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HomeMy WebLinkAboutWQ0006546_Final Permit_19970129State 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 Mr. Jay McCollum, President McAlister Oil Company Post Office Box 483 Reidsville, North Carolina 27320 Dear Mr. McCollum: January 29, 1997 N1.5?FA A&74 90 iw ED,EHNR Subject: Permit No. WQ0006546 McAlister Oil Company Chilton's Grocery GW Remediation System Caswell County In accordance with the amendment request which was submitted to the Winston-Salem Regional Office Groundwater Section and received by our office on January 15, 1997, we are forwarding herewith Permit No. WQ0006546 as amended, dated January 29, 1907, to McAlister Oil Company for the subject groundwater remediation system. Only the conditions listed in the Groundwater Section of the permit, Section IV, have been modified. The Winston-Salem Regional Office has approved the synchronization of the groundwater monitoring in the permit and the Corrective Action Plan. This permit shall be effective from the date of issuance until May 31, 1998, shall void Permit No. WQ0006546 issued December 14, 1995, 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, 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. If you need additional information concerning this matter, please contact No ' � g"� at (919) 733-5083 extension 547. cerely, � A. Preston Howard, Jr., P.E. cc: Caswell County Health Department �j Winston-Salem Regional Office, Water Quality Section Winston-Salem Regional. Office, Groundwater Section Bob Cheek, Groundwater Section, Central Office Delta Environmental Consultants, Incorporated Facilities Assessment Unit Training and Certification (no revised rating) P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper 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 McAlister Oil Company Caswell County FOR THE continued operation of 2,880 GPD groundwater remediation system consisting of an activated carbon particulate filter, a 550 gallon gasoline/water separator tank, a 4 ft. wide by 6 ft. long by 2 ft.. deep diffused aeration tank which will provide air stripping, an oval transfer tank 3 ft. by 4 ft. by 3 ft., and all necessary pumps, valves, piezometers and appurtenances with the ultimate discharge of effluent to a 5 ft, wide by 60 ft. long by 10 ft. deep infiltration gallery to serve Chilton`s Grocery with no discharge to the surface waters, pursuant to the amendment request which was submitted to the Winston-Salem Reional Office Groundwater Section and received by our office on January 15, 1997, 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, shall void Permit No. WQ0006546 issued December 14, 1995, and shall be subject to the following specified conditions and limitations: I. PERFORMANCE STANDARDS 1. This permit shall become voidable if the soils fail to adequately absorb the wastes 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 ground waters. 2. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Perrnittee 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. 3. 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. 4. 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. The measurement of water levels must be made prior to sampling for the remaining parameters. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The results of the sampling and analysis shall be sent to the Groundwater Section, Permits and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on Form GW-59 [Compliance Monitoring Report Form] every February. 6. The influent and effluent of the treatment system shall be. sampled every month for the following parameters by EPA Method 602: Benzene Ethylbenzene Toluene Methyl Tert Butyl Ether Xylenes The results of the sampling and analysis shall be sent to the Groundwater Section, Permits and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 within 30 days of sample collection. 7. The permittee shall develop isopleth contour maps for benzene, toluene, xylene, ethylbenzene, and MTBE using the January monitoring well sampling data, These maps should also be submitted with the January monitoring data. 8. Any groundwater quality monitoring as deemed necessary by the Division of Environmental Management shall be provided. 9. 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 Winston-Salem Regional Office within 48 hours. 10. If the data for the groundwater remediation system does not indicate a positive trend toward remediation of the plume, or if migration of the plume away from the recovery system occurs, then the Division may require additional recovery, treatment, or disposal activities to enhance remediation of the plume. V . INSPECTIONS l . 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 Perittee 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 Winston-Salem Regional Office prior to construction of the recovery wells. 5. A set of approved plans and specifications for the subject project must be retained by the Permittee for the life of this project. 6. 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. 7. 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 revolve this permit as specified by 15 NCAC 2H .0205 (c)(4). 8. The issuance of this permit does not preclude the Permittee 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. 9. 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 twenty-ninth day of January, 1997 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION A. Preston Howar , Jr., P.E., Director Division of Environmental Management By Authority of the Environmental Management Commission Permit No. WQ0006546 5. Diversion or bypassing of the untreated groundwater from the treatment facilities is prohibited. 1 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 1V 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 8A, .0202. 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. M NITORING AND REPORTING REQUIREMENTS 1. Any monitoring deemed necessary by the Division of Environmental Management to insure surface and ground water protection will be established and an acceptable sampling reporting schedule shall be followed. 2. Noncompliance Notification: The Permittee shall report by telephone to the Winston-Salem Regional Office, telephone number (910) 771-4600, 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. a. Any occurrence at the wastewater treatment 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 1. Due to the possibility of generating chlorinated halocarbous, the permittee shall not construct a chlorinator for disinfection. Instead an alternate means of disinfection should be pursued if it is deemed necessary by the permittee. 2. Due to the fact that placement of the infiltration gallery may result in migration of contaminants away from the recovery system, the permittee sha11 install carbon adsorption to the treatment process to further decrease the levels of contaminants in the effluent. 3. The water supply well shall be sampled every January, April, July and October for the following parameters: n 61 Benzene* Toluene* Xylenes * 1, 2 dichloroethane* * * Per EPA Method 602 **Per EPA Method 601 Ethylbenzene* Methyl Tert Butyl Ether* pH Water Level The measurement of water levels must be made prior to sampling for the remaining parameters. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The results of the sampling and analysis shall be sent to the Groundwater Section, Permits and Compliance Unit, P.O. Box. 29578 Raleigh, N.C. 27626-0578 on Form GW-59 [Compliance Monitoring Report Form] every February, May, August, and November. Monitoring Wells MW-1, MW-2, MW-3, and MW-4 shall be sampled every January and July for the following parameters: Benzene* Toluene* Xylenes * 1, 2 dichloroethane** * Per EPA Method 602 **Per EPA Method 601 Ethylbenzene* Methyl Tert Butyl Ether* pH Water Level The measurement of water levels must be made prior to sampling for the remaining parameters. The depth to water in each well shall be measured from the surveyed point on the top of the casing. The results of the sampling and analysis shall be sent to the Groundwater Section, Permits and Compliance Unit, P.O. Box 29578 Raleigh, N.C. 27626-0578 on Form GW-59 [Compliance Monitoring Report Form] every February and August. Monitoring Wells MW-5, MW-6, MW-7, and MW-8, shall be sampled every January for the following parameters: Benzene* Toluene* Xylenes* 1, 2 dichloroethane* * * Per EPA Method 602 **Per EPA Method 601 Ethylbenzene* Methyl Tert Butyl Ether* pH Water Level