .C. 27420 STREET ADDRESS SUITE 1400 300 NORTH GREENE STREET GREENSBOR0 1 N. C. 27401 TELEPHONE 919/378-5200 TELECOPIER 919/379-9558 Please find attached comments by our client, Van Waters and Rogers Inc., regarding the proposed amendments to Subchapter 2L. We appreciate the Division of Environmental Management's consideration of these comments. If you have any questions, do not hesitate to contact me. EMP:lm Enclosure Very truly yours, SMITH HELMS MULLISS & MOORE cJJ -·Jrdoe ,~ ov~ Elizabeth M. Powell VAN WATERS & ROGERS INC. COMMENTS TO SUBCHAPTER 2L Van Waters & Rogers Inc. (VW&R) is a chemical distribution company with distribution facilities nationwide, including facilities in North Carolina. While VW&R's current operations comply with all applicable regulations affecting the handling of chemicals, VW&R owns properties upon which operations took place prior to the implementation of such regulations where groundwater remediation is presently underway. VW&R strongly supports the proposed amendments and believes they will provide great assistance to the regulated community, as well as the Division of Environmental Management, by allowing the Division to apply more practical standards to groundwater clean- up. We believe the amendments, as written, provide sufficient safeguards, through monitoring requirements, review criteria, and requirements for preparation of plans and reports by licensed professionals, to adequately protect human health and the environment. Therefore, ~e request that the amendments be accepted by the Environmental Management Commission as drafted. In particular, VW&R would like to address the proposal, raised during the public hearing process, that the amendments should be limited to groundwater contamination from petroleum underground storage tanks. We strongly disagree. Under the rules, the responsible party would be required to provide to the Division specific information about the particular contaminant(s) involved, including its toxic properties and how it moves through and continue to allow each contaminant to be reviewed independently, then there is no basis for treating the contaminants involved differently. The Division must determine, based on the information provided and its review criteria, and considering its own policy, whether the particular constituent meets the criteria. An argument has also been made, in public hearings, that the petroleum industry should be allowed more flexibility, due to the burden of expensive petroleum clean-ups on the state UST Trust Funds. We see no basis for the state favoring one industry over another in rulemaking. There are no trust funds available to fund clean-up of groundwater contamination not caused by petroleum underground storage tanks. These costs must be borne entirely by the facility owner. If the present rules are considered to be so inflexible that they reduce the cost- effectiveness of remediation, as we believe they do, then this is true for all clean-ups, not just one particular industry. We believe the amendments, as drafted, will be sufficiently protective and less costly for the entire regulated community. All responsible parties, not just the petroleum industry, should be allowed this flexibility and potential cost savings. Any cost savings will allow industry to prosper in the state and prevent the extra and unnecessary costs from being passed on to the state's consumers. 3 and reacts with the soil and groundwater conditions on site. Therefore, the Division will have sufficient information regarding the particular chemical constituent(s) involved to make a reasoned determination as to whether the request for termination, alternate clean-up level, or use of natural degradation should be granted. There is simply no reason that petroleum, as opposed to any other substances, should be singled out. A suggestion had been made in earlier meetings on these amendments that petroleum should be treated differently because there was more information available about petroleum and its effects than other chemicals. The chemical industry has significant information on the characteristics, hazards, and properties of chemicals and this information can easily be provided to the Division. If, in reviewing a request for, for example, the use of natural degradation, the DEM does not feel it has sufficient information on a particular contaminant to determine if such an option is sufficiently protective, it can request additional information on that contaminant from the responsible party. If sufficient information is still not provided, then the Division can simply deny the request and require active corrective action. Extending the amendments to all constituents does not mean that all such requests will be granted. The proposed corrective action will still have to meet the rule's criteria. If the proposed amendments are determined to be sufficiently protective of groundwater and public health, 2 ' .. We appreciate the opportunity to provide these comments. If there are any questions, or if additional information, particularly regarding the issue of continued inclusion of all contaminants under this proposed amendment, is sought, please contact our local counsel, Elizabeth M. Powell at Smith, Helms, Mulliss and Moore in Raleigh, (919 8288207). 4 SANDOZ CHEMICALS CORPORATION P.O. BOX 669246, CHARLOTTE, 28266 704 827. 9651 Fax: 704.822.6529 Mr. David Hence NC Division of Environmental Management Groundwater Section P.O. Box 29535 A SANDOZ April 21, 1993 Raleigh, NC 27626 -0535 GROUNDWJ\TfR S!tn-ow RE: Proposed rules amendment at 15A NCAC 2L. 0100 & • 0200 HALEIGH, NC Dear Mr. Hence: I am writing on behalf of Sandoz Chemicals in order to support the subject proposed rules amendment. The proposed amendments are appropriate changes given the advancing knowledge of groundwater cleanups. Most hydrogeologists now admit that it is just about impossible to clean up groundwater to pristine standards once it has been contaminated by non-aqueous materials. Article after article in the professional literature supports this point. Therefore, the challenge to both the regulators and the regulated community is to find a regulatory framework that protects human health and the environment while at the same time establishing practical goals for groundwater cleanups. To us here at Sandoz, it appears that the proposed rule amendments are the result of careful, rational thinking by DEM, taking into account the known facts about groundwater cleanups. We believe that the proposed rules are indeed sound, and represent a good application of science and government. Sandoz understands that some environmental groups are denouncing these proposed rules. We trust that the State (and the Environmental Management Commission), after careful consideration of the issues raised by all parties, will make a decision which is truly in the best interests of North Carolina. If there are any questions, or if I may be of service to you in any way, please do not hesitate to call me at 704 822 2701. Sincerely, g,,,~/J~~~ tfj_ Paige Straley, PE Corporate Environmental Manager cc: WM Archer file: general\grwtr01.d93 Glaxo Glaxolnc. April 21, 1993 Mr. David Hence Division of Environmental Management Groundwater Section P.O. Box 29535 Raleigh, NC 27626-0535 Dear Mr. Hence, Thomas F. Cecich Vice President Safety & Environmental Affairs This letter is written on behalf of Glaxo Inc. in order to convey our position on the proposed amendments to the groundwater cleanup standards (15A NCAC 2L.0100 and .0200). Glaxo Inc. would like to provide our support of the proposed amendments as both a private industry and as a member of the Chemical Industry Council of North Carolina (CICNC). Your continued endorsement of the proposed amendments will be of great benefit to both the regulatory agencies and the regulated community. While there are concerns about some of the wording, which have previously been addressed in CICNC's formal comments, Glaxo Inc. fully supports the concepts outlined in the proposed amendments. We concur that the principles upon which these amendments are based are sound and involve good science, engineering, and economics. Glaxo Inc. is concerned that the regulations, if not amended as proposed, will require remediation efforts to obtain pristine conditions, a situation that current technology cannot achieve. The proposed amendments recognize the technical limitations and allow remediation to be suspended when its limits have been reached. Glaxo Inc. 's Zebulon facility is currently undertaking an in-situ bioremediation project for a fuel oil release. It is anticipated that clean up levels will approach the acceptable regulatory levels, however, if the levels are not obtained after several years of treatment we do not believe ongoing and ineffective treatment will benefit the environment. In addition the project will incur excessive costs to continue the clean up of a site that poses no health risk or threat to the environment. Five Moore Drive, P.O. Box 13358 Research Triangle Park, NC 27709 • Telex 802813 • Telephone (919) 248-2100 Page2 Hence April 21, 1993 Glaxo Inc. believes the amendments as proposed allow your agency to make responsible decisions about the potential environmental and health risks of each contaminated site and to determine those sites which need active remediation. These regulatory changes will allow for the most effective expenditure of limited resources. Sincerely, Thomas F. Cecich cc: George T. Everett, PhD . . TO: David Hance FROM: Craig Bromby MEMORANDUM DATE: April 23, 1993 FILE: 46730.02 Comments on p rop osed 15A NCAC 2L Enclosed please find comments on the proposed changes to 15A NCAC 2L prepared by Takeda Chemical Products USA, Inc. Thank you in advance for your careful consideration of these comments. ij;©~K)_!)/JE )ID 2 1993 GROUNDWATER .. CllO R.~lEJGH, NC . . Mr. David Hance April 23, 1993 page 2 state agencies must prioritize the money spent on responding to environmental threats. Limited resources exist and DEM staff must be allowed to make responsible decisions based on their best professional judgement on how best to spend the taxpayers' money. The proposed amendments provide for the proper management of taxpayers' money. It is not always fiscally sound to spend large sums of state or private money_to resolve groundwater situations in short periods of time. Takeda appreciates the opportunity to participate in public review of and comment on proposed regulations. Takeda supports continued efforts to provide for public comment and involvement early in the regulatory development cycle. This letter is being sent by facsimile to Raleigh for delivery on April 23, 1993. A hardcopy will be delivered by mail to provide a more legible copy for inclusion in the comment file. &c;U_ s .-:1 ;:-ndl : Environmental Affairs Manager ,. My name is Robert J . ~rey, Jr . and I am a fourth generation operator of a small petroleum marketing business in Shelby, N.C. Our family business has been serving North Carolinians for more than 82 years and never have we been as concerned about the future of our Regulations have taken over the entt=,•rprisr~•• oper.;~tion ,:,f OLAr· bu~.;i·ness. Only eight short years ago our office and customer service staff consisted of 14 people who spent approximately 79% of their time accounting for our company and serving C US tOl"f1 1: l~S . Today we have 16 people who can spend only 57¼ of their time accounting for our company and serving customers. In f1'1a.n1"·1ours this equates as follows: ~ent 2,470 hours working for the company and 470 hours complying with government regulations. Today, 16 employees spend l ,609 hours working for the company and l ,158 hours complying with government regulations. Government compliance work has increased 246¼ and company work has With these statistics you can clearly see why everyone in our company is concerned about our future and strongly support ~ny amendments that would decrease unnecessary governmental compliance atmosphere it 1s very frustrating for me to tolerate the current groundwater classification standards. E:y '',;io,:-11 or·:Ler-1ted'' c1.nd ''bc:itt.,:,rn Everyone must realize the fact that the ONLY way any business, governmental agency or individual can survive, 1s, to not .. ♦ spend more money than you take in! In 1988 we discovered that an underground gasoline tank had leaked and been replaced by the previous owners. The •Jround ..... ,oiter contamination showed up in a neighboring well. contacted and uneconomical red tape and paperwork begin. allowed to take any action until paperwork was processed, test were rL~n, results •..vere clnalyzi=:1d, thE! site ''evRluatecl'' 21nd perri"1its issued . While the contaminated plume spread and our neighbors were without drinking water this process took over 16 months. Thii;:; is not ''bottom 1 i ne" ma.nageri1ent. Why not identify the leak one week and start clean- ing it up the next? This is the way our company has had to do lusiness in order to stay in business. Unrealistic and overly strict standards are guiding North Carolina's residents, businesses, and government towards certain bankruptcy. Theories, emotions and personal opinions aside, facts are facts. than you take in." Note: The clean-up of this particular site has cost over $350,000.00 and is currently costing approximately $2,200.00 a month to operate. In my estimation, based on experience and expert advice, this sit.e could t-·,ave b1'=.·en cli=:1an1'=.'cl to p1~E~vent ''threat to human h1?e:1lt..h'' for less than $125,000.00. About one year ago County water lines were installed throughout this area and there is no ''threat to human health" It is my understanding that with the current standards that no lt2c1-,nology e:,-::ists to cl.1.:"!an thtc:! w,:;~ti=.~r-to "star·"io:::IE1rd~;" lE?Vf.-?.l herefore these treatment costs will go on indefinitely . . ($2,200.00/month X ??? months=$$ Millions$$) Possibly the state U .S .T. fund will cover $950,000.00 of these costs but indefinite continuation of this project will eventually break our company, putting approximately 130 North Carolinians out of work and putting the costs back on the state and ultimately the tax payers. Another site in which our company was involved, incurred un- necessary costs of over $2,700 .00. In the removal of 3 U.S.T . 's from a single hole, 2 of 10 soil samples indicated 66 and 83 ppm. There are no groundwater wells within 2500 + ft. of this site. Experience and site analysis indicated the site was clean but strict standards demanded that we re-excavate and take 3 more samples . These samples tested clean. To the best of our determination the 66 and 8 3 ppm _ontamination was introduced b y either gasoline on the hands of the person taking the samples or gasoline fumes (from customers pumping gasoline approximately 15 feet from the edge of the excavation) or both . This was a clear case where, l) the original (bogus) contamination levels were too low to be of concern and 2) there are no groundwater wells within 2500 + feet of the site . the standards are necessary . Amendments to Our concern is to keep our environment clean and to take the necessary steps to alleviate groundwater health risks. The facts are: Money for clean up is not unlimited; no one can spend more money than they take in; the current standards are unrealistic and should be amended so our environment can be cleaned up and health risks can b e eliminated . , Carolina does not have a thorough assessment of its groundwater resources. Furthermore, it is astounding that such major changes to state policy can be made without significant background studies and analysis, or even a legal analysis of the scope of the rules. If the problem is really that it does not make sense to require urban gasoline stations (i.e. the so-called "Mom and Pop" stations) to clean up groundwater that will never be used as drinking water, then the rules should focus on that rather than set out a method for all groundwater polluters to escape from their duty to clean up the contamination. Of special concern are owners of RCRA and CERCLA-regulated facilities and the commercial tank farms which will use these rules to allow major areas to remain contaminated. The responsible parties should not be allowed to get out of their responsibility. variance p rovisions. The variance provisions of the current rules are adequate and within the authority of the EMC and Division as provided by G.S. 143-215.3(e). The proposed rules will shortcut the procedural safeguards and strict standards of the statute allowing the EMC to grant a variance. The rules grant far too much authority to the Director in that a corrective action plan or alternate cleanup level is a variance. The standard in proposed rule .0104(a) is one of "readily available and economically reasonable technology" is significant different than the "best available tech~ology" st~ndard in the statute. The proposed variance procedure would not withstand a legal challenge on these grounds. Personal property rights. In addition to the public trust rights, these proposed rules will significantly change the rights of adjoining landowners. The RS designation can be made by a polluter not only under his property but under his neighbor's property. That property can be rendered useless for residential purposes if the groundwater is contaminated and it is outside an area served by city water. Notification and monitoring are not adequate protection. There should be a new section declaring that these rules do not, and indeed cannot, take away the common law and other legal property rights of adjace,,t la~dc.whers from bri:v;ing l~::i gA.l ?J.Ctior-. tq enjoin the cpm:.ai,nination o .f groundwater ·or to recover damages. Other comments • • 0102. A definition of disposal system should be added, such as "any man-induced practice or s .tructure which causes non-indigenous contaminants to enter into groundwater." .0102(/4). The second sentence under "corrective action plan" should be dropped siice it is not part of the definition . • 0102(17). Add the following: "and qualified to judge the physics and chemistry of water, with experience in geologic and hydrologic analysis as well as engineering." Besides this section, there are other places where expertise needs to be more exactly delineated, such as in .0103(e). .I April 15, 1993 Mr. David Nance ENVIRONMENTAL SERVICES, INC. 1318 DALE STREET, SUITE 120 RALEIGH, NORTH CAROLINA 27605 (919) 833-0034 Division of Environmental Management, Groundwater Section N.C. Dept. of Environment, Health & Natural Resources P.O. Box 29535 Raleigh, North Carolina 27626-0535 Re: Proposed amendments 15A NCAC 2L Dear Mr. Nance: I am in receipt of the proposed amendments to groundwater regulations listed in 15A NCAC 2L. For the most part, I have few comments on proposed changes. Any attempt to simplify procedures for the regulated pubJic is a move in the right direction. However, our firm is very concerned regarding one significant aspect of the new regulatione.:.. The proposed rules require that work performed pursuant to the aforementioned subchapter be restricted to those individuals or firms licensed to offer geological or engineering services. Such a restriction would severely restrict the ability of firms such as ours to offer services which we have traditionally and responsibly provided to our clients. Environmental Services, Inc. (ESI) has provided groundwater monitoring, mitigation and remediation assistance through our sister corporate entity, Southeastern Environmental Audits, Inc. (SEAi). We do not have a professional geologist or professional engineer registered in North Carolina on our staff, nor do we consider such individuals necessary for the performance cf these tasks. Our key individuals are techt.dc.l}Hy trained (s~vernl 2:re degreed geologists) to perform groundwater tasks, with. management and oversight by certified professionals through the National Association of Environmental Professfouals (NAEP). The NAEP certification program is a rigorous, peer review process that confers certification credentials (CEP) on qualified professionals. Certification is based upon advanced education, relevant experience, and examination. The NAEP code of ethics lrns been supported and recognized by the federal courts in recent litigation. In addition, our firm maintains a $1 million errors and omissions policy and liability insurance as a measure of fiscal account~bility for protection of our clients. We have a proven track record of performing quality work which has withstood .agency r~vie:w ~nd confirmation. ENVIRONMENTAL SERVICES, INC. Page 2 I understand that the basic premise for proposed restrictions is to provide for accountability and responsibility in conducting groundwater tasks. However, I believe you would be remiss in removing certain firms and individuals from consideration. Accountability can be realized through other measures, such as recognition of other national certification programs or by requiring fiscal responsibility (insurance, bonds, etc.). If professional training is the issue, I am confused as to why you have limited these activities to Professional Geologists (PGs) and Professional Engineers (PEs). The professional engineering test does not include a single environmental questio::1 on the exam. In addition, mo.st cngiueers do not receive any formal training in environmental issues. Yet the rules would provide license for these individuals/firms to conduct tasks for which they have limited training, while, at the same time, eliminating other competent parties from offering services. In order to include other responsible parties, we recommend that terminology in Sections .0103 (POLICY), .0110 (MONITORING), and .0111 (REPORTS) be expanded and modified to include " ... other qualified professionals". We recommend that a definition of "other qualified professionals" be included in Section .0102 to read " . .individuals in the engineering, environmental or planning profession who demonstrate fiscal and professional accountability and are certified, licensed, or registered by an organization that recognizes competence in a specific area of practice. The organization and associated individuals must subscribe to a code of ethics that assures competence in the applicable practice and implementation of groundwater rules." Thank you for your consideration. If I can answer any questions or provide additional information during the decision making process, please do not hesitate to give me a call. Sincerely, ENVIRON1\L13,NTAL SERVICES; INC. IP~·4'~ ~ry -£crain, Ph.D., CEP Vice President JM/pm gwater Mr. Hance ) 19 April 1993 Page 2 of 3 the need that qualified ground-water professionals (scientists or engineers) sufficiently trained and experienced in ground-water hydrology and related fields (as may be certified by professional registrations or certifications) make professional judgments regarding ground-water monitoring, contaminant fate and transport, and ground- water remediation or restoration. Regulations promulgated at 40 CPR Section 260.10 and 40 CPR Section 25850(f), copies enclosed as Exhibit A, regarding solid and hazardous waste management define the USEPA's meaning of a qualified ground-water professional. This issue is being addressed by other states as well. For example, the Commonwealth of Virginia is proposing language in the Virginia Solid Waste Management Regulations, Amendment I (which was approved by the Waste Management Board) defining a qualified ground water scientist. The definition is very similar to that accepted by the USEP A. The State of South Carolina legislature is considering a bill that would create a State Board of Registration for Hydrologists. I believe recognition exists at the national level to ensure the public practice of hydrology, particularly ground- water hydrology, by qualified individuals. Can Qualified Professionals Practice Hydrology Qualified hydrologists, particularly ground-water hydrologists, would be excluded from the list of specified professionals who are accepted as being qualified for conducting and certifying ground-water related work under the proposed amendments. This difficulty may arise because a formal hydrologist registration/licensing board does not exist in North Carolina and geologist and engineer registration/licensing boards do not determine whether an individual is qualified to practice hydrology, including ground-water hydrology. Additionally, registration as a geologist or engineer typically requires a degree in geology or engineering, respectively. Individuals with degrees and backgrounds in hydrology, ground-water hydrology, and water resources typically would not be able to qualify and obtain either a professional geologist (PG) or professional engineer (PE) registration. As a consequence, qualified professionals in hydrology (including ground-water hydrology) would not be able to practice their profession independent of a PG or PE even though they may possess significantly greater academic credentials and experience. Based on current events, a need exists for qualified hydrologists to be allowed to practice their profession. Models for Qualified Ground-Water Professionals Two national organizations recognize professionals practicing in the field of ground-water hydrology. The American Institute of Hydrology (Alli) recognizes the Professional Hydrologist-Ground Water and the Professional Hydrogeologist. The distinction is based on the education, training, and experience of the individual; the PH-GW comes from the more traditional hydrology school and the PHG comes from the more traditional geology school. The National Ground Water Association recognizes a Certified Ground Water Professional (CGWP). An overview of the AilI and certification requirements is enclosed (Exhibit B). The language of the proposed amendments to Sections .0103 and .0111 of 15A NCAC 2L should be revised to reflect that the work and reports prepared pursuant to this subchapter be performed by qualified ground-water professionals as may be evidenced by registration by State or recognized national licensing or registration board. Provision .0102 Definitions should be revised to include the definition of a qualified ground-water professional such as has been defined by the USEP A. NCAC21.ltr Mr. Hance 19 April 1993 Page 3 of 3 By way of background, I am a hydrologist certified as a Professional Hydrologist-Ground Water by the American Institute of Hydrology. I have spent much of my life acquiring the academic training needed to practice in my discipline. I have more than 10 years experience with hydrologic applications for hazardous waste management and 14 years experience in the overall field of environmental sciences. I hold an undergraduate degree (BS) with study in clinical chemistry and environmental sciences, a graduate degree {MS) with study in environmental sciences and public health, and a graduate degree (MS) from Georgia Institute of Technology with study in hydrology and water resources. I have more than 85 quarter hours of academic cow-sework in hydrology, hydraulics, and water resources. I have testified in Federal court as an expert witness in ground-water hydrology for cases involving ground-water contamination. I have approximately 40 days of special training in ground-water related topics. Unfortunately, under the proposed amendments I would not be qualified to conduct ground-water hydrology related work addressed by the amendments without oversight or direct support of a North Carolina PG or PE. I appreciate the opportunity to provide these comments regarding the proposed amendments. I would be happy to discuss any questions you may have regarding these comments or recommendations. Sincerely, ~(,fl <t-' ~4'! ~{, Dario J. Dal Santo, PH-GW Senior Hydrologist Senior Program Manager cc: Dr. David Hargett (RUST) Dr. Joseph Rosenshein (AIH) Dr. John Moore (AIH) Dr. Vernon lchimura (Chem Nuclear) Dr. Adel Bakr (NUS) Dr. Joseph Register (IT) Dr. Jack Monrad (Dames & Moore) NCAC21.ltr MUNICIPAL LANDFILL CRITERIA TABLE 1-Contd. MCL Chemical (mg/I) Vinyl Ch loride................................................. 0.002 Subpart E -Ground-Water Moni- toring and Corrective Action §258.50 Applicability. (a) The requirements in this part apply to MSWLF units, except as provided in paragraph (b) of this section. {b) Ground-water monitoring require- ments under §25 1!.5 l through §258.55 of this part may be suspended by the Direc- tor of an approved State for a MSWLF unit if the owner or operator can demon- strate that there is no potential for migra- tion of hazardous constituents from that MSWLF unit to the uppermost aquifer (as defined in §258.2) during the active life of the unit and the post-closure care period. This demonstration must be certi- fied by a quaiified ground-water scientist and approved by the Director of an ap- proved State, and must be based upon: (I) Site-specific field collected measure- ments, sampling, and analysis of physical, chemical, and biological processes affect- ing contaminant fate and transport, and (2) Contaminant fate and transport predictions that maximize contaminant migration and consider impacts on human health and environment. (c) Owners and operators of MSWLF units must comply with the ground-water monitoring requirements of this part ac- cording to the following schedule unless an alternative schedule is specified under paragraph (d) of this section: (I) Existing MSWLF units and lateral expansions less than one mile from a drinking water intake (surface or subsur- face) must be in compliance with the ground-water monitoring requirements specified in §§258.51-258.55 by October 9, 1994; (2) Existing MSWLF units and lateral expansions greater than one mile but less than two miles from a drinking water in- take (surface or subsurface) must be in compliance with the ground-water moni- toring requirements specified in §§258 .51-258 .55 by October 9. I 995: (3) Existing MSWLF units and lateral expansions greater than two miles from a drinking water intake (surface or subsur- face) must be in compliance with the ground-water monitoring requirements specified in §§258.51-258.55 by October 9. 1996. (4) New MSWLF units must be in compliance with the ground-water moni- toring requirements specified in §§258.51-258.55 before waste can be placed in the unit. (d) The Director of an approved State may specify an alternative schedule for the owners or operators of existing MSWLF units and lateral expansions to comply with the ground-water monitoring requirements specified in §§258.51-258.55. This schedule must en- sure that 50 percent of all existing MSWLF units are in compliance by Octo- ber 9, 1994 and all existing MSWLF units are in compliance by October 9, 1996. In setting the compliance schedule, the Director of an approved State must consider potential risks posed by the unit to human health and the environment. The following factors should be consid- ered in determining potential risk: (I) Proximity of human and environ- mental receptors; (2) Design of the MSWLF unit; (3) Age of the MSWLF unit; (4) The size of the MSWLF unit; and (5) Types and quantities of wastes dis- posed including sewage sludge; and (6) Resource value of the underlying aquifer, including: (i) Current and future uses; (ii) Proximity and withdrawal rate of users; and (iii) Ground-water quality and quanti- ty. (e) Once established at a MSWLF unit, ground-water monitoring shall be conducted throughout the active life and post-closure care period of that MSWLF unit as specified in §258 .61 . (f) For the purposes of this subpart, a qualified ground-water scientist is a sci- entist or engineer who has received a bac- calaureate or post-graduate degree the natural sciences or engineering and has sufficient training and experience in groundwater hydrology and related fields as may be demonstrated by State registra- tion. professional Certifications. or com- pletion of accredited university programs that enable that individual to make sound professional judgements regarding ground-water monitoring, contaminant fate and transport. and corrective-action. 10-2-92 Copyright © 1992 by The Bureau of National Affairs, Inc. 0013-9211/92/$0+.50 S-922 161:1907 (g) The Director of an approved State may establish alternative schedules for demonstrating compliance with §258.5 I(d)(2), pertaining to notification of placement of certification in operating record: §258.54(c)(I ), pertaining to noti- fication that statistically significant in- crease (SSI) notice is in operating record; §258.54(c)(2) and (3), pertaining to an assessment monitoring program; §258 .55(b), pertaining to sampling and analyzing Appendix II constituents; §258.55(d)(I ), pertaining to placement of notice (Appendix II constituents de- tected) in record and notification of notice ir. record: §258.55(d)(2), pertaining to sampling for appendix I and II to this part; §258.55(g), pertaining to notifica- tion (and placement of notice in record) of SSI above ground-water protection standard; §§258.55(g){l)(iv) and 258.56(a), pertaining to assessment of corrective measures; §258.57(a), pertain- ing to selection of remedy and notification of placement in record: §258.58(c)(4); pertaining to notification of placement in record (alternative corrective action mea- sures); and §258.58(f). pertaining to noti- fication of placement in record (certifica- tion of remedy completed). [§258.50 corrected at 57 FR 28627, June 26, 1992] §258.51 Ground-water monitoring sys- tems. (a) A ground-water monitoring system must be installed that consists of a suffi- cient number of wells, installed at appro- priate location and depths, to yield ground-water samples from the upper- most aquifer (as defined in §258.2) that: ( 1) Represent the quality of back- ground ground water that has not been affected by leakage from a unit. A deter- mination of background quality may in- clude sampling of wells that are not hy- draulically upgradient of the waste man- agement area where: (i) Hydrogeologic conditions do not al- low the owner or operator to determine what wells are hydraulically upgradient; or (ii) Sampling at other wells will provide an indication of background ground-water quality that is as representative or more representative than that provided by the upgradient wells: and (2) Represent the quality of ground wa- ter passing the relevant point of compli- [Sec. 258.51(a)(2)] 211 GENERAL HAZARDOUS WASTE RULES waste. hazardous waste constituents. or leachate. Management or hazardous waste man- agement means the systematic control of the collection. source separation, storage. transportation, processing, treatment, re- covery, and disposal of hazardous waste. Manifest means the shipping document EPA form 8700-22 and, if necessary, EPA form 8700-22A, originated and signed by the . generator in accordance with the instructions included in the ap- pendix to part 262. Manifest document number means the U.S. EPA twelve digit identification num- ber assigned t0 the generator plus a unique five digit document number as- signed to the Manifest by the generator for recording and reporting purposes. Mining overburden returned to the mine site means any material overlying an economic mineral deposit which is re- moved to gain access to that deposit and is then used for reclamation of a surface mme . Miscellaneous unic means a hazardous waste management unit where hazardous waste is treated, stored. or disposed of and that is not a container, tank, surface im- poundment, pile, land treatment unit, landfill, incinerator, boiler, industrial fur- nace, underground injection well with ap- propriate technical standards under 40 CFR part 146, containment building, or unit eligible for a research, development. and demonstration permit under §270.65 of this chapter. [Amended at 57 FR 37263, Aug. 18, 1992] Movement means that hazardous waste transported to a facility in an individual vehicle. New hazardous wasie management fa- ci/icy or new facilicy means a facility which began operation. or for which con- struction commenced after October 21. 1976. (See also "Existing hazardous waste management facility".) New tank s_vstem or new tank compo- nent means a tank system or component that will be used for the storage or treat- ment of hazardous waste and for which installation has commenced after July 14. 1986; except. however. for purposes of §264.193(g)(2) and §265. I 93(g)(2), a new tank svstem is one for which con- struction commences after July 14, 1986 . {See also "existing tank system.'') On ground tank means a device meet- ing the definition of "tank" in §260.10 and that is situated in such a way that the bottom of the tank is on the same level as the adjacent surrounding surface so that the external tank bottom cannot be visual- 1 y inspected . On-site means the same or geographi- cally contiguous property which may be divided by public or private right-of-way, provided the entrance and exit between the properties is at a cross-roads intersec- tion, and access is by crossing as opposed to going along, the right-of-way. Non-con- tiguous properties owned by the same per- son but connected by a right-of-way which he controls and to which the public does not have access, is also considered on-site proi:;erty. Open burning means the combustion of any material without the following char- acteristics: · ( 1) Control of combustion air to main- tain adequate temperature for efficient combustion, (2) Containment of the combustion-re- action in an enclosed device to provide sufficient residence time and mixing for complete combustion, and (3) Control of emission of the gaseous combustion products. (See also "incineration" and "thermal treatment".) Operator means the person responsible for ~he overall operation of a facility. Owner means the person who owns a facility or part of a facility. Partial closure means the closure of a hazardous waste management unit in ac- cordance with the applicable closure re- quirements of parts 264 and 265 of this chapter at a facility that contains other active hazardous waste management units. For example, partial closure may include the closure of a tank (including its associated piping and underlying contain- ment systems), landfill cell. surface im- poundment, waste pile, or other hazard- ous waste management unit. while other units of the same facility continue to oper- ate. Person means an individual, trust, firm, joint stock company. Federal Agency, cor- poration (including a government corpo- ration), partnership, association, State. municipality. commission. political subdi- vision of a State, or any interstate body. Personnel or facility personnel means all persons who work. at, or oversee the operations of. a hazardous waste facility , and whose actions or failure to act mav result in noncompliance with the require"- ments of part 264 or 265 of this chapter. S-932 161:2105 Pile means any non-containerized ac- cumulation of solid, nonflowing hazardous waste that is used for treatment or storage and that is not a containment building. [Amended at 57 FR 37263, Aug. 18, 1992] Plasma arc incinerator means any en- closed device using a high intensity elec- trical discharge or arc as a source of heat followed by an afterburner using con- trolled flame combustion and which is not listed as an industrial furnace. [Amended at 57 FR 38564, Aug. 25, 1992] Point source means any discernible, confined, and discrete conveyance, includ- ing, but not limited to any pipe. ditch, channel, tunnel, conduit, well, discrete fis- sure, container. rolling stock, concen- trated animal feeding operation, or vessel or other floating craft, from which pollu- tants are or may be discharged. This term does not include return flows from irrigat- ed agriculture. Publicly owned treatment works or POTW means any device or system used in the treatment (including recycling and reclamation) of municipal sewage or in- dustrial wastes of a liquid nature which is owned by a "State" or "municipality" (as defined by section 502( 4) of the CW A). This definition includes sewers, pipes, or other conveyances only if they convey wastewater to a POTW providing treat- ment. Qualified Ground-Water Scientist means a scientist or engineer who has re- ceived a baccalaureate or post-graduate degree in the natural sciences or engineer- ing, and has sufficient training and exper- ence in ground-water hydrology and relat- ed fields as may be demonstreated by state registration, professional certifica- tions, or completion of accredited univer- sity courses that enable that individual to make sound professional judgements re- garding ground-water monitoring and contaminant fate and transport. Regional Administrator means the Re- gional Administrator for the EPA Region in which the facility is located, or his des- ignee. Replacement unit means a landfill, sur- face impoundment. or waste pile unit (I) from which all or substantially all of the waste is removed. and (2) that is subse- quently reused to treat, store, or dispose of hazardous waste. "Replacement unit" does not apply to a unit from which waste [Sec. 260.10) 2-19-93 Copyright© 1993 by The Bureau of National Affairs. Inc. 0013-9211/93/$0+.50 79 I • . . . . . . i ,:: :-: ~~~~·-'"--~:-,::,.::• ~ EXHIBITS (4 of 4) T he American Institute of Hydrology (AIH), was formed in 1981 as a non-profit scientific and educational organization. AIH is the only nationwide organization to offer certification and registration to professionals in all fields_ of_ hydrol- ogy. The Institute ddheres to the prmc1ples ?f responsible professional conduct and public service. AIH PURPOSE The purpose of AIH is to enhance and strengthen the standing of hydrology as a science and a profession by: • Establishing standards and procedures to certify individuals qualified in hydrology and hydrogeology. • Establishing and maintaining ethical standards to protect the public from irresponsible work. • Providing education and training in hydrology. • Providing the public and government advice and guidance concerning activities related to the hydrologic profession. AIH MEMBERSHIP BENEFITS 1. Peer recognition of professional competence in hydrology or hydrogeology. 2. Free listing in the AIH Registry of Professionals and a free copy of the Registry. 3 . Free copy of the AIH Bulletin four times a year. 4. Discount on AIH publications. 5. Reduced rates at AIH meetings, short courses, and workshops. REQUIREMENTS FOR CERTIFICATION AIH certifies individuals, whose credentials are evaluated by a panel of nationally recognized and respected scientists. This evaluation involves review of the applicant's education, the quality and extent of professional experience, professional conduct, and an examination. The applicant must: 1. Meet one of the following educational require- ments: • Graduate with a major in hydrology or hydrogeology. • Graduate with a major in physical or natural sciences or engineering, including the completion of 25 semester units or 37 quarter units in hydrology/hydrogeology with at least 20 semester units or 30 quarter units acquired in the third or fourth year or in graduate courses. • The above described educational requirements may be waived for individuals who received their last degree before 1970, and have proven their professional competence and ability in a responsible position and in publications in hydrology and/or hydrogeology. 2. Have the following experience in professional hydrological or hydrogeological work: • Minimum of 8 years after the award of a Bachelor's degree. • Minimum of 6 years after the award of a Master's degree. • Minimum of 4 years after the award of a Doctor's degree. 3. Perform substantive original investigations in some phase of hydrological sciences and publish the results in professional publications or reports of agencies, institutes, or consulting firms. 4. Provide the names and current mailing addresses of five referees who have present knowledge of the applicant's qualifications, integrity, and professional conduct. 5. Be reviewed and approved by the AIH Board of Registration with respect to education, experience, publication record, public conduct, and relative and demonstrated possession of the knowledge, skills, and competence in hydrology or hydrogeology. 6. Have a passing grade on an examination designed to determine the applicant's knowledge of hydrology and hydrogeology and the ability to apply this knowledge and understanding of basic hydrologic principles to find solutions to practical problems. ISSUANCE OF CERTIFICATE If all'the requirements are met by applicants, they will be certified and registered as Professional Hydrologists, Professional Hydrogeologists, or Professional Hydrologists (Ground Water). The certificate must be renewed annually, and recer- tification must be done every five years . Because this policy change will evoke such hardship on these individuals, we need to comment that knowledge and forewarning has not been generally distributed. Through informal discussion with various individuals in the environmental field we have found many are unaware that this policy change is even proposed much less open for public comment. People cannot respond on matters for which they are unaware. We wish to recommend that the designation of qualified consultants be postponed. We further recommend a State level accreditation program be implemented in a manner similar to the "Asbestos Contml Branch" where individuals may be tested on their ability and fairly accredited to practice. This program can be funded through course tuition, testing fees, and annual accreditation fees. Sincerely, Dolly Bidwan Law & Company, Inc. David Hance April 23, 1993 Page 2 HUNTON & WILLIAMS To limit the approved professionals to those who are registered on criteria other than those addressing the specific tasks required in the proposed Rules is, at best, arbitrary. There are other highly competent and speciali7.ed professionals who can perform, and have performed, such work in the past, who will now have to seek out someone perhaps less qualified, but who is properly registered with the approved licensing board. The Board of Directors of the NCAEP suggests that the Rule be modified to substitute the words "qualified professionals" in the language of . 0103, . 0110, and . 01 11, and define "qualified professional" to be "individuals in a technical or scientific profession who can demonstrate fiscal and professional accountability and who are certified, licensed or registered by an organization or occupational licensing board that recognizes competence in a specific area of practice relating to the requirements of these Rules. The certifying or licensing organization must have adopted and require adherence to a code of ethics that assures that no licensee or certified professional will practice in an area in which that professional is not competent." The National Association of Environmental Professionals, to which NCAEP is affiliated, has an active certification program and is presently involved in a joint effort to create a uniform national certification program for disciplines addressing, among other things, precisely the types of professional endeavor sought to be implemented by the proposed Rules. We would be delighted to provide further information on these programs if you would like. We feel that such certification is equally, if not more, pertinent to the assurance the Rule seeks. Thank you for your careful consideration of these comments. If you have any questions, or would like additional information or explanation, please feel free to call me. Sincerely yours, ~-4 ~ Craig ~omby ~ 02453/07454 •:..,__ ____________ (uEHm6E) __ ' ~@ Page -2- April 21, 1993 Mr. David Hance Division of Environmental Management Groundwater Section 2 • Adjoining or new property owners should not be subject to additional regulation. The proposal to make adjoining property owners who obstruct remediation activities responsible parties sounds good but would only add additional confusion. The existing Federal CERCLA law is quite adequate for the situations that this proposal is meant to address. In fact, the proposal will probably prevent property transfers that embody legally enforceable cleanup plans thereby resulting in fewer cleanups and further spread of contamination. In summary, the Division should endeavor to make the groundwater regulations a tool to encourage voluntary cleanups. This will focus our stateis resources on actual cleanup rather than on meaningless paper exercises. 7/7;'~. H. Lynn Phillips Regional Vice President cc: Robert Cohen @ Rec,1cled Paper April 19, 1993 Mr. David Hance Division of Environmental Management Groundwater Section P.O. Bex 29535 Raleigh, NC 27626-0535 Re: Proposed Regulations Dear Mr. Hance: © fcf]fi{) ffi1 ~-,---. ./~ ./!!lt!?L'!lit WJ;i 0) \•, APR 81 1993 gj/ GtrOUt,JfJ'l{ATF ~ 0A I ci, s.~c,·,n '"'h •. /;fGN ,._,'-•VN , ,,c I am writing to give support to your proposed amendments to the North Carolina Groundwater regulations. In particular, I support easing regulations in urban areas where city water is used for drinking. It is prohibitively expensive and a waste of taxpayers money to require the exhaustive clean up efforts in these urban areas where we do not drink the water. Let's get these new regulations into action ASAP! If you have questions you can contact me at 787-2526. Cordially, ~ f t>V'- J ogan JH/mm League of Women Voters of Moore County P.O. Box 1995 Southern Pines, NC 28388 Mr. David Hance, Groundwater Section Division of Environmental Management P.O. Box 29535 Raleigh, NC 27626-0535 Dear Mr. Hance: ~ dr.i, /C/93 GRU-i!J'tJM.\:~·rr.~ SECTION The League of Women Voters of Moore County has grave 1 •· 1-~•m,i;:., · concerns regarding the proposed easing of state pollution RAL£1GI-\ NC clean-up rules, the "21" proposal, which we regard as, threatening to our groundwater supply. People who make a mess should clean it up. It appears innocent landowners may suffer loss of property values caused by a neighbor's failure to clean up a spill or remove a leaking underground storage tank. We believe there is too much latitude given for the removal of the RS designation by the director, and inadequate provision for public notification. Please reassess the confusion that will be caused by these new rules, and your responsibility to prevent the degradation of North Carolina groundwater for years to come. Very truly yours, ~~J,e_, Katherine Hodge, President V~-~f!~ Phylfi s Kalk, Chair, Natural Resources Unit S. Dillon Wooten , Jr. Pres ident SINCE 1927 Mr. David Hance Division of Environmental Management Groundwater Division P.O. Box 29535 Raleigh, N.C. 27626-0535 Dear Mr. Hance: Convenience Stores/Petroleum Products 703 South George Street/P.O. Box 1277 Goldsboro, North Carolina 27533 -1277 Telephone (919) 734-1357 It is my understanding that the Environmental Management Commission is accepting written comments on the Groundwater Classifications and Standards proposed amendments. I attended the public hearing on Wednesday, April 7 and voiced my support for the proposed amendments. The purpose of this letter is to submit a comment in writing that I strongly support and my company strongly supports the proposed amendments. I feel that generally the petroleum industry and other owners of underground storage tanks and tank systems in the area of eastern North Carolina that I serve are generally acting in a responsible manner in upgrading their systems and protecting the environment. If some degree of reasonableness is used in our attempts to protect the environment I believe that it will be beneficial in the long run because the huge cost and inefficiency of some of the clean ups. that are required now will cause a number of small businesses to go bankrupt. We of course all want the cleanest environment possible but we need to conduct the clean ups in a reasonable manner and <level op methods that will work efficiently. My company now spends most of it's capital budget on environmental matters and even though we have been in business since 1927 there is no assurance with the current rate of environmental expenditures that we will be able to survive for a long period of time without some relief from the unreasonable requirements of cleaning up groundwater to impossible standards where it does not impact human heal th and safety. We strongly support the proposed amendments. SDWJr/dbc cc: Senator John H. Kerr KWIK MABT Sincerely, Wooten Oil Company S. D. Wooten, Jr. COUNTY OF CHATHAM COMMISSIONERS HENRY DUNLAP. JR., Chairman MARY HAYES HOLMES EARL D . THOMPSON GUS MURCHISON E.T. HANNER P. 0. BOX 87 PITTSBORO, N. C. 27312 BEN SHIVAR County Manager ROBERT L. GUNN County Attorney Phone (919) 542-8200 ORGANIZED 1770 707 SQUARE MILES Mr. David Hance Chatham Site Designation Review Committee April 23, 1992 Division of Environmental Management DEHNR P.O. Box 29535 Raleigh, NC 27626 Dear Mr. Hance: As a follow up to my Raleigh concerning classifications and hydrogeologist George 1991-1992. oral statement at the hearings on April 7 in proposed amendments to our groundwater standards, I am enclosing a report by Bain done for Chatham County in the winter of Chatham County hired Mr. Bain as a consultant in the spring of 1991 because he had extensive experience doing field geology for the US Geological Survey in the Triassic basins of the Eastern United States as the geologist in charge of an evaluation of Triassic rock as a potential repository for hazardous wastes. I understand that his conclusion for that study was that the Triassic geology, because of dike intrusions and fracturing, was an unsuitable formation for the disposal of toxic materials. He further elaborated on the implications of spills of toxics in Triassic locations in North Carolina in the attached report. The basic conclusion is that fractured rock environments are difficult to predict given the current state of the science of geology. Given the fact that geologists can penetrate the earth's surface by drilling in only a small fraction of the relevant terrain, in spite of attempts to model and predict the path of any plume, Bain points out that toxics have moved in unpredicted directions at unpredicted speeds. Even though this work was done in the past for other purposes, it seemed to point out the difficulty of expecting geologists to predict whether hazardous materials would migrate to any place they could be picked up by drinking water wells in fractured geological settings. Thus reliance on such judgements could be very risky as a basis for determining decisions about remediation. Mr. Hance April 23 1 1993 Page 2 In addition our experience has been that this is a very costly process. The cost of determining the path and predicting the amount and timing of releases for the NC Low-Level Radioactive Waste Disposal Facility from underneath 2 sites of approximately 50 acrei of disposal cells has been at least $18 million. and recent findings after nearly 2 years of study suggest that more studies must be done. Please consider the foregoing points when evaluating the advisability of adopting proposed Section .0106. especially (h). (i). and (k). which necessarily involve predicting. contaminants' travel time and direction in complex geologic settings. Please ~efer to pages 1. 2, 4. 5-8. 38-42 for the material relevant to your ae liberations. Sincerely. ?¾~~~ Mary MacDowell Research Coordinator FEASIBILITY OF LLRW STORAGE IN FRACTURED TRIASSIC ROCK AT THE WAKE/CHATHAM SITE Prepared for Chatham County Board of Commissioners LLRW Site __ :p,~s~g1J.tation Review Committee Prepared by: Bain;.:Patmer & Assoc., __ fnc. 2641-G Randlemari _Road Greensboro, NC . 27:406 (919) 272-9713 fanuary ,2.~, 1992 TABLE OF CONTENTS ·~~; \ INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 REGULATORY REQUIREMENTS...................................... 9 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Federal Licensing Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 North Carolina Licensing Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 THE WAKE/CHATHAM POTENTIAL SITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Regional Triassic Geology and Geohydrology . . . . . . . . . . . . . . . . . . . . . . . . . 16 Diabase Dikes . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Local Site Geology and Physiography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 THE SPECIAL HYDROGEOLOGY OF FRACTURED ROCKS . . . . . . . . . . . . . . . 24 THE SPECIAL PROBLEMS IN MODELING FRACTURED ROCKS . . . . . . . . . . . 28 DEGREE TO WHICH THE WAKE/CHATHAM SITE MEETS REQUIREMENTS FOR WASTE ISOLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Capable of Being Characterized . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Natural Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Site Drainage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Depth to Water Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Groundwater Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Tectonic and Geomorphic Processes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 CASE HISTORIES OF LLRW STORAGE IN THE U.S.A. . . . . . . . . . . . . . . . . . . . 34 Lessons Learned . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 LOCAL TRIASSIC HAZARDOUS WASTE INCIDENTS . . . . . . . . . . . . . . . . . . . . 38 IBM Site ................................................ • . . . . . . 38 Koppers Co. Superfund Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 General Timber Company . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 CONCLUSIONS REFERENCES APPENDIX I 41 43 FEASIBILITY OF LLRW STORAGE IN FRACTURED TRIASSIC ROCK AT THE WAKE/CHATHAM SITE INTRODUCTION LLRW (Low-Level Radioactive Waste) products must be disposed of in a manner which protects man and the biosphere from harmful radiation. The primary goal in siting the facility is to provide sufficient time for the decay of the radioactive elements which may leave the site to degrade to a "safe level" before exposure to potential environmental receptors. The period of time considered necessary for radioactive materials to decay to safe levels is equal to ten times the half life of the radioactive substance. The level of radioactivity decay achieved after 300 to 500 years is considered low enough to meet the NRC's (U.S. Nuclear Regulatory Commission) performance objectives for protection of the general public. The rules in 10 CFR Part 61 are based on the consideration that radionuclides released to the atmosphere, groundwater, surface water, and soil must not result in an annual dose to the whole body of 25 millirems, to the thyroid of 75 millirems, or 25 millirems to any other organ of the body. Thirty years of experience with leaking LLRW disposal sites has taught us much about the kinds of geological sites that are suitable for long-term waste isolation, causing scientists to reevaluate the hydrologic principles governing the long-term isolation and monitoring of radionuclides. The NRC and State agencies have, as a result, codified a set of stricter siting and licensing procedures based on a better understanding of scientific principles. Unless the requirements and guidelines are adhered to strictly, unsafe sites are likely to be licensed. The author of this report, Mr. George L. Bain, P.G., has been retained by the Chatham County LLRW Site Designation Review Committee to review the technical merits of the Wake/Chatham potential site. This evaluation is based on Mr. Bain's past experience with Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 1 the geology and hydrology of the Durham Triassic basin; the Triassic geologic literature; several site visits over the past year; review of the relevant State and Federal regulations and guidelines, the Site Characterization Plan for the Wake/Chatham site, and the recent literature concerning the modeling of fractured rock aquifers; and consideration of the site data available to him from the first 90-day review of characterization. Mr. Bain has 32 years of professional experience, 7 years of which were in subsurface waste disposal research on the East Coast Triassic basins and 5 of whish were in Nuclear Plant site evaluations. This experience is further detailed in Appendix I (Resume). SUMMARY 1. Based on review of the available data, technical literature, and applicable guidelines and regulations, the Wake/Chatham site is determined to be a complex site from a hydro geological standpoint, fails to meet some of the requirements of NRC and State guidelines, and may not be modelable or monitorable with the precision and confidence needed for accurate prediction of the., long-term fate of radionuclide contamination. Therefore, this site is likely to be an unsafe and unlicensable site. 2. Federal and State regulations and guidelines set forth site suitability requirements by which the licensability of a site is to be judged. Those regulations and guidelines pertinent to the Wake/Chatham site include the following: a. Sites that are geologically and hydrologically simple and contain processes that occur at consistent and definable rates are preferred over complex sites. For modeling these simple sites, input assumptions must be representative of all site conditions; otherwise, an invalid model is produced, and inaccurate predictions are made. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 2 b. Sites with fairly deep water tables, lengthy travel times to points of groundwater discharge and predictable contaminant migration pathways are more suitable than those with complex hydrogeological frameworks. c. Areas are not suitable for LLRW disposal if ground-water discharge features such as springs, seeps, swamps, or bogs are present. d. The hydrologic unit used for disposal should not have continuous permeable or impermeable anomalies such as faults or fracture zones. e. Some examples of areas not suitable for LLRW disposal include areas that contain steep terrain, surface waters, wetlands, faults or fracture zones, karst areas, and economic resources. f. The disposal site must not be located where nearby facilities or activities could adversely impact the ability of the site to meet the performance objectives ... or significantly mask the environmental monitoring program. Thus, the Wake/Chatham · site fails to meet some of the requirements of 10 CFR 61, particularly in the areas of simple geology, modelability, wetlands, and economic resources. These performance deficiencies are discussed below. 3. The Wake/Chatham potential site is neither geologically nor hydrologically simple. This site is underlain with competent (hard and cemented), fractured, and jointed Triassic rock; that change in composition and inclination in both vertical and horizontal dimensions. The Triassic basin in which the site is located has been tilted, faulted in several directions, and invaded by several episodes of diabase intrusion, causing widespread development of secondary openings. Feasibility -LLR W Storage Wake/Chatham Site Chathai:n Co. Page 3 t Groundwa·ter occurs both in the secondary openings provided by the joints and fractures in the diabase dikes and sedimentary rocks and in the overlying mantle of weathered Triassic rock and soil. Groundwater flows freely between the overlying soil and the underlying rock which are in hydraulic continuity. The local source of groundwater is entirely from precipitation, which recharges the soil and weathered rock and in turn recharges the joints and fractures in the underlying Triassic rocks. Local groundwater movement is through joints and fractures toward areas of lower elevation at on site and offsite springs, seeps, streams, and lakes. Fractured bedrock is the· most difficult of all geological terranes to characterize hydrologically. The present development of the science of hydrogeological modeling is not sufficiently advanced to accurately predict the location and/or. rate of groundwater movement along the most critical fracture(s) by which · radionuclide bearing groundwater may first enter the biosphere. Similarly, the complexity of fracture systems at a site may be such that monitoring programs are ineffective in promptly indicating whether, or even where, a leak has occurred. The accurate prediction of the location, orientation and hydraulic characteristics of this most critical fracture are the most critical aspects in characterizing the site to protect human health and the environment. Also, we must recognize that, at this point in their development, the geologic sciences do not have some giant "CAT scan" suitable for accurately locating and characterizing that one critical fracture. In fact, we cannot accurately characterize those few critical fracture pathways without completely excavating (and thereby destroying) the site to expose the pertinent fractures. The Shearon Harris FSAR (Final Safety Analysis Report) identified an east-west trending fault that is projected to cross the northern end of the potential site near the auxiliary dam. On the basis of local geological work by Reinemund, Bain and Harvey, Randozzi, and others which demonstrates rapid changes in basement depth over short Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 4 lateral distances and offset geological features, one can reasonably assume that this is not the only fault in the area of the site. That is, if there is one documented fault, there is a high probability that others of similar trend may cross the site. 4. The site area contains rock and clay which are used locally in brick manufacture. Also, at least one nearby basin contains deposits of coal, oil, and gas. 5. Documented jurisdictional wetlands exist on site. However, the data necessary to determine the location of any on site seasonal groundwater springs or seeps are not available, such as the seasonal positions of the water table, the length of the site streams that flow all year long vs. seasonally, or the age of groundwater present in on site streams. The shallowness of the water table (based on personal observations of the extent to which surface water drainages penetrate into the center of the site) and evidence from infrared photography indicate that groundwater is likely to discharge on site, contrary to NRC suitability requirements. 6. Most, if not all, of the existing and closed LLR W sites were modeled, prior to construction, to predict the future movement and fate of radionuclides that could eventually end up in the local groundwater system. However, almost all existing LLRW sites have leaked much faster than their models predicted. Thirty years 1of experience with leaking LLRW disposal sites have caused scientists to reevaluate the hydrologic principles • governing the long-term isolation and monitoring of radionuclides, resulting in stricter codified siting and licensing procedures. The unanticipated rapid travel of radionuc1ides away from existing LLRW cells sited on or above fractured rock leads to several critical observations. First, siting on fractured rock may be an invitation to disaster because of much greater than predicted groundwater velocities along individual fractures in hard rock. Secondly, the science of fractured rock hydrology is in its infancy. Thirdly, failures occurred at LLR W sites that computer modeling did not predict. A corollary to these observations is that it Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 5 is not the overall average groundwater velocity predicted from modeling the entire rock mass that is the critical design velocity, but rather the velocity along that one single "critical" fracture or fracture system at the LLRW cell which has the greatest combination of water pressure and permeability (ease of flow). 7. Groundwater scientists consider flow and transport of contaminants in fractured rock to be one of the most difficult and, as yet, unsolved problems of the profession. That is, there is poor understanding of the physical and chemical process of flow in fractures. There is no absolute way of accurately measuring or predicting the actual geometry and direction of the flow pathway between two observation points; the mathematical description of that fracture flow is much more complex than flow through porous media; and no reliable and verifiable direct modeling techniques have been developed. The basic principles and means for evaluating the occurrence, storage, and movement of groundwater have evolved from our understanding of groundwater flow through fairly homogenous, granular, relatively permeable materials such as unconsolidated sands, silts, and clays. Flow in granular materials is through the pore spaces around and between individual grains. However, flow in fractured rocks is through the interconnected but discontinuous joints and fractures that bound impermeable or relatively impermeable blocks of rock. There are large differences in scale and geometry between these two flow environments. A volume of fractured rock containing all of the representative properties of the larger rock mass could measure hundreds or thousands of feet in each dimension or not exist at all. Whereas, a sample representative of all the variable physical parameters of a homogenous sandstone could be only inches or fractions of inches in size. This disparity in representative sample size is caused principally by the. vast difference between the fine mesh of pores in homogenous, porous sedimentary Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 6 deposits vs. the equivalent fractures in dense, non-porous rock and the wide variety of fracture size, spacing, geometries and orientation. Compared to the between-grain spaces in normal sandstone aquifers, fractures have low fissure volume (contain little water) but high permeability. Consequently, the water stored in the fractures is depleted quickly because flow along the fracture is rapid." Similarly, the zone of influence resulting from pumping a well may spread to greater distances along discrete fractures when compared to a well in homogeneous soil or rock having intergranular porosity (pore spaces between the sand grains). Flow along the fractures or fracture sets commonly becomes directionally skewed rather than directed radially toward the pumping well. 8. The development of models to enhance understanding of and to predict contaminant transport in fractured rock systems is an active area of research. However, reliable, field-validated models for predicting the results of clean-up scenarios at contaminated sites are not yet available (Schmelling and Ross, 1989). According to Domenico and Schwartz, Phvsical and Chemical Hvdro geolo gy , modeling of flow through individual fractures or sets of fractures gives rise to several problems. First, data is needed on the orientation, fracture density, degree of interconnection, aperture size, roughness of walls, fracture infilling, and other features which may exist. Second, flow may be turbulent or laminar, depending on fracture size. If turbulent, Darcy's Law (mathematical formula for flow in porous material) no longer applies. Third, the hydraulic conductivhy (permeability or ease of flow) of the fractures will vary with changes in the rock stress field and the fluid pressure. ) Testing and verification of fracture flow models is greatly impeded by the difficulty of obtaining field data that truly describe the hydrogeologic characteristics of fractured rock (Anderson, 1984). That is, there are few data because of the expense and sheer difficulty of making observations below the rock surface. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 7 9. Groundwater in the fractured Triassic rock of the Durham (Triassic) basin is easily contaminated. Numerous industrial sites exist in the Durham basin, some of which have released toxic and hazardous materials that have subsequently contaminated local groundwater supplies. In some of these instances, contaminants have moved great distances, seemingly against the local gradient and in unpredicted directions. Case histories which illustrate the problems of predicting, monitoring, and controlling the movement of contaminants in the fractured Triassic rocks of the Durham basin are presented later in this report. 10. The unpredictable lateral spread of contaminants, the anomalous results of pump tests, and the recorded interference of distant pumping wells in the Durham Triassic Basin demonstrate that high permeability paths, other than those associated with diabase dikes, exist elsewhere in the Durham Basin and are likely to be present at this site. 11. The site is adjacent to the Shearon Harris Nuclear Plant, a source of radionuclides. Any release to Harris Lake or airborne release to the ground surface of the site is a potential groundwater contaminant that affects the ability to monitor the performance of the site. In conclusion, the Wake/Chatham site fails to meet Federal and State regulations and guidelines in the following areas. a. The site is neither geologically nor hydrologically simple. b. The site groundwater in both the Triassic sedimentary rock and diabase dikes occurs and flows through joints and fractures which cannot be reliably identified. c. The site contains wetlands and possible points of groundwater discharge. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 8 d. The site contains economic resources. e. The site is adjacent to the Shearon Harris Nuclear Plant, a source of radionuclides which potentially mask the ability to monitor the performance of the site. f. The modeling literature strongly suggests that field-validated and verifiable models suitable for the reliable prediction of the fate of radionuclide transport in individual fractures are not available. Therefore, proof of the safety of a fractured rock she via modeling especially as pertains to the predictability of the LLRW site is highly questionable. The issues summarized above are more fully developed in subsequent portions of this report. REGULATORY REQUIREMENTS Introduction Federal and State regulations and guidelines set forth minimum performance requirements for candidate LLR W disposal sites. Federal Licensing Requirements The Federal site suitability requirements (NRC) on which licensing is based are published in Subpart D, 10 CFR 61.50. These requirements are reproduced below for reference. "1. The disposal site shall be capable of being characterized, modeled, analyzed and monitored. 2. Within the region or state where the facility is to be located, a disposal site should be selected so that projected population growth and future Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 9 developments are not likely to affect the ability of the disposal facility to meet the performance objectives .... 3. Areas must be avoided having known natural resources which, if exploited, would result in failure to meet the performance objectives .... 4. The disposal site must be generally well-drained and free of areas of flooding or frequent ponding. Waste disposal shall not take place in a 100-year floodplain, coastal high-hazard area or wetland .... 5. Upstream drainage must be minimized to decrease the amount of runoff which could erode or inundate waste disposal units. 6. The disposal site must provide sufficient depth to the water table that ground- water intrusion, perennial or otherwise, into the waste will not occur. The Commission will consider an exception to this requirement to allow disposal below the water table if it can be conclusively shown that disposal-site characteristics will result in molecular diffusion being the predominant means of radionuclide movement and the rate of movement will result in the performance objecti~es ... being met. In no case will waste disposal be permitted in the zone of fluctuation of the water table. 7. The hydrogeologic unit used for disposal shall not discharge ground water to the surface within the disposal site. 8. Areas must be avoided where tectonic processes such as faulting, folding, seismic activity, or vulcanism may occur with such frequency and extent to significantly affect the ability of the disposal site to meet the performance objectives ... or may preclude defensible modeling and prediction of long-term impacts. 9. Areas must be avoided where surface geologic processes such as mass wasting, erosion, slumping, landsliding, or weathering occur with such frequency and extent to significantly affect the ability of the disposal site to meet the performance objectives ... or may preclude defensible modeling and prediction of long-term impacts. 10. The disposal site must not be located where nearby facilities or activities could adversely impact the ability of the site to meet the performance objectives ... or significantly mask the environmental monitoring program." Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 10 NRC NUREG -0902 is a technical position paper developed by the Low-Level Waste Licensing Branch on the above 10 reg·ulatory requirements. This paper interprets and· presents the Branch's position on three subject areas: the site suitability requirements of 10 CFR 61, the site selection process, and site characterization activities. Parts of this document which are considered pertinent to the Wake/Chatham potential site are reproduced below. 1. The disposal site shall be capable of being characterized, modeled, analyzed, and monitored. "The first requirement implies that the proposed site should be geologically and hydrologically simple. Since most modeling tends to homogenize the hydrogeologic units and average the hydrologic properties for such units, the site characteristics should vary within a sufficiently narrow range so that the input to the modeling is representative of the hydrogeologic units and the assumptions underlying the modeling are valid. For example, the hydrogeologic unit used for disposal should not have continuous permeable or impermeable anomalies such as faults or fracture zones, sand lenses, weathered horizons, or karstic features that provide preferential pathways for or barriers to ground-water flow. The first requirement also implies that natural processes affecting the disposal site should be occurring at a consistent and definable rate such that the modeling of the site will represent both present and anticipatable site conditions after closure. Finally, since monitoring programs can sample only a small fraction of the surface area or subsurface volume of the disposal site, site characteristics must be such that the small number of monitoring points can adequately describe the extent to which radionuclides have migrated from the waste disposal units." Note that the Branch staff "considers the ground-water pathway to be the most significant pathway for migration of radionuclides at humid sites." 7. The hydrogeologic unit used for disposal shall not discharge groundwater to the surface within the disposal site. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 11 "The 'Seventh requirement, related to ground-water discharge, stipulates that the hydrogeologic unit used for disposal will not discharge ground water to the ground surface within the disposal site. Surface-water features sustained by ground-water discharge, such as perennial and ephemeral streams, springs, seeps, swamps, marshes, and bogs, should not be present at the proposed disposal site. This requirement will result in a travel time for most dissolved radionuclides at least equal to the travel time of the ground water from the disposal area to the site boundary. In addition, this requirement should provide sufficient space within the buffer zone to implement remedial measures, if needed, to control releases of radionuclides before discharge to • the ground surface or migration from the disposal site." 10. The disposal site must not be located where nearby facilities or activities could adversely impact the ability of the site to meet the performance objectives ... or significantly mask the environmental monitoring program. "The tenth requirement, related to effects of nearby facilities or activities, is included so that the evaluation of any proposed disposal site will include not only the impacts of that disposal site on its surroundings but also the impacts of the surroundings on the disposal site. Nearby sources of airborne radionuclides, drift from cooling towers at nearby electrical generating stations or other industries, adjacent hazardous waste disposal facilities, and injection of water and/or liquid wastes upgradient from the disposal site may adversely affect the ability to monitor the performance of the disposal site." Regulatory Guide 4.19 further develops the above ten regulatory requirements by stating the following NRC positions. "1.1 Capable of Being Characterized ... sites that are geologically and hydrologically simple and contain processes that occur at consistent and definable rates are preferred over complex sites. For mathematical modeling of the site, data input or assumptions must be representative of all site conditions. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 12 1.3 Natural Resources ... areas should be avoided if they contain natural resources in quantities or of such quality that future exploitation could. affect waste isolation. 1.4 Site Drainage A 100-year floodplain, coastal high-hazard, wetlands, or areas where flood velocities can cause damage are not suitable for waste disposal. 1.5 Depth To Water Table ·· Areas with a known or suspected high water table should be avoided. 1.6 Ground-Water Discharge Areas are not suitable for LLR W disposal if ground-water discharge features such as springs, seeps, swamps, or bogs are present. 2.0 Site Selection Process 2.1 Step 1 Some examples of areas not suitable for LLRW disposal include are_as that contain steep terrain, surface waters, wetlands, faults or fracture zones, and karst areas." North Carolina Licensing Requirements The procedures, criteria, and terms and conditions upon which the agency (Division of Radiation Protection) issues licenses are set forth in Section Tl0:03G.3300 of the North Carolina Administrative Code. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 13 This section of the Code is stated to fulfill two objectives: "l. To meet the requirements of com p atibilitv with the U. S. Nuclear Regulatory Commission regulations, and 2. To provide general guidance for the design, operation, closure, and institutional control of a low-level radioactive disposal site." This section restates the four goals of 10 CFR Part 61, Section 61.7 Concepts as : 1. Protection of the public from releases of radioactivity, 2. Protection of an inadvertent intruder 3. Protection of workers at the facility, and 4. Assurance of long-term stability after closure." S pecific Technical Information (.3306) required in the license application to demonstrate that the performance requirements will be met include: "13. ... description · of geologic, geotechnical, hydrologic, climatologic ... (features) of the disposal site and vicinity: characterization shall include sufficient and suitable data performance analysis." meteorologic, where the site for design and The Technical and Environmental Analvses (.3308) that shall be performed by the applicant include: "1. ... the pathways analyzed in demonstrating protection of the general population from releases of radioactivity including air, soil, groundwater, surface water, plant uptake, and exhumation by burrowing animals." These analyses must clearly demonstrate the difference in roles performed by the natural characteristics of the site and the designed features and clearly demonstrate that radioactive exposure to humans will meet the limits of Rule .3323. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 14 The Standards for Issuance of a License (.3314) states that a license will be issued upon finding that the operation of the facility will not constitute an unreasonable risk to the health and safety or have a long-term detrimental impact on the environment. Dis posal Site Suitability Requirements are dealt with in paragraph .3328. Basically, the North Carolina requirements mimic those contained in 10 CFR 61, but with some additions. No. 4 of the above NRC requirements (10 CFR 61) has been modified to use the "Floodplain Management Guidelines'" definition of the 100-yr. flood plain. No. 6 of the NRC requirements has been revised to limit the bottom of the disposal facility to at least 7 feet above the seasonal high water table, as defined in GS 104E-25(j). Provisions to prohibit disposal in the recharge area of a sole-source aquifer and within 1000 feet of drinking water wells have also been added. GS 104E-25(d) requires the site to meet all applicable hydrologic and geologic suitability requirements. "as though engineered barriers were not required. Engineered barriers shall not substitute for a suitable site or compensate for any deficiency in a site." Rules for Environmental Monitorin g are provided in paragraph .3331. The pre-operational data must provide information on the ecology, meteorology, climate, hydrology, geology, geochemistry, and seismology of the site area. In addition, during the construction, operation,· and post-closure period, the monitoring program must be ca_pable of providing early warning of releases of radionuclides before they reach the disposal site boundaries and shall include types and location of wells in sufficient number to permit detection of radioactive contamination. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 15 THE WAKE/CHATHAM POTENTIAL SITE The Wake/Chatham site lies at the Wake-Chatham County line in eastern Chatham and southwestern Wake County, just south .of Merry Oaks and highw·ay U.S. 1. The property is about 24 miles southwest of Raleigh and across Harris Lake from the Shearon Harris nuclear power plant. It lies within the Durham basin and is underlain in its entirety by a sequence of sedimentary rocks known as the Triassic. Regional Triassic Geology and Geohydrology The Triassic rocks of the eastern United States were deposited in a series of several elongated, narrow basins that extend from Nova Scotia to the subsurface of western Florida. The Durham basin is one of these structures. Structurally, they consist of grabens and half- grabens (areas of the ~arth's crust that have subsided adjacent to or between two faults) into which erosional products from the surrounding highlands were deposited to form sandstones, shales, mudstones, and siltstones and minor amounts of limestone, chert, and coal. All of the Triassic basins have been subjected to post-deposition lithification (rock solidification) and diabase dike intrusion. Diabase dikes were forcibly injected into the Triassic sedimentary pile from late Triassic through early Jurassic time. There were apparently three episodes of intrusion. The dikes emplaced during these episodes have slightly different magnetic susceptibilities, chemistry, and remnant magnetic orientation. Their present-day distribution, slope, and direction is a fossil record of the stress field in existence at the time they were emplaced. _The forceful intrusion of the host liquid rock and the heat caused baking, attendant mineralogic changes, and fracturing along a narrow zone in the sedimentary rocks on either side of the dikes. During the millions of years since the original infilling of these basins, the sands and muds have been changed into very dense rock of low permeability. All of the basins have been rotated or tilted about their long axes. For example, the Durham basin is tilted toward the Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 16 southeast. This basin, as others, has been further sliced lengthwise into at least three sub- basins by post-early Jurassic normal faults. The southeastern border fault is not a single, simple, down-to-the-west normal fault, but a fault zone 0.5 to 1.5 miles wide that causes the basin floor to descend "stair step" fashion toward the northwest. Numerous post-late Triassic normal cross faults, trending west to northwest, further break up the original continuity of the Triassic sedimentary rocks in a roughly perpendicular direction. As a result, the sedimentary rock units in the basin have been broken into rhomb to triangular shaped blocks that average from 0.5 to 1 mile by 2 to 3 miles on the side. All of the Triassic sedimentary rocks are well-cemented, and little if any original primary porosity and permeability remain. When viewed under the microscope, the primary cause of this reduction of primary porosity becomes evident. Overgrowths of quartz and feldspar crystals result in a very dense rock when unweathered. Measured seismic velocities are also high, giving further evidence for very dense and compact rock. The lack of primary porosity and permeability in the Triassic rocks makes for correspondingly poor infiltration from precipitation and overall poor water bearing characteristics. These characteristics make the Triassic rocks poor aquifers. The groundwater that is resident in the Tdassic sedimentary rocks is stored in and moves primarily through the secondary porosity and permeability provided by the joints a _nd fractures. These joints and fractures are recharged, principally, by water that has infiltrated down from groundwater stored in . the overlying regolith (weathered rock and soil). The water bearing joints and fractures of the Triassic rocks were created by two mechanisms: (1) past tectonic activity, faulting, and diabase dike intrusion, as described above, and (2) by additional jointing caused by the release of pressure or weight of the overlying rocks as they were removed by erosion. These processes cause additional variability and less predictability in the distribution and orientation of water bearing features. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 17 Groundwater in these rocks is stored in two principal ways: (1) in the joints and fractures and (2) in the minute pores and secondary openings in the blocks of rocks between join ts and fractures. The joints and fractures take on and drain water quickly; whereas the unfractured, unjointed, well-cemented rock mass does so very slowly. The permeability difference between these two_storage mediums is usually 3 to 4 orders of magnitude, or more. Areas of most intense fracturing such as the zones on either side of diabase dikes form high permeability paths and provide somewhat greater opportunities for groundwater storage, resulting in much higher yields. However, because well yields depend on the number and kind of fractures penetrated by a well, the erratic spacing of rock joints and fractures can easily result in two identically constructed wells drilled within a few feet of each, having highly different water levels and yields. This wide variation in hydrologic conditions over a short distance severely limits the predictability of contaminant-migration pathways. The occurrence of high permeability zones_ in otherwise low permeable rocks is a common hydrologic phenomenon in competent sedimentary and crystalline rocks. The rock mass of . the shallow crust is permeated with joints, fractures, and faults resulting from the stress of tectonic movements and weathering. They serve as the conduits through which water stored in the regolith from precipitation recharge these rock reservoirs and through which their water is drained to the creeks. Compared to the intergranular spaces in normal sandstone aquifers, (porous, isotropic medium) fractures have low fissure volume and high permeability. Consequently, their stored water is depleted quickly, because flow along the fracture(s) is rapid. For example, the zone of influence resulting from pumping a well tends to be very narrow or lobate and to spread to great distances along discrete fractures. In contrast, a well in isotropic (having the same properties in all directions), homogeneous rock having intergranular porosity generally develops a radial cone of depression around a pumping well. (Boonstra, J., and Boehmer, W.K., 1986) and (Atobrah, K., 1988). Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 18 Accurately monitoring the hydrologic behavior of contaminants in fractured rock is difficult. Two piezome.ters (monitoring wells) placed adjacent to each other but one in · an open fracture and the other in a competent, unfractured block of rock ( or in a different set of fractures) frequently exhibit significantly different water levels. Although two wells at the same point may represent the same geographic point for monitoring purposes, both frequently are non-representative of the true hydrologic situation at that point (Mercurio and Bain, 1981). Similarly, Nelson (1990) has documented as much as 10 feet in water level differences in a single borehole where individual fractures were isolated and measured illustrating, again, the severe difficulty in acquiring representative hydrologic data from fractured rocks In summary, the lithology and character of Triassic sedimentary rocks change quite rapidly, vertically and horizontally. Groundwater is contained for the most part in joints and fractures that vary in spacing and frequency. Groundwater travel along fractures systems can be rapid, occur over considerable distance, and in unpredictable directions. The rapid travel time and lack of predictability are the principal reasons for the NRC guidance document advice for avoidance of fractured rock sites. Diabase Dikes The occurrence of a much higher water well yield adjacent to diabase dikes in the Durham Basin is common knowledge among the well drilling, geologic, and hydro geologic professions. Dr. Jasper Stuckey, former director of the North Carolina Geological Survey, told stories during his lifetime of his many successes in directing home owners and residents to locate well locations adjacent to diabase dikes. This author and his colleagues have had many similar successes during the past 30 years. One of the best descriptions of the physical relationship between diabase dikes and the surrounding Triassic sedimentary rock into which they are intruded is contained in U.S. Geological Survey Professional Paper 246 prepared by John A. Reinemund, 1955 entitled Geolo gy of the Dee p River Coal Field North Carolina. The following quotes are relevant: Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 19 "Many streams originate in springs .produced by movement of groundwater along margins of intrusives ( dikes). Some of these springs are shown in plate 1. They insure a fairly steady flow of water in many streams in the region, and they are important sources of water for domestic use. Local inhabitants have learned by experience that dikes are favorable locations for water wells. Rocks near some intrusives(dikes) appear little disturbed, as though the magma had simply replaced the rock it intruded, but in other places, the rocks are considerably fractured and disarranged (Reinemund, 1955). Diabase dikes in the Deep River coal field range in width from less than an inch to more than 300 feet, and they range in length from a few feet to almost 7 miles. Most dikes have sharp, fairly straight contacts with the adjacent sedimentary rocks, as shown in figure 21, but in areas of strongly faulted and folded rocks the dike contacts may be very irregular, as shown iri figure 22. Wall rocks adjoining the dikes generally show little deformation as a result of the intrusion of the diabase, although along some dikes the strata have been contorted by faulting that occurred prior to the intrusion. Near a few dikes, wall rocks have been tilted upward as much as 150 or 200 from normal position by the intrusion." Similar geologic expression of diabase dikes and their relationship to local faulting has been described by Dr. J.M. Parker III in his 1979 publication entitled Geolo gy and Mineral Resources of Wake County. The following quote illustrates the problem of relying too much on regional magnetic surveys to locate all possible diabase dikes. "Many diabase dikes have strong positive expression on the aeromagnetic maps, some only faintly expressed, and some have no effect. These relations are described in a separate section of this report. The aeromagnetic maps have been invaluable in tracing many dikes between widely spaced outcrops and through sediment-covered areas" (Parker, 1979). Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 20 Pump tests conducted at the IBM facility in Research Triangle Park (Cullen and Robertson , 1988) illustrate that pumping wells in or adjacent to diabase dikes: (1) creates rapid ( drawdowns over great distances laterally along the dike aquifer system, (2) creates little or no drawdown in wells outside the dike aquifer system. Drawdowns, in turn, may be produced in distant wells not adjacent to the diabase dikes but which are apparently in a fracture system which intersects the diabase dike aquifer (Cullen and Robertson, 1988). Geophysical work by Idris (1980), in eastern Chatham County indicated that groundwater in and adjacent to diabase dikes was associated with a measurable low resistivity anomaly. Payne (1984), found that there was an apparent correlation between well yields associated with the diabase dikes and lower magnetic susceptibility. Thus, common well siting knowledge, the Triassic literature, and pump test data all substantiate that high permeability groundwater producing zones related.to diabase dikes, and to joints, -and fractures in the surrounding sedimentary units are common occurrences in the Durham Basin. Both diabase dike and non-diabase fracture system aquifers at the Wake/Chatham potential site are potential pathways for rapid movement of radionuclides from a LLR W c_ell. Local Site Geology and Physiography The 1~00 acre Wake/Chatham potential site, has low relief. Site elevations range from just over El. 278 ft. MSL (mean sea level) to just below El. 220 ft. MSL. The site straddles a drainage divide between a tributary of Shaddox Creek on the west and White Oak Creek on the east. Both creeks drain to the Cape Fear River (about El. 160 ft. MSL) approximately 2.5 miles to the Southwest. White Oak Creek has been impounded to form Harris Lake, a 4000-acre cooling pond for the Shearon Harris nuclear power plant. Harris Lake borders the entire eastern side of the site. The normal pool elevation of Harris Lake is El. 220 ft. MSL. The 100-yr. flood elevation is Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 21 El. 223 ft. and the maximum expected lake elevation is projected to be El. 239 ft. An auxiliary dam and lake, which borders the northeast tip of the site, is located in the headwaters of Harris Lake. Normal pool elevation for the auxiliary dam is El. 250 ft. MSL. Intermittent and perennial streams dissect the site in east-west and in northwest-southeast directions. Topographically, the site consists of several distinct, low, broad knolls of about 130 to 200 acres in size which drain to local hollows. Geologically, the site is located in the eastern part of the Durham Triassic Basin in an area dominated by fine-grained sediments such as mudstones and siltstones with occasional muddy sandstones and wackes. Exposures of weathered rock suitable for geologic examination and the production of detailed geologic maps are few to nonexistent because of the low topographical relief of the site. The limited outcrops that are visible are small in areal extent, shallow, badly weathered, and slumped. The individual beds appear to dip at low angles toward the southeast. A thin mantle of White Store and Creedmoor soil blankets most of the site. Also, insufficient geological exposures are available to make definitive determinations of the degree of fracturing and faulting. From field inspection, the site appears to be located in the red mudstone-sandstone .facies of Bain (1980), and may or may not be vertically offset by basin faulting. Vertical offset to the northeast and southwest, as determined from electrical (resistivity) soundings, is on the order of 300 to 600 ft. on individual faults. The Shearon Harris FSAR (Final Safety Analysis Report) identified one east-west trending fault that is projected to cross the northern end of the potential site near the auxiliary dam. One must assume, based on the Triassic geologic literature and experience with similar Triassic geologic terrane (group or suite of rocks), that if there is one dqcumented fault, there are others of similar trend that may cross the site. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 22 The site is underlain with competent (hard and cemented), fractured, and jointed Triassic rock which has been intruded by swarms (many closely spaced) of diabas~ dikes. Groundwater occurs in the secondary openings provided by the joints and fractures in the diabase dikes and sedimentary rocks, as well as in the weathered Triassic rock overburden with which it is in hydraulic continuity. Locally, the source of groundwater is entirely from precipitation which recharges the soil and weathered rock which, in turn, recharges the joints and fractures in the underlying Triassic rocks. Local groundwater movement in the rock is through joints and fractures toward areas of lower elevation at . on site and offsite springs, seeps, s trecfins and lakes. The local Triassic water table aquifer, consisting of the fractured rock and weathered overburden (regolith), is at greatest saturation (highest level) in late winter and early spring prior to _ vegetation leaf-out. Where the water table surface intersects the land surface, springs and seeps occur and stream flow begins. As the season progresses, lower precipitation and greater evapotranspiration lowers the water table causing the points of spring, and seep occurrence and streamflow maintenance to recede downstream. In wet weather standing water, sufficient to support wetland vegetation, occurs at places in the poorer-drained uplands and along the site streams. The poor drainage of the site soils allow these wetland sites to survive between rainfall events, even in the drier parts of the year. The diabase dikes identified to date (greater than 0.5 ft. in width) are on the southern and western part of the site. Approximately eight diabase dikes, ranging in width from about 0.5 ft. to several feet in width and up to 2.5 miles in length, have been located by magnetic traverses. No data are currently available on the existence of dikes having widths below the resolution of the magnetometer suxvey used. Based on information on the hydrology of diabase dikes elsewhere in this basin, a diabase aquifer consisting of a narrow zone of higher permeability is expected to be present on each side of each of these dikes. In addition, the hydrology of the adjacent unaltered sedimentary rocks is expected to be modified by these higher permeability (preferential) pathways. For example, springs may occur on the up gradient side of diabase dikes where they cross site hollows. Further, no information is Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 23 presently available on the hydrologic significance of any smaller diabase dikes not identified with the current recon_naissance surveys. Overburden (weathered rock and soil) thicknesses for the three precharacterization wells in the Triassic sedimentary rocks range from about 11 ft. to 32 ft. and average . about 26 ft. Based on two sets of measurements made in three monitoring wells in late 1989 and early 1990, the site water table is reported to range from about 16 ft. to about 21 ft. below the ground surface (Site Characterization Plan). THE SPECIAL HYDROGEOLOGY OF FRACTURED ROCKS The principles of evaluation of the occurrence, storage, and movement of groundwater has evolved from our understanding of groundwater in fairly homogeneous, granular, permeable materials such as unconsolidated sands and permeable sandstones. Indeed, groundwater scientists consider flow and transport of contaminants in fractured rock to be one of the most difficult, and as yet, unsolved problems of the profession. The initial mathematical groundwater flow equation was developed by Henri Darcy in the 19th Century. Darcy's Law, which is based on flow through porous media, has served as the basis for predictive models of contaminant migration in groundwater systems. However, Darcy's law is not applicable to flow through individual fractures or fracture systems. Gale (1982-A), a principal and well known fractured-rock researcher, states "The hydro geologic characteristics of fractured argillaceous and crystalline rock masses are poorly understood." In another publication, Gale (1982-B) states "The sparse data base, lack of agreement on the appropriate conceptual models, and difficulty in conducting field studies in low-permeability fractured rocks require that calculations of total-flux (flow) and transit times (velocity) in such rock masses be supported and confirmed by other lines of evidence, including geochemical and isotopic data." This is due to poor correlation of measurable data Feasibil_ity -LLR W Storage Wake/Chatham Site Chatham Co. Page 24 to the hydraulic character of the overall rock mass. Such data are not yet available for the Wake/Chatham site. Freeze and Cherry ·(1979) note that " ... although contaminant transport in fractured geologi.c materials is governed by the same processes as in granular media--namely, advection (vertical or horizontal flow), mechanical dispersion (change in concentration in different directions caused by changes in velocity of flow), molecular diffusion (diffusion of molec1Jles), and chemical reactions--the effects in fractured media can be quite different." Robertson (1984), who studied the problems of existing LLRW sites for the U.S. Geological Survey (USGS), found that "Hydrologic complexity has been a problem of varying magnitude at many sites. It simply means the sites proved to be physically more complex than originally anticipated, so that long-term (or even short-term) predictions were found to be in error." He concluded that the problems found at existing sites (including hydrologic complexity) " ... can contribute and has contributed to the migration of waste radionuclides away from burial sites at faster rates or in different directions than expected." His recommended solution was that such problems " ... could be reduced by avoiding media dominated by secondary features (fractures) or complex stratigraphy." Flow in fractured rocks is through the interconnected but discontinuous joints and fractures that bound impermeable or relatively impermeable blocks of rock, as opposed to flow in granular materials, which is through the pore spaces between individual grains. Large differences in scale and geometry exist between the two flow environments. A small volume (for example, a 1-inch cube) of homogeneous material such as sand or sandstone, but which is quite large in comparison with its microscopic pores, can be statistically representative of the whole aquifer. That is, there are no further statistically significant variations in physical parameters of the sample with an increase in size of the sample. In contrast, an equivalent-sized volume of fractured rock could be all rock or mostly fracture opening, depending on where the sample was taken. The volume of fractured rock Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 25 containing all of the representative properties of the larger rock mass could be hundreds or thousands of feet in each dimension, or it might not exist at all (Domenico and Schwartz, 1990). This variation in parameters presumably gets smaller (Domenico and Schwartz, 1990) as the volume of the fractured rock sample gets larger until finally one has a representative elementary volume (Bear, 1972). However, there is some question among researchers whether a representative volume of fractured rock can ever be obtained. That is, the scale of heterogeneity increases along with the increase in sample size (Domenico and Schwartz, 1990). Certainly, as the sample size gets large enough to include the edge of the individual geologic formation, or expand beyond the end of a stratigraphic facies (unit of rock having the same physical character throughout, such as a medium-grained, clean sandstone) or include the edge of diabase dikes or expand into the location of a different tectonic element, the degree of heterogeneity increases once again. This phenomenon creates serious problems in designing aquifer tests and in groundwater modeling in fractured Triassic rock. That is, the model is only as good at prediction as the data is of representing the actual field situation. Research indicates that the individual geometry of a fracture has much to do with the type and volume of flow along the fracture. Also, the attitude and direction of discrete fractures is of extreme importance to the safety of an LLR W repository. It is not the average flow velocity derived from modeling that is critical to siting on a fractured rock site, but the maximum velocity and path of radionuclides along any one individual fracture conne_cted to the biosphere. Because the attitude, geometry, and path of individual fractures cannot be determined without completely trenching and/or excavating (destroying) the site, it is tempting to use "reasonable" values. Davis (1984) states " ... The calculation of travel time, unfortunately, is commonly accomplished only by assuming 'reasonable' values for a number of critical factors. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 26 Using different assumptions, hydrogeologists can calculate travel times for waste from the same repository that may vary from one another by an order of magnitude or more. This is particularly true of irregularly fractured [as at the Wake/Chatham site] metamorphic and plutonic igneous rocks." Said another way, although the modified Darcy equation: Where: K = hydraulic conductivity I = hydraulic gradient, and 8 = fracture porosity v= KI/8 has been used to compute average velocities in fractured media, it provides no indication of the velocities in individual fractures (Freeze and Cherry, 1979). Therefore, the transport velocity of groundwater contaminants along the "critical fracture" cannot be adequately predicted. These two researchers further state that "It can be expected that the dispersion of solutes during transport through many types of fractured rock cannot be described by the equations developed for the homogeneous granular materials .... The scale at which this (mathematical analysis of dispersion in granular materials) approach becomes valid in the analysis of field situations is not known." Attempts to correlate secondary mineralization along fracture faces in fractured crystalline rock to the chemical nature of the contaminants from a hazardous waste site in North Carolina have been completed by Headd and Nelson (1992, Written Communication). This research has centered around attempts to predict the vertical distribution of contaminants due to deep circulation in the fractured rocks. Correlation with water quality data from zones in the same fractured rock matrix has been inconclusive. Based on this data, it appears that contaminants in fractured rocks do not move as a contiguous plume or slug but along randomly interconnected fractures in the fracture matrix. Anderson (1984) notes that the " ... application of dispersion analysis to contaminant transport in fractured rock is in its infancy ... ". She further notes that diffusion into the rock matrix can retard the movement of contaminants and that dispersion along a fracture can " ... significantly accelerate the arrival of contaminants at a discharge point ( even) when velocities in the Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 27 fractures are low." Thus, because of the many physical and chemical variables, and the infancy of the science, even the best data may not impart much certainty or confidence to predictions of contaminant travel time. Experiments by Witherspoon (1980) indicate that the size of the fracture aperture and fracture roughness are important fracture parameters with which his "Cubic Law" can be used to estimate the velocity of flow. It is important to remember that both roughness and aperture constantly vary along and between fracture sets and cannot be measured beyond the surface outcrop or the well bore. Gale (1982-A) summarizes the problem quite aptly: It is now becoming quite clear that to obtain a greater insight into flow through fractured rocks one must have a firm understanding and careful description of the characteristics of the rock system. Without such description and a clearer understanding of the role of fracture interconnection very little real progress can be made in determining the velocity distribution of fractured rocks and hence the dispersion and diffusion of a contaminant and the pathways it follows in moving through fractured rock masses. Hence, NRC guidance documents advise avoidance of fractured rock sites. THE SPECIAL PROBLEMS IN MODELING FRACTURED ROCKS The modeling of groundwater flow through fractured rock has been approached by recent researchers in at least two principal ways: (1) modeling of the flow by accounting for the flow through individual fractures or sets of fractures and (2) by treating the intersecting joints and fractures as a continuum which can be represented mathematically as an equivalent porous medium (EPM) (DeMarsily, 1986; and Domenico and Schwartz, 1990). Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 28 According to Domenico and Schwartz, modeling of flow through individual fractures or sets of fractures gives rise to several problems. First, data is needed on the orientation, fracture density, degree ofinterconnection, aperture size, roughness of fracture walls, etc. Second, flow may be turbulent or laminar depending on size of the fracture. If turbulent, Darcy's Law no longer applies. Third, the hydraulic conductivity of the fractures will vary with changes in the rock stress field and the fluid pressure. For example, the size, width, and shape of the fracture changes with depth because of the weight of the overlying rocks. A major impediment to testing fracture flow models is the difficulty of obtaining field data that accurately describe the hydrogeologic characteristics of the insitu (in place) fractured rock (Anderson, 1984). The hydrogeologic and hydraulic characteristics of a water bearing strata required for model development are usually determined from actual field testing such as slug or pump tests and/or dye tracer studies. Detailed pump tests in fractured rock aquifers (including Triassic sedimentary rocks) have been conducted by Nelson (1986, 1987, and 1990). These tests clearly indicate extreme variation in the hydraulic properties between individual fractures and fracture systems. Due to these variations, predictions of contaminant flow have been unreliable when correlated with water quality test data. Additionally, attempts to correlate known extent of contaminants in the groundwater system with predicted migration distances from velocity data, collected during the field hydraulic tests, showed wide variations in both rate and predicted pathway migration directions. The second approach (No. 2, above) assumes that extensive fracturing exists which, at a large scale, may be represented by a mathematical continuum. Because large volumes of fracture rock are necessary to have some semblance of a sample having uniform characteristics, the testing program must be large scale. There is, of course, the problem of whether these conditions of equivalence are ever achieved in the real world. Domenico and Schwartz (1990) state that " ... the conditions for a continuum approach to fluid flow in intergranular porous media are seldom, if ever, challenged. Such is not the case for fractured rocks." Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 29 If the intervening blocks have any effective porosity then we have a "double porosity" model in which the behavior of the system in both cases will be different according to whether the system is under steady or transient hydraulic stress. That is, in the transient case, two different pressures exist; one in the fractures and one in the intervening blocks of rock. As a result, the transmission of pressure change (and flow) within the fractures is much faster than in the matrix of the rock blocks. (DeMarisly, 1986). Schmelling and Ross (1989) described the state of the art of modeling fractured rock in the following terms: "The development of predictive models for groundwater flow and contaminant transport in fractured rock systems is an active area of research, but field-validated models that are directly applicable to the remediation of contaminated sites are not yet available. Nonetheless, when used with appropriate site characterization data, the available models can be helpful in developing a qualitative (rather than quantitative as required by NRC guidelines) understanding of the behavior of the fractured rock system and the interactions of contaminants with the system. Because of the heterogeneous and anisotropic (having different physical properties in different directions) nature of fractures in the subsurface, the data requirements for modeling the movement of water and ce-ntami-nants in fractured media are somewhat different than the requirements for modeling more homogeneous unconsolidated porous media. The development of techniques to characterize the hydro geologic properties of fractured rock systems has proceeded in parallel with the development of models. These techniques are often more complex and more difficult to interpret than analogous techniques used in unconsolidated media. There are at least four categories of models to describe flow and transport in fractured rock systems: (1) Models developed for use in unconsolidated porous media have been successfully applied to certain fractured rock systems. These models consider the fractured rock system as an equivalent porous medium (EPM). EPM models are more likely to accurately predict ground-water flux ( overall rate of movement through the rock mass) than to correctly predict solute transport (Endo et al., 1984 with emphasis added). (2) A second category of fractured rock models explicitly considers discrete fractures. The extensive data required by discrete fracture models for fracture system characterization limit their use to small sites with a relatively low number of well- Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page JO defined fractures. (3) A third category of models represents the fractured system by a set of matrix blocks of well-defined geometry. Such models are largely research tools that are useful for enhancing our conceptual understanding of pollutant transport in fractured rock. ( 4) A fourth category of models uses a stochastic approach to describe the fracture distribution. At the present time these are research models. It is important to note again that the choice· of an appropriate model depends on the conditions present at the site, and on the decision to be reached by using the model.. Development of models to enhance understanding of and to predict contaminant transport in fractured rock systems continues to be an active area of research. Reliable, field-validated models that can be used to predict the results of clean-up scenarios at contaminated sites are not yet available ( emphasis added)." Thus, Schmelling and Ross are saying that there are four principal ways to do modeling in fractured rock. The first was developed for homogenous and isotropic rocks (aquifers). (The Triassic rocks of this site are neither). The third and fourth methods are still research methods useful for conceptual (not actual) understanding of the flow of water in fractured rocks. We are left with the second method; the EPM approach. The EPM (only "simple" mathematical model for fractured rock systems) method uses a mathematical surrogate (the equivalent porous media) to represent a unit volume of rock containing all of the physical variables of the hydrologic unit being tested. The problems of defining and testing the unit volume of representative fractured rock and approximating its overall characteristics in terms of porus media flow characteristics have been previously discussed. The EPM method is most valid when the density and interconnectivity of the fractures are great in comparison to the size of the unit rock mass being modeled. The EPM model should, under these ideal circumstances, predict the mean response of the aquifer. It cannot and is not designed to predict the velocity or direction of flow along discrete fractures. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 31 DEGREE TO WIIlCH THE WAKE/CHATHAM SITE MEETS REQUIREMENTS FOR WASTE ISOLATION Capable of Being Characterized The Wake/Chatham potential site is neither geologically nor hydrologically simple (as preferred by Regulatory Guide 4.19). The strata change both rapidly vertically and horizontally. The Triassic basin in which this site is located has been tilted, faulted in several directions, and invaded by several episodes of diabase intrusion. See discussion in Bain and Harvey, 1977 and the section on Regional Triassic Geology contained herein. Fractured bedrock is the most difficult of all geological terranes (group or suite of rocks) to characterize hydrologically. The present development of the science of hydrogeological modelling is not sufficiently advanced to accurately predict the location and/or rate of groundwater movement and to identify which are the most critical fracture(s) along which radionuclide bearing groundwater may first enter the biosphere. Similarly, the fracture complexity of the site may be such that monitoring programs are ineffective in promptly indicating whether a leak has occurred. Natural Resources The site area contains economic deposits of weathered rock and clay which are used locally in brick manufacture. Deposits of coal, oil and gas, present in a nearby basin, may also occur on site. Site Drainage This site contains soils of low permeability, has low drainage gradients, and is bordered on one side by an artificial lake for the Shearon Harris nuclear facility . Consequently, there are Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 32 numerous wet and poorly drained areas that have fostered the growth of wetland vegetation and which demonstrate how poorly the site is drained. Depth to Water Table Being in a low lying area, underlain with poorly permeable rocks, and now having an artificially higher groundwater discharge level (into Harris Lake), this site has a shallow water table which may be readily impacted by breaches in the engineered containment. Groundwater Discharge The necessary data are not yet available to determine groundwater discharge points (springs and seeps),--including seasonal positions of the water table, the reaches of the site streams maintained perennially vs. seasonally, or the age of groundwater present in on site streams. However, the shallowness of the water table, the extent to which drainages penetrate into the center of the site, and evidence from infrared photography indicate that groundwater may discharge on site. Tectonic and Geomorphic Processes This site is not in a tectonically active area as determined in the FSAR (Final Safety Analysis Report) for the nearby Shearon Harris nuclear plant. However, tectonic activity and the intrusion of diabase dikes in the geologic past has caused extensive fracturing of the underlying sedimentary rocks. The existing dike and fracture systems may significantly affect the ability of the site to be accurately modeled and/or monitored. As stated by Bedinger, (1989) in his study of the performance problems of U.S. LLRW sites: "Consolidated sedimentary ... rocks are not considered suitable host media because of the likelihood of fractured or channel-like flow paths." Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 33 CASE HISTORIES OF LLR W STORAGE IN TIIE U.S.A. Until 1962 storage of LLRW was at Federal facilities (Savannah River Plant, South Carolina; Pallas Forest Preserve, Illinois; Oak Ridge National Laboratory, Tennessee; and the Nevada Test Site). Since 1962, six commercial sites have been established at Maxey Flats, Kentucky; West Valley, New York; Richland, Washington; Sheffield, Illinois; Beatty, Nevada; and Barnwell, South Carolina. All of these _sites used shallow land burial technology. Details regarding these sites are summarized in Berlinger (1989), Barron (1989), Ryan (1988), Healey et al (1985), and McDonald (1984). Most of these sites have already failed; far short of the 300-to 500-year req:uirement for waste isolation. A notable exception is the Beatty, Nevada, site where the depth to groundwater ranges from 279 to 377 ft. below the land surface and the annual rainfall is 4.48 inches. By contrast, annual rainfall at the Wake/Chatham site is approximately 46.5 inches, and the water table is less than 25 ft. deep. Early technol9gy utilized trenches excavated in fine-grained, low permeability materials which were capped with fine-grained low permeability clays to exclude water. The object was to contain the waste in a medium that would not allow transport of the radionuclides away from the site in the groundwater. However, because of differential settlement and desiccation and cracking of the clay cap, the caps leaked. This caused the trenches to fill up like a bathtub, permitting saturation and leaching of the waste. The Oak Ridge National Laboratory, Tennessee, disposal cells were sited over both limestone and shale. Considerable evidence has accumulated that radionuclides have been transported by groundwater to nearby streams via rock joints and fractures. Trenches at the Maxey Flats, Kentucky, site were excavated in the weathered regolith above fractured shale and sandstone (similar in many respects to the Triassic basin in which the Wake/Chatham site is located). Radionuclides have migrated from the site through the Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 34 fractured sandstone and overland through surface water transport. Tritium has been detected in the major drainageway on site and in offsite streams. The West Valley, New York site is located on low-permeability glacial clay and till. Although groundwater travel time to the nearest creek was estimated to be 800 to 2800 years, failure of the cap caused saturation of the waste and subsequent leakage to the surface. The Sheffield, Illinois, site is underlain by glacial outwash deposits. Although cap failure has caused leaching of the waste, the trenches have not filled up, as in other cases, because of the higher permeability of the underlying sediments. Instead, Tritium has migrated at a rate of at least 7.6 meters (25 ft.) per year and has been detected in a nearby strip mine lake. The Barnwell, South Carolina site is located on the eastern edge of the Savannah River Plant. Trenches have been constructed in the bottom part of the unconsolidated Hawthorn Formation. Tritium has migrated from the trench and has been detected above background as far as 75 meters away. Tritium has been estimated to take a minimum of 50 years to migrate the 350 feet distance to Marys Branch and is to be near background levels at that time because of radioactive decay, dispersion, and dilution. It is important to note that this is not a fractured rock site; the future will document the accuracy of the estimates of time of breakout and concentration. LLRW has been buried at Beatty, Nevada, since 1962 with no known problems. Principally, this is because evapotranspiration (loss of groundwater through transpiration by plants and evaporation from the soil) greatly exceeds precipitation, resulting in no infiltration of water and, therefore no means of groundwater transport. Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 35 Lessons Learned Thirty years of experience with leaking LLR W disposal sites has caused scientists to reevaluate the hydrologic principles governing the long-term isolation and monitoring of radionuclides and has led to a stricter set of codified siting and licensing procedures. Climate has come to be recognized as the single most "important factor affecting the potential safe performance of an LLRW site. Ideally, all U.S. LLRW sites should be in the arid Southwest. However, the Low-Level Radioactive Waste Policy Act passed by Congress in 1980 made each State responsible for its generated waste. Since then, most states have formed regional compacts similar to the Southeast Compact of which North Carolina is a member. Siting an LLRW facility in the humid East means that there will be short-travel'-time transport of the radionuclides to a shallow water table, that the threat of excess infiltration will be a constant problem, and that potential flooding and erosion are always of concern. The unanticipated failure of past LLR W sites and the unpredicted rapid travel of radionuclides away from existing LLRW cells sited on or above fractured rock leads to at least three critical observations. First, siting on fractured rock may be an invitation to disaster because of the difficulty of characterizing and modeling geologically and hydrologically complex sites and because of the consequent inability to predict groundwater velocities along fractures with any precision. Second, it confirms an often stated observation in the literature that the science of fractured rock hydrology is in its infancy. Thirdly, that failures have occurred at LLR W sites, which computer modeling did not predict, brings into serious question our ability to do predictive modeling. Obviously, an extension of these observations is that at sites underlain by fractured rocks it is not the average groundwater velocity predicted from modeling that is the critical design velocity. Rather, it is the velocity along that one single fracture or fracture system at an Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 36 LLR W cell which has the greatest combination of water pressure, shortness of flowpath to the biosphere, and permeability ( ease of flow). Also, we must recognize that the geologic sciences do not have a giant CAT scan suitable for accurately locating and characterizing that one critical fracture. In fact, one cannot accurately characterize those few critical fracture pathways without completely excavating ( and thereby destroying)-the site to expose the pertinent fractures. We have also learned that the siting of LLRW sites m fine-grained materials of low permeability (such as the Triassic) and capping them with clay are procedures that must be used with extreme caution. Although fine-grained, low-permeability materials retard the movement of radionuclides, excavations in such materials have historically more frequently functioned as a "bath tub" that fills up with water, leaches the waste, and spills over at the land surface. Clay caps were also found not to be the perfect solution for preventing infiltration, as once thought --a lesson still being learned by the municipal landfill industry. The combination of differential settlement of the stored LLRW and the desiccation of the clay cap has, in several instances, caused rather than prevented increased infiltration and subsequent leakage. Basically, these past experiences in LLR W storage have taught that a successful site in the humid East must have a geologically suitable host terrane. The "ideal" safe site should be permeable enough to drain water away from the cell faster than it accumulates but in a geologic medium which drains leachate slowly enough through a sufficiently large mass that radionuclides do not reach the biosphere before 500 years of radioactive decay have taken place. Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 37 LOCAL .TRIASSIC HAZARDOUS WASTE INCIDENTS The Triassic rocks of the Durham Basin underlie numerous industrial sites. So~e of these facilities have experienced releases of toxic and hazardous materials which have contaminated local groundwater supplies. In some of these instances contaminants have moved great distances, seemingly against the local gradient and in unpredicted directions. The following examples illustrate the problems of predicting, monitoring, aild controlling the movement of contaminants in fractured Triassic rocks of the Durham Basin as well as those of the Wake/Chatham site. IBM Site The IBM facility, in the Research Triangle Park, has been the location of several hazardous waste releases. Two 5000-gal. tanks containing trichloroethane (TCE) leaked prior to 1981. A barrel of perchloroethylene was spilled in 1988, and three waste lagoons may have leaked. In 1989, seven of the 25 peripheral site monitoring wells were reported to be contaminated. The IBM site is underlain by sedimentary rock,s of Late Triassic age which are intruded by diabase dikes of Jurassic age. Several diabase dikes have been mapped on this property by consultants making an assessment of the extent of the TCE contaminant release from this facility. TCE contamination has been found in a private well located about 2500 ft. or more from the spill location at the IBM facility. Subsequent pump tests of wells drilled on IBM property as part of that assessment demonstrated the existence of high permeability paths between wells located next to diabase dikes. The pump test results did not prove or disprove that contamination at the private well came from the IBM TCE spill. The pump tests did demonstrate that high permeability paths exist between wells near separate diabase dikes where no dike interconnection has been mapped. Pump tests and well Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 38 drilling affected at least one well where no diabase was noted in the well bore. Significant drawdown influence was noted between wells that ranged from about 540 to 1010 ft. apart. Observations by consultants at the IBM facility have-noted that significant drawdowns of groundwater occur rapidly in other wells at great distances from the pumped wells. Cyclic water levels recorded in one site well (M-10-300) demonstrate that at least this well is in the drawdown cone of influence of some, as yet, unidentified well. · Because cyclic fluctu~tions can not be identified as being caused by any well on the IBM facility, IBM believes the source of the cyclic fluctuations is some distant well offsite. The above tests demonstrate: (1) that drawdowns occur over great distances in the Triassic rocks and (2) that high permeability paths in the Triassic rocks exist, not only along diabase dikes, but also in the sui::rounding Triassic sedimentary rocks. Koppers Co. Superfund Site This site, consisting of about 52 acres, is located about one mile northwest of Morrisville near the Raleigh-Durham airport in a populated area of Cedar Fork Township, Wake County. The Koppers Co. wood treating plant was designated a potential hazardous waste site in 1980. This site is currently on the NPL list. During the 1960's and 1970's chemicals such as Pentachlorophenol (PCP), isopropyl ether (IPE), and others w_ere used to treat wood. Commercial grade PCP and IPE used at this site also contained small amounts of dioxins and furans. Fish kills have been found in on site holding ponds. Both PCP and IPE have been detected in offsite domestic wells, particularly to the northwest and north of the site. This site is underlain by fractured Triassic rocks similar to those of the Wake/Chatham LLR W site. The topography ranges from nearly flat bottomland to gently sloping upland. Soils Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 39 consist of a thin veneer of silty clay; clayey silt; and minor amounts of fine sand, gravel and rock fragments. Bedrock is not usually deeper than 25 ft. and similar to the Chatham LLR W site, the average depth to the water table is less than 30 ft. Surveys conducted in 1988 and 1989 found 29 contaminated area wells. Local residents are now being supplied with bottled drinking water. By 1990, hazardous chemicals were being reported in wells up to 1.4 miles from the site in directions opposite to the initial direction shown for groundwater flow and opposite to the direction of surface water flow. The rapid and widespread contamination of some area wells but not all area wells demonstrates that contaminants are traveling along fracture systems or other high permeability paths which intersect some wells but not others. This site exemplifies the unpredictable nature of contaminant travel and has special significance for those who would attempt to model contaminant transport in the fractured Triassic sedimentary rocks. General Timber Company General Timber is a wood preserving facility located in a very rural section of Chatham County near Gulf, North Carolina. The site lies in the Sanford Triassic Basin as described by Reinemund (1955). The plant is now under the jurisdiction of the Resource Conservation and Recovery Act (R~RA) as an operating hazardous waste disposal site. Over the past thirty years, wastewaters and sludges from wood treating with creosote and inorganic salts have been placed in shallow, unlined surface impoundments and land applied. Hydrogeological investigations conducted over the past 10 years have confirmed widespread migration of contaminants in the groundwater beneath the 100-acre site. The area is wholly underlain by fractured Triassic sandstones, shales and coal seams. Movement of the contaminants have not correlated well with mappable fracture and joint patterns in the Feasibility -LLR W Storage Wake/Chatham Site Chatham Co. Page 40 vicinity of the plant. Rates of pollutant transport and horizontal distribution of contaminants greatly exceed those based on known gradients, predicted velocities, and measured permeabilities. Complicating the predicted directional flow pathways and rates are "traps" caused by large variations in regolith depth over short distances which have retarded movement of contaminants in some locations. Additionally, strong directional transmissivity along some fracture sets results in "preferred" migration pathways that are independent of local and regional strike and dip (direction and inclination of strata) of the underlying bedrock. The physical and chemical nature of creosote contaminants result in three-phase contaminant migration. Each phase exhibits different characteristics resulting in a wide variation in vertical and horizontal distribution of contaminants in the regolith and fractured rock aquifer system. This variation in transport behavior can also be anticipated at LLRW sites because multiple radionuclide types will be disposed of. Each of these will also have independent migration characteristics. This complexity of geology, hydrology and contaminant transport in the fractured Triassic rock at the General Timber Company has resulted in only limited success in predicting preferred travel pathways and rates of contaminant emission from the site in spite of continuous, long-term assessment of the site. These three examples demonstrate that the rate and direction of movement of contaminants in the local Triassic rocks is unpredictable and occurs in fractures not necessarily related to diabase dikes. CONCLUSIONS The hydrogeologic complexity of existing fractures and discontinuities, including those associated with diabase dikes, is such that it is not feasible to determine their location and Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 41 distribution accurately prior to construction. In addition, the limitations of the state of the art of modeling of flow through fractured rock are such that mathematical modeling cannot accurately predict the pathway or rate of contaminant transport. Further, the fracture complexity of the rock medium may be such that monitoring programs are ineffectual in promptly indicating whether a breach of the engineered containment has occurred. Therefore, the existing dike and fracture systems will likely seriously compromise the ability of the site to be accurately modeled and subsequently monitored. Based on review of the available data, technical literature, and applicable guidelines and regulations; it is concluded that the Wake/Chatham County site is a complex site from a hydrogeological standpoint, fails to meet the requirements of some NRC and State guidelines, may not be modelable or monitorable with the precision and confidence needed for accurate prediction of the long-term fate of radionuclide contamination and, therefore, is likely an unsafe and unlicensable site. Feasibility -LLRW Storage Wake/Chatham Site Chatham Co. Page 42 REFERENCES Ackerman, H.D., Bain, G.L., and Zohdy, A.AR., 1976, Deep exploration of an East-Coast Triassic basin using electrical resistivity: Geology, v. 4, no. 4, p. 137-140. Allen, R.T., 1908, The Triassic rocks of the Wadesboro Area [M.S. Thesis]: University of . North Carolina, Chapel Hill, N.C. Anderson, E.M., 1951, The dynamics of faulting and dyke formation, with applications to Britain, 2nd ed.: Oliver and Boyd, 206 p. 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Stoddard, E.F., Horton, J.W.k, Jr., Wylie, A.S., Jr., and Blake, D.E., 1986, The western edge of the Raleigh belt near Adam Mountain, Wake County, North Carolina, in Neathery, T.L., editor, Southeastern Section of the Geological Society of America: Geological Society of America Centennial Field Guide, v. 6, 457 p. Streltsova, T;D., 1982, Well hydraulics in vertically heterogeneous formations: Journal of the Hydraulics Division, Procee...,dings of the American Society of Civil Engineers, V. 108, No. HYll, pp. 1311-1327. Streltsova, T.D., 1976, Hydrodynamics of groundwater flow in a fractured formation: Water Resources Research, V. 12, No. 3, pp. 405-414. Sumner, J.R., 1977, Geophysical investigation of the structural framework of the Newark- Gettysburg Triassic basin, Pennsylvania: Geological Society of America Bulletin, v. 88, pp. 935-942. 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Page 58 Wyrick, G.G., and Borchers, J.W., 1981, Hydrologic effects of stress-relief fracturing in an Appalachian Valley: Geological Survey Water Supply Paper, No. 2177, 51 p. Zablocki, F.S., 1959, A gravity study of the Deep River Wadesboro Triassic basin of North Carolina, [Unpub. Master's Thesis): University of North Carolina, Chapel Hill, N.C., 44 p. Feasibility -LLR W Storage Wake/Chatham Site Chatham Cq. Page 59 APPENDIX I GEORGE L. BAIN, P.G. Principal and Senior Geologist Professional Ex periences/Summary Mr. Bain .is a resident of Randolph County and is a principal in the firm of Bain, Palmer & Associates, Inc. located in Greensboro, North Carolina. Mr. Bain has 32 years of professional .experience. He has prepared numerous site assessments for various facilities including over 25 landfill expansions, 2 county-wide searches, 13 landfill closures, and 2 remedial plans. He is skilled in the application of hydro geological, topographical, land-use, historical/archaeological, and regulatory criteria to the selection of potential landfill sites. He routinely represents the firm at public information meetings and at citizen site- selection committee working sessions. S pecializations Application of geology, hydrology, and geophysics to the siting, design, and remediation of engineered facilities. Em plo yment Histo ry Bain, Palmer & Associates, Inc. Hatcher Inc. EBASCO Services, Inc~ U.S. Geological Survey Education 1987 -Present 1984 -1987 1979 -1984 1960 -1979 West Virginia University -BS Geology, 1958 West Virginia University -MS Geology, 1959 University of Arizona -Certificate, Hydrology, 1963 N.C. State University -Geophysical Studies, 1978 Professional Affiliations Re gistrations Geological Society of America Association of Engineering Geologists Carolina Geological Society -Past President Registered Geologist -California -No. 3712 Registered Geologist -Georgia -No. 670 Registered Geologist -North Carolina -No. 5 American Institute of Professional Geologists -Past Section President N.C. Geologist Licensing Board \ .' DETAILED PROFESSIONAL EXPERIENCE Since 1987, Mr. Bain has been a principal in the environmental consulting firm of Bain, Palmer & Associates, Inc. His duties include: principal responsibility for management of all solid waste site assessments; planning and supervising installation of monitoring well networks at waste sites; managing, planning, and supervising environmental audits, ground water investigations, and other geologic work; and responsibility for day-to-day management of _the firm's long-range planning, staffing and business development. From 1984 through 1987 Mr. Ba"in was employed by Hatcher Incorporated as a geo- hydrologist. His responsibilities included: supervising installation of post-closure monitoring facilities, remedial wells, and drainage galleries at RCRA and CERCLA (Superfund) sites; designing, reviewing, and interpreting geophysical and geohydrologic surveys of industrial real estate for environmental liability; and helping develop staff, clientele, and equipment for entry into the environmental investigative and remediation market. From 1978 through 1984 Mr. Bain was employed by Ebasco Services, Inc. as a Project Manager, Lead Hydrologist/Geologist, team member of nuclear/fossil fuel power plant siting investigations and Final Safety Analysis Report reviews. He was also responsible for equipping and managing of their nuclear borehole logging capability. From 1960 through 1978 Mr. Bain was employed by .the U.S. Geologi~al Survey. His positions included: (1) Project Chief of East Coast Triassic Waste Disposal Feasibility Study; (b) Chief of Morgantown, West Virginia Subdistrict Office; ( c) Project Chief of Little Kanawah River, West Virginia, Basin Study; ( d) Project Chief of New Hanover County, North Carolina Water Resources Study; (e) Project Chief of Durham, North Carolina Area, Geologic and Water Resources Reconnaissance Study; and (f) Reviewer -Geologic Names Review Staff. Mr. Bain has worked as a geologist and hydrogeologist in the State of North Carolina for 24 of his 32 years of professional experience. Seven of those years were related to one U;S. Geological Survey project concerned with determining the suitability of the East Coast Triassic rocks for waste storage. Most of that investigation centered on the Durham Triassic sub-basin of North Carolina. He began his career in North Carolina with a reconnaissance study of the groundwater resources of Chatham, Durham, Randolph, Orange, and Person Counties and also completed a geohydrologic study of New Hanover County. While employed with Ebasco in the 1980's in Greensboro, North Carolina, he was the senior consulting hydrogeologist there. At the Greensboro office of Ebasco he was involved, principally, with siting studies for nuclear and fossil fueled power plants and the preparation and review of Final Safety Analysis Reports ("FSAR") in the United States and foreign countries. Mr. Bain's Master's thesis project consisted of a mapping and petrographic examination of the dikes and sills of the Triassic of the Nokesville, Virginia 7-1/2' quadrangle. He worked at Ebasco Services, Inc. at the time the Shearon-Harris FSAR was being prepared and participated in some of the investigations of the local Triassic rocks. Mr. Bain has led several field trips for his colleagues wherein the geologic sites of the Piedmont and Triassic rocks of Chatham and or Wake County were visited. He has visited and examined all exposed Triassic basins in the eastern United States. His work in Durham Basin included: a. seismic reflection profiling for basin depth and structure; b. resistivity/electrical sounding and profiling for basin depth and structure; c. surface reconnaissance mapping to determine basin stratigraphy, structure and degree of faulting; d. constructio~ of a deep stratigraphic test at New Hill (Shearon-Harris site vicinity); e. conducting numerous packer tests in the New Hill deep test well; f. conducting numerous sophisticated borehole logging and geophysical tests to determine the subsurface character of the sedimentary pile in the Durham basin; g. making over 2000 gravity measurements to aid in determining the structure of the Durham basin;