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HomeMy WebLinkAboutWQ0007628_Final Permit_19930608State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director June 8, 1993 Mr. Paul Cousineau Chief Financial Officer Kidde-Fenwal, Inc. 400 Main Street Ashland, MA 01721 Dear Mr. Cousineau: N15VA E)EHNR Subject: Permit No. WQ0007628 Kidde-Fenwal, Inc. Walter Kidde Facility Groundwater Remediation Wake County In accordance with your application received on March 3, 1993, we are forwarding herewith Permit No. WQ0007628, dated June 8, 1993, to Kidde-Fenwal, Inc. for the construction and operation of the subject groundwater remediation and injection well disposal facilities. This permit shall be effective from the date of issuance until May 31, 1998, and shall be subject to the conditions and limitations as specified therein. Please pay particular attention to the monitoring requirements in this permit. Failure to establish an adequate system for collecting and maintaining the required operational information will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable to you, you have the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. P.O. Box 29535, Raleigh, Norte, Carolina 27626-0535 Telephone 919-733-5083 FAX 919-73.' 9919 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper If you need additional information concerning this matter, please contact -Randy Jones at 919I 733-5083. Sincerely, , {� A. Pres6h Howard, r., P.E. cc: Wake County Health Department Raleigh Regional Office, Water Quality Section Raleigh Regional Office, Groundwater Section Jack Floyd, Groundwater Section Terra Vac (1555 Williams Dr., Suite 102, Marietta, GA 30066) Facilities Assessment Unit Training and Certification NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES RALEIGH INFILTRATION GALLERY PERMIT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Kidde-Fenwal, Inc. Wake County FOR THE construction and operation of an 8640 GPD groundwater remediation and injection well disposal facility, which consists of three forty foot deep vacuum extraction wells with a submersible pump, a vapor/liquid separator, a vacuum extraction unit with a 60 CFM blower, a 5 GPM tray aeration system (air from blower enters lower portion of unit and rises through holes in flow tray; groundwater enters the upper portion of the unit and cascades to a sump via the flow tray; crossflow between the air and water straps the VOC's from the water and discharges them through a stack), three injection wells, and all other appurtenances to serve the Kidde-Fenwall, Inc. Walter Kidde Facility with no discharge to the surface waters, pursuant to the application received March 3, 1993, and in conformity with the project plan, specifications, and other supporting data subsequently filed and approved by the Department of Environment, Health and Natural Resources and considered a part of this permit. This permit shall be effective from the date of issuance until May 31, 1998, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS Upon completion of construction and prior to operation of this permitted facility, a certification must be received from a professional engineer certifying that the permitted facility has been installed in accordance with this permit and the approved plans and specifications. Mail the Certification to the Permits and Engineering Unit, P.O. Box 29535, Raleigh, NC 27626-0535. 2. The Raleigh Regional Office, telephone number 919I571-4700 shall be notified at least forty-eight (48) hours in advance of operation of the installed facilities so that an in -place inspection can be made. Such notification to the regional supervisor shall be made during the normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State Holidays. 3 . This permit shall become voidable and may be rescinded unless the facilities are installed, maintained, and operated in a manner which will protect the assigned water quality standards of the surface waters and groundwaters. 4. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Pern-duee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement treatment or disposal facilities. 5. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or groundwaters resulting from the operation of this facility. 6. Any sludge generated from these treatment facilities must be disposed of in accordance with General Statute 143-215.1 and in a manner approved by the North Carolina Division of Environmental Management. 7. Diversion or bypassing of the untreated groundwater from the treatment facilities is prohibited. II. OPERATION AND MAINTENANCE REQUIREMENTS 1. The facilities shall be properly maintained and operated at all times. 2. Upon classification of the facility by the Certification Commission, the Permittee shall employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the wastewater treatment facilities. The operator must hold a certificate of the type and grade at least equivalent to or greater than the classification assigned to the wastewater treatment facilities by the Certification Commission. The Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with the conditions of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at least weekly and each Class II, III, and IV facility at least daily, excluding weekends and holidays, and must properly manage and document daily operation and maintenance of the facility and must comply with all other conditions of Title 15A, Chapter $A, .0202. Once the facility is classified, the Permittee must submit a letter to the Certification Commission which designates the operator in responsible charge within thirty days after the wastewater treatment facilities are 50% complete. 3. The facilities shall be effectively maintained and operated as a non -discharge system to prevent the discharge of any wastewater resulting from the operation of this facility. III. MONITORING AND REPORTING REQUIREMENTS Any monitoring deemed necessary by the Division of Environmental Management to insure surface and groundwater protection will be established and an acceptable sampling reporting schedule shall be followed. 2. Noncompliance Notification: The Permittee shall report by telephone to the Raleigh Regional Office, telephone number 919/571-4700, as soon as possible, but in no case more than 24 hours or on the next working day following the occurrence or first knowledge of the occurrence of any of the following: 2 a. Any occurrence at the groundwater remedlation facility which results in the treatment of significant amounts of wastes which are abnormal in quantity or characteristic, such as the dumping of the contents of a basin or tank; the known passage of a slug of hazardous substance through the facility; or any other unusual circumstances. b. Any process unit failure, due to known or unknown reasons, that render the facility incapable of adequate wastewater treatment such as mechanical or electrical failures of pumps, aerators, compressors, etc. c. Any failure of a pumping station, sewer line, or treatment facility resulting in a by- pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility. d. Any time that self -monitoring information indicates that the facility is not in compliance with its permit limitations. Persons reporting such occurrences by telephone shall also file a written report in letter form within 15 days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. IV. GROUNDWATER REQUIREMENTS The Compliance Boundary for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. An exceedance of Groundwater Quality Standards beyond the Compliance Boundary is subject to penalty provisions applicable under General Statute 143-215,6(1)a. The sale of property, by the Peru-dttee, which is within or contiguous to the disposal system site may alter location of the Compliance Boundary. For facilities permitted on or after December 30, 1953, the Compliance Boundary is established at the lesser of 250 feet from the disposal site, or 50 feet within the property boundary. If the title to any property which may affect the location of the Compliance Boundary is changed, the Permittee shall notify the DEM Director within 14 days. The Director shall then establish a modified Compliance Boundary which will be done as a modification to the Permit. The REVIEW BOUNDARY for the disposal system is specified by regulations in 15A NCAC 2L, Groundwater Classifications and Standards. A REVIEW BOUNDARY is established around disposal systems midway between the Compliance Boundary and the perimeter of the waste disposal area. When the concentration of any substance equals or exceeds the maximum allowable concentration of that substance at the REVIEW BOUNDARY, as determined by monitoring, the permittee shall either (i) 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, (ii) submit a plan for the alteration of existing site conditions, facility design or operational controls that will prevent a violation of standards at the Compliance Boundary, and implement that plan upon its approval by the Director. 2. Any groundwater quality monitoring as deemed necessary by the Division of Environmental Management shall be provided. 3. The treatment system shall consist of a 3 tray low profile air stripper ("Shallow Tray" model 1331-P as described in the specifications). 3 4. The injection wells shall be constructed of 4 inch schedule 40 PVC and grouted from the top of the screened interval to the ground surface. Each wellhead shall have a gauge to allow measurement of injection pressure. 5. Injection pressures shall not be greater than 2 pounds per square inch (psi), as specified in the application documents. If pressures greater than 2 psi are necessary, the permittee must receive approval from the Raleigh Regional Office Groundwater Supervisor prior to increasing injection pressures above 2 psi. 6. Prior to beginning operation of the system, two new monitoring wells, MW-8 and DW-2 (deep well) as indicated on the attached map, shall be constructed to monitor groundwater quality. The exact location and construction details shall be coordinated with the Raleigh Regional Office and shall be constructed in accordance with the conditions of this permit. Well DW-2 shall be a Type III well and cased into consolidated bedrock. 7. Monitoring wells MW-8 and DW-2 shall be sampled initially after construction for the parameters below. All monitoring wells (MW-1, MW-2, MW-3, MW-4, MW-5, MW-6, MW-8, DW-1, and DW-2) shall be sampled every March, June, September, and December for the following parameters: EPA Method 601 PH TDS Water Levels The measurement of water level must be made prior to sampling for the remaining parameters. The depth of water in each well shall be measured from the surveyed point on the top of the casing. The measuring points (top of well casing) of all monitoring wells shall be surveyed to provide relative elevations of the measuring point for each monitoring well. 8. The influent and effluent shall be sampled every two weeks for the first three months and monthly thereafter using EPA Method 601. 9. The results of the sampling and analysis shall be sent to the Groundwater Section P.O. Box 29535, Raleigh, NC 27626 every April, July, October, and January. Groundwater data should be submitted on form GW-59. Monthly influent and effluent data may also be submitted quarterly along with the groundwater data. 10. Three copies of the influent and effluent data required in condition IV.8 should also be sent to the following address by March 1 of each year: Division of Environmental Management Water Quality Facilities Assessment Unit PO Box 29535 Raleigh, NC 27626-0535 11. Effluent concentrations of contaminants shall not exceed the groundwater standards in 15A NCAC 2L for the specific contaminant. If the treatment system fails to produce an effluent that complies with 15A NCAC 2L, the Division may require the construction of additional treatment units. 12. All components of the groundwater recovery, treatment and disposal system shall be properly weather -proofed to prevent freezing and failure of the system. LI 13. The groundwater recovery, treatment and disposal system shall be inspected weekly. If it is determined that the system is malfunctioning, all repairs should be made as soon as possible and reported to the Regional Office. 14. Isoconcentration maps in both the vertical and horizontal directions shall be developed using the quarterly groundwater monitoring data for total chlorinated hydrocarbons and 1, 1, 1 -Trichloroethane. A water level contour map must also be developed on a quarterly basis. These maps shall be submitted along with all groundwater monitoring data. 15, The permittee shall submit a report outlining the injection volumes and pressures of the injection wells. This report may be submitted along with all other monitoring data. 16. The three injection wells shall be constructed such that the screened interval of each well is located from 20 feet to 35 feet below land surface. 17. Prior to operation of the groundwater remediation system, the permittee shall certify the mechanical integrity of the injection wells as defined by 15A NCAC 2C .0207. Additionally, an engineering certification shall be provided stating that the injection wells have been constructed in accordance with 15A NCAC 2C .0200 and the conditions of this permit. This certification shall be forwarded to the Groundwater Section P.O. Box 29535, Raleigh NC, 27626 prior to operation of the system. 18. All wells that are constructed for purposes of groundwater monitoring shall be constructed in accordance with 15A NCAC 2C .0108 (Standards of Construction for Wells Other than Water Supply) and any other state and local laws and regulations pertaining to well construction. 19. The Raleigh Regional Office, telephone number 919-571-4700 shall be notified at least forty-eight (48) hours prior to the construction of any monitoring well so that an inspection can be made of the monitoring well location. Such notification to the regional groundwater supervisor shall be made during the normal office hours from 8:00 am. until 5:00 p.m. on Monday through Friday, excluding state holidays. 20. Within sixty (60) days of completion of all monitoring wells, the permittee shall submit two original copies of a scaled topographic map (scale no greater than 1:100) signed and sealed by a professional engineer or a state licensed land surveyor that indicates all of the following information: a. the location and identity of each monitoring well, b . the location of the waste disposal system, c. the location of all property boundaries, d . the latitude and longitude of each monitoring well, e. the relative elevation of the top of the well casing (which shall be known as the "measuring point"), and f. the depth of water below the measuring point at the time the measuring point is established. 21. Upon completion of all well construction activities, a certification must be received from a professional engineer certifying that the monitoring wells are located and constructed in accordance with the Well Construction Standards (15A NCAC 2C) and this permit. This certification should be submitted with copies of the Well Completion Form (GW-1) for each well. Mail this certification and the associated GW-1 forms to the Permits and Compliance Unit, Groundwater Section, P.O. Box 29535, Raleigh, NC, 27626-0535. 5 22. For the initial sampling of the well, as specified elsewhere in the permit, the permittee shall submit a copy of the GW-1 form with the Compliance Monitoring Form (GW-59) for that well. Compliance Monitoring Forms that do not include copies of the GW-1 form will be returned to the permittee without being processed. Failure to submit these forms, as required by this permit, may result in the initiation of enforcement activities pursuant to NC General Statutes 143-215.6. V . INSPECTIONS 1. Adequate inspection, maintenance and cleaning shall be provided by the Permittee to insure proper operation of the subject facilities. 2. The Permittee or his designee shall inspect the groundwater recovery and treatment facilities to prevent malfunctions and deterioration, operator errors and discharges which may cause or lead to the release of wastes to the environment, a threat to human health, or a nuisance. The Permittee shall keep an inspection log or summary including at least the date and time of inspection, observations made, and any maintenance, repairs, or corrective actions taken by the Permittee. This log of inspections shall be maintained by the Permittee for a period of three years from the date of the inspection and shall be made available upon request to the Division of Environmental Management or other permitting authority. 3. Any duly authorized officer, employee, or representative of the Division of Environmental Management may, upon presentation of credentials, enter and inspect any property, premises or place on or related to the disposal site and facility at any reasonable time for the purpose of determining compliance with this permit; may inspect or copy any records that must be kept under the terms and conditions of this permit; or may obtain samples of groundwater, surface water, or leachate. VI. GENERAL CONDITIONS 1. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans, specifications and other supporting data. 2. This permit is effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Environmental Management accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 4. The Permittee shall obtain a well construction permit from the Raleigh Regional Office prior to construction of the recovery wells. 5. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to an enforcement action by the Division of Environmental Management in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 6. The annual administering and compliance fee must be paid by the Permittee within thirty (30) days after being billed by the Division. Failure to pay the fee accordingly may cause the Division to initiate action to revoke this permit as specified by 15A NCAC 2H .0205 (c)(4). 6 7 . The issuance of this permit does not preclude the Perrnittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state, and federal) which have jurisdiction. 8. The Permittee, at least six (6) months prior to the expiration of this permit, shall request its extension. Upon receipt of the request, the Commission will review the adequacy of the facilities described therein, and if warranted, will extend the permit for such period of time and under such conditions and limitations as it may deem appropriate. Permit issued this the 7th day of June 1993. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT CONMUSSION C� LafllcoL A. Preston ward, Jr., PE), Director Division of avironmental Management By Authority of the Environmental Management Commission Permit No. WQ0007628 7 Permit No. WQ0007628 June 7, 1993 Engineer's Certification I, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, , for the Project Name Location Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. Signature Date Registration No u� ✓ '`_/ 1'I � `�`�r ��-UJ� ���••�� �y �- l��l-r•\, .��� �,� ��� � ,—-=;''h= S 1'�� .._. f ,_� `,•I�l 'Ei ��r�..y50. �• 1 %i i _.I '� �,J 1..'%J�J\`, l ��}j� i._ � •+ J 1 11 $� `I `ti ;F,'} � �' 1J n r�cai ' �+ r - 1 .�f�r'"•#=�-;- a _\ .'�'1C 3. ',1 4',fl. 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Office ORC Plant Class: (circle orie) ITFr,1 FlOiNTS (1) Ind.s'sial Pretreatment Uni,s and/or fnc_strial Pretreatment rrooram (see definilion f\'o. 33) 4 (2) DFS 3 FLOW/ OF PL ANT Ili GPD (not applicable le non-conlaminated cooling walers, sludge har,!ir,g faci€dies for v;aler purification plants, totally closed cycle systems (def. No. 11), ano :Ccilities cons:stinc only of Item (4) (d) or Items (q (d) and ,; I) 0 20,030. K-001 50,000.......................... in ,'C1 250,000.......................... [SL,JOi 500,000.......................... 5 50:;,001-•1,000,000.......................... F 1,00Z%001 -- 2,000.000 ........................ 10 2,0-2 ),001 (and up) - rate i point additional for each 200,000 gpd capacity up to a UQ ft maX3rn L'mgn DesFlow (gpd) (3) PRELi; 91NARY UNITS (see definilion no. 32) (a) Bar Screens ................................ 1 ar (b) f'echanlcal Sc(eens, Sta!ic Screens or Comminuting Devices ........... ............. 2 (c) Grit Removal .... . .... . .... . OF (d) ' echanical or Aerated Grit Removal • .......... 2 (e) Flow Measuring Device ..................... . 1 or (t) !.nslrumenled Flow Measurement ...... 0 (9) Preaefation................................ 2 (h) tnffuenl Flow-liqualization .. . ......... . ...... 2 (i) Grease or Oil Separators - Gravity . , , , , , , .. , 2 Mechanical .......... 3 Dissolved Air Flotation. E Q) Prechlorinalion .................... . (4) PAWARY TRBATfJiENT UNITS (a) Septic Tank (see definition no. 43) .............. 2 (b) Irnholf Tank ................................ . . 5 (c) Primary Clarifiers ............................ 5 (d) Settling Ponds or Settling Tanks for Inorganic Non -toxic Materials {sludge handling facilities for water purification plants, sand, gravel, slone, and other mining operations except recreational activities such as gem or gold mining) ...................................... 2 l oiai Poinits `," S' 1'ONOARY THE/,Tf,1,_EN T UNITS fa) CarbO,12C_OUS Stage (i)F.efstior, - High Purity Ozyger. 5ys Diliused Air 5ys!cm lAcchanical Air SysSe— _ floating or rotor) .... . Separate Sludge Rea,-• 1. Trickling Filter i'ie Ra!e ... ...... S €2ridait Packed T o,.er .. .. .... . Biological Aerates Fi'. or ✓.. ...... .. ... _ . (•.) Ro,eling Biological Contactors ...... .. (vi) Sand Filters - intermittent biofogicai . recirculating biological . (Vii) Stabirz2lion Lagoons .............. . . . (Viii)ci2rlfler . . . .. . . _ . .. . . . .. .. . . . . . . . . . (ix) Single stage system for combine_ carbonaceous removal of BOD any nitrogenous removal by nilrifica-,cn (see def. No. 12) (Points for this :rem have to be in addition to items (_; (a) (i) through (5) (a) (viii) ...... . ........ . (r.) Nutrient additions to enhance Bo- -removal ............................. (xi) Biological Culture ('Super Bugs �ddaic- lo enhance organic compound rem.. at . • , . (b) Nilrnoenous Stage (i) Aeration - nigh Purity Oxygen Diffused Air System .. • Mechanical Air Syster- (fired. floating, or rotor) .... . Separate Sludge Reaeia..on . . (i i) Trickling Filter - Righ Rate .............. Standard Rate ............ Packed Tower............ (iti) Biological Aerated Filler or Aerated Biological Filler .......... . . . (iv) Rotating Biological Contactors ........... . (v) Sand Filter - intermittent biological .... .. . recirculating biological ....... . (vi) Clarifier.......... 2 C 2 1 (6) TERTIARY OR ADVANCED TREATMENT UNIT r:ctivated Carbons Beds - without carbon regeneration ................ with carbon regeneration .................... 1 5 (b) powdered or Granular Activated Carbon Feed - without carbon regeneration ................. 5 with carbon regeneration .................... 15 (c) Air Strippinc ............................. 5 (d) 0enitrificP6D" Process (separate process) . 1 0 (e) Electrodialys�s .............................. 5 (f) Foam Separation . . ........................... 5 (g) Ion Ezchanc=_................................ 5 (h) t_and App''_2tion of Treated Effluent (see defini::on no. 22b) (nol applicable for sand, gra, :, Slone and other sinitar mining operation' (i) on ac:ic;rlturally managed sites (See del. No. 4) ................................... 10 (ii) by f rate infiltralion on non -agriculturally managed sites (includes rotary distributors and similar fi,ed nozzle systems) ........... 4 (iii) by s__surface disposal (includes lov: pressure pipe systems and gravity systems except at plants consisting of septic tar,'; and nilrifica- tion lines c7�iy) ....... . . ................. . . . 4 N N"'scroscreens.................................. 5 (j) Phosphorus nerno-ral by Biologicai Processes (See def. No. 26) . . .......................... 20 (:) Polishing Pcnd;s - without aeration ....... 2 with aeration ..... , .... 5 (I) Post Aerztic : cascade .............. 0 diilused or mechanical . , . 5 (m) Reverse OSMOSIS .... . ....... . .................. 5 (n) Sand or Filters - low rave ........... 2 No' rate ........ - - 5 (o) Treatment r-,3cesses for removal of metal or cyanide. ................................... 15 (p) Treatment c:ocesses lot removal of toxic Materials v-1v thar, metal or ey2ride ........ 1 5 SLUDGE TREATMENT (a) Sludge Digestion Tank - Hea;ed ............... 10 Aerobic ............... 5 Unhealed ...... ....... 3 (b) Sludge Stabilization (chemical or thermal) .. . .. .. S (c) Sludge Drying Beds - Gravily ................. 2 Vacuum Assisted ....... 5 (d) Sludge Elutrialion ............................. 5 (e) Sludge Conditioner (chemical or thermal) ........ 5 (f) Sludge 'thickener (gravity) ...................... 5 (g) Dissolved Air Flotation Unit (not app'icable to a unit rates as (3) (i) ......... 8 (h) Sludge Gas Utilization (including gas storage) .. 2 (i) Sludge Holding Tank - Aerated ................ 5 Non -aerated ............ 2 (j) Sludge Incinerator - (not including activated carbon regeneration) ..... 10 (k) Vacuum, Filter, Centrifuge or Filler Press or other similar dewalering devices .................... 10 (8) SLUDGE DISPOSAL (including incinerated ash) (a) Lagoons............... ......................... 2 (b) Land hapiication (surface znd subsurface) (see definition 22a) -where the facility holds the land app. permit t 0 -by coniracting to a land application operator who holds the land application permit ................ 2 -land application of sludge by a contractor who does not hold the permit for the wastewater treatment facility vrhere the sludge is generated, ......... i 0 (c) Landfilled (burial) .. ... . ...................... 5 (9) DISINFECTION (a) Chlorination ........................ ..... 5 (b) Dechlorination ........................ 5 (c) Ozone .................. ......... 5 (d) Radiation .......................... 5 (10) CHEMICAL ADDITION SYSTEM (S) {See definition r.o. S) (not applicable to chemical additions rated as item (3) (j), (5) (a) (xi), (6) (a), (6) (b), (7) (b), (7) (e). (9) (a), (9) (b), or (9) (c) 5 points each: List: (1 V 4;SCELLANEOUS UNITS {a} Holding Ponds, Holding Tanks or Setllio, !aCr.,s for Organic or Toxic 1lalerials including taste_ from mining operations containing nitro;«: art: : phosphorous compounds in amounts si_ni€i�an greater than is common for domestic eras:e::at. ..... r. (b) Effluent Flow Equalization (not appiicab!_ t_ $ : 2ge basins which are inherent in land appli�rtic^. s : _ms). 2 (c) Stage Discharge (not applicable to slorace ae _ inherent in land app!icalion systems ....................... (d) Pumps.........: ............................................ I ............. ........... (e) Stand -By Power Sup,ply............ .......-_.................... (f) Thermal Pollution Control Device .............................. _ TOTAL POINTS ZY— CLASSIRCATION MassL.................................,........................ 5 - 25 Points Mass 11 ........................................................ 26. 50 Poirds :lass I?! ....................................................... 51- 65 Po:nts lassIV-.-.. ........ .................................... _... 66- Up Points Fac :;ies having a rating of one through tour points, ir:= do -,t require a certified operalcr. Classification c! a' r : fac .,es requires a comparable grade operator in r:sc::'-s : cha - . Fa: ties having an activated sludge process veil( h=- a-.:-Jmum classi.`ication cl Class Ii. Fa. 'ties laving treatment processes for the remova: c•� or :+anide %vill be assigned a minimum classification c! Cii.: It. F2c.ities having treatment processes for the biologics' re -::at of :'-Iosphorus v.-ill be assigned a minimum classific2lio., c' Mass III. In-- ant processes and related control equipment which ate --. in'__rat part of industrial production shall not be consider__ veas;e tre_::nent. Likewise, discharges of wastewater from res:G_ • __s h2. :-.g a design flow of 1,000 gpd or less, shall not be sub;_:: to rat -a. AC__ITIONAL QQMMENT�j;