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HomeMy WebLinkAbout3606_Gaston_MSWLF_PTOUnitIIPhase2_DIN27480_20170424 Gaston County Landfill May 3, 2017 DIN: 27480 Page 1 of 22 North Carolina Department of Environmental Quality Division of Waste Management Roy Cooper Michael S. Regan Governor Secretary 1646 Mail Service Center, Raleigh, North Carolina 27699-1646 Phone/Fax 919-707-8200 Internet: http://www.ncdenr.gov An Equal Opportunity \ Affirmative Action Employer STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WASTE MANAGEMENT SOLID WASTE SECTION SOLID WASTE MANAGEMENT FACILITY Permit No. 3606 GASTON COUNTY is hereby issued a PERMIT APPROVAL TO CONSTRUCT Not Applicable PERMIT APPROVAL TO OPERATE 3606-MSWLF-1997, GASTON COUNTY LANDFILL – UNIT 1 AND UNIT II, PHASE 1 AND 2 3606-CDLF-1995, GASTON COUNTY C&D LANDFILL – OVER CLOSED LANDFILL, 3606- MSWLF-1986, GASTON COUNTY LANDFILL PERMIT FOR CLOSURE 3606-MSWLF-1986, GASTON COUNTY LANDFILL Located on Philadelphia Church Road, near the Town of Dallas, Gaston County, North Carolina, in accordance with Article 9, Chapter 130A, of the General Statutes of North Carolina and all rules promulgated thereunder and subject to the conditions set forth in this permit. The legal description of the site is identified on the deeds recorded for this property listed in Attachment 1 of this permit. Edward F. Mussler, III, P.E., Supervisor Permitting Branch, Solid Waste Section Division of Waste Management, NCDEQ Gaston County Landfill May 3, 2017 DIN: 27480 Page 2 of 22 ATTACHMENT 1 GENERAL PERMIT CONDITIONS/INFORMATION PART I: GENERAL FACILITY Permit to Operate Date Table Permit Status Issuance Expiration DIN 3606-MSWLF-1997, Gaston County Landfill Active May 3, 2017 Life of Site 27480 3606-CDLF-1995, Gaston County C&D Landfill - Over Closed Landfill, 3606- MSWLF-1986, Gaston County Landfill Active May 3, 2017 Life of Site 27480 3606-MSWLF-1986, Gaston County Landfill Closed Not Applicable Not Applicable 21649 General Conditions 1. This permit is issued by the North Carolina Department of Environment and Natural Resources, Division of Waste Management, Solid Waste Section (Section). In accordance with North Carolina Solid Waste Management Rule 15A NCAC 13B .0201(d), a solid waste management facility permit shall have two parts: a Permit Approval to Construct and a Permit to Operate. The Permit Approval to Construct must be implemented in accordance with Attachment 2 of this permit. The Permit to Operate must be implemented in accordance with Attachment 3 of this permit. 2. The persons to whom this permit is issued (“permittee”) are the owners and operators of the solid waste management facility. 3. The Permit to Operate for this facility dated March 31, 2008, was recorded in the Gaston County Register of Deeds on April 18, 2008, in Deed Book 4399, Pages 1510-1523. DIN 4397. 4. When this property is sold, leased, conveyed, or transferred in any manner, the deed or other instrument of transfer shall contain in the description section in no smaller type than that used in the body of the deed or instrument, a statement that the property has been used as a solid waste management facility and a reference by book and page to the recordation of the permit. 5. By receiving waste at this facility, the permittee shall be considered to have accepted the terms and conditions of this permit. 6. Operation of this solid waste management facility shall be in accordance with the Solid Waste Management Rules, 15A NCAC 13B, Article 9 of the Chapter 130A of the North Carolina General Statutes (NCGS 130A-290, et seq.), the conditions contained in this permit; and the approved plan. Should the approved plan and the rules conflict, the Solid Waste Management Rules shall take precedence unless specifically addressed by permit condition. Failure to comply may result in compliance action or permit revocation. Gaston County Landfill May 3, 2017 DIN: 27480 Page 3 of 22 7. This permit is issued based on the documents submitted in support of the application for permitting the facility including those identified in Attachment 1, “List of Documents for Approved Plan,” and which constitute the approved plan for the facility. Where discrepancies exist, the most recent submittals and the Conditions of Permit shall govern. 8. This permit may be transferred only with the approval of the Section, through the issuance of a new or substantially amended permit in accordance with applicable statutes and rules. In accordance with NCGS 130A-295.2(g) the permittee must notify the Section thirty (30) days prior to any significant change in the identity or business structure of either the owner or the operator, including but not limited to a proposed transfer of ownership of the facility or a change in the parent company of the owner or operator of the facility. 9. The permittee is responsible for obtaining all permits and approvals necessary for the development of this project including approval from appropriate agencies for a General or Individual NPDES Stormwater Discharge Permit. Issuance of this permit does not remove the permittee’s responsibilities for compliance with any other local, state or federal rule, regulation or statute. Properties Approved for the Solid Waste Management Facility Gaston County NC Register of Deeds Book Page Property Owner Acres 1810 938-942 Gaston County 313.00± Total Site Acreage: 313.00± acres PART II: MUNICIPAL SOLID WASTE LANDFILL UNIT(S) 3606-MSWLF-1997, Gaston County Landfill Permitting History Permit Type Date Issued DIN Permit to Operate Modification; side slope revision Unit II. January 27, 2012 15456 Permit to Operate, Modification; extension of the Unit II, Phase 1 PTC. June 11, 2012 16695 Permit to Operate, Modification; Unit II, Phase 1, Cell 2B. March 27, 2013 18715 Permit to Operate, Amendment (five 5-year renewal); Unit 1, Unit II, Phase 1, Cells 1, 2A and 2B. Permit to Construct; Unit II, Phase 1, Cell 2C. September 16, 2014 21649 Permit to Operate, Modification; Cell 2C. January 2, 2015 22567 Permit to Operate, Revision (See DIN 22801) January 16, 2015 22567 Permit to Construct, Amendment; Unit II Phase 2 November 1, 2016 26771 Permit Approval to Operate, Modification; Unit II Phase 2, Life of Site May 3, 2017 27480 Gaston County Landfill May 3, 2017 DIN: 27480 Page 4 of 22 List of Documents for Approved Plan DIN Description 15956 Gaston County Landfill, Operations Plan, January 2012. Prepared for Gaston County. Prepared by CHA. January 2012. 16540 Gaston County Landfill, Beneficial Use Plan for Tire Shred/Chips, April 27, 2012. Prepared for Gaston County. Prepared by CHA. April 2012. 16558 Gaston County Landfill, Unit II, Phase 1, - Cell 2A, Certification Report, April 2012. Prepared for Gaston County. Prepared by CHA. April 2012. 16561 Gaston County Landfill, Leachate Collection System Post-Repair Report and Protective Cover Thickness Verification. Prepared for Gaston County. Prepared by CHA. April 2012. 16692 Gaston County Landfill, Operations Plan; Appendix B, Operations Plan Revision. Leachate to the Sanitary Sewer Procedures. Prepared for Gaston County. Prepared by CHA. May 2012. 18678 Construction Quality Assurance Certification Report for Cell 2B, Gaston County Landfill – Unit II, Phase 1 – Cell 2B (Permit No. 36-06), CHA Project Number 21420. Prepared for Gaston County. Prepared by CHA. March 2013. 21352 Revised Permit Renewal (Permit No. 36-06), Gaston County Landfill, Gaston County, North Carolina, CHA Project Number 21420. Prepared for Gaston County. Prepared by CHA. June 2014. 21693 Permit Renewal Operations Plan, Permit #36-06, October 2013, Revised June 2014. Prepared for Gaston County. Prepared by CHA. June 2014. 22566 Construction Quality Assurance Certification Report for Cell 2C. Prepared for Gaston County. Prepared by CHA. December 2014. 26713 Construction Permit Application, Gaston County Landfill, Unit II – Phase 2 – Hardin Site. Prepared for Gaston County. Prepared by HDR. September 2016. 26770 Operations Plan, Gaston County Landfill, Unit II – Phase 2 – Hardin Site. Prepared for Gaston County. Prepared by HDR. September 2016. 26940 Water Quality Monitoring Plan Update, Unit II Phases 1 & Phase 2 Lined Subtitle D Municipal Solid Waste Landfill. Prepared for Gaston County. Prepared by Buxton Environmental. October 2016. 27657 Gaston County Landfill, Unit II Phase 2 – Cells 1 and 2, Certification Report. Prepared for Gaston County. Prepared by HDR. April 2017. 3606-MSWLF-1986, Gaston County Landfill Permitting History Permit Type Date Issued DIN Permit to Operate: original issuance. August 27, 1986 Landfill Closure December 23, 1997 Permit for Closure - Issuance September 16, 2014 21649 Gaston County Landfill May 3, 2017 DIN: 27480 Page 5 of 22 List of Documents for Approved Plan DIN Description 21352 Revised Permit Renewal (Permit No. 36-06), Gaston County Landfill, Gaston County, North Carolina, CHA Project Number 21420. Prepared for Gaston County. Prepared by CHA. June 2014. 21693 Permit Renewal Operations Plan, Permit #36-06, October 2013, Revised June 2014. Prepared for Gaston County. Prepared by CHA. June 2014. PART III: CONSTRUCTION AND DEMOLITION DEBRIS LANDFILL UNIT(S) 3606-CDLF-1995, Gaston County C&D Landfill – Over Closed Landfill, 3606-MSWLF-1986, Gaston County Landfill Permitting History List of Documents for Approved Plan DIN Description 4447 Gaston County Hardin Landfill and Solid Waste Management Site, Landfill Gas Management & Utilization Plan, March 2008. Prepared for Gaston County. Prepared by Olver, Inc. March 2008. 5069 Gaston County Landfill, Permit No. 36-06, C&D Permit Application Amendment, Gaston County North Carolina, Olver Project Number 20102.06. Prepared for Gaston County. Prepared by Olver, Inc. July 2008. 5076 Corrective Action Plan, Gaston County Construction & Demolitions Landfill Over Closed Unlined Municipal Solid Waste Landfill – Hardin Site, Permit No.: 36-06, 3155 Philadelphia Church Road, Dallas, North Carolina. Prepared for Gaston County. Prepared by Buxton Environmental, Inc. July 2008. 5078 North Carolina Solid Waste Groundwater Corrective Action Permit Modification Application. Prepared by Gaston County. June 2008. 21352 Revised Permit Renewal (Permit No. 36-06), Gaston County Landfill, Gaston County, North Carolina, CHA Project Number 21420. Prepared for Gaston County. Prepared by CHA. June 2014. 21693 Permit Renewal Operations Plan, Permit #36-06, October 2013, Revised June 2014. Prepared for Gaston County. Prepared by CHA. June 2014. Permit Type Date Issued DIN Permit to Operate; Original Issuance, Unit “C”. March 23, 2000 4210 Permit to Operate; Amendment, renewal. Unit “C”. May 5, 2005 4202 Permit to Operate; Amendment, 5-year renewal. August 24, 2011 9053 Permit to Operate; Amendment, 5-year renewal. September 16, 2014 21649 Permit Approval to Operate, Modification, Life of Site May 3, 2017 27480 Gaston County Landfill May 3, 2017 DIN: 27480 Page 6 of 22 PART IV: INDUSTRIAL LANDFILL UNIT(S) Not Applicable PART V: LAND CLEARING AND INERT DEBRIS LANDFILL UNIT(S) Not Applicable PART VI: TRANSFER STATION/TREATMENT & PROCESSING UNIT(S) Not Applicable PART VII: MISCELLANEOUS SOLID WASTE MANAGEMENT Not Applicable - End of Section- Gaston County Landfill May 3, 2017 DIN: 27480 Page 7 of 22 ATTACHMENT 2 CONDITIONS OF PERMIT APPROVAL TO CONSTRUCT PART I: GENERAL FACILITY Not Applicable PART II: MUNICIPAL SOLID WASTE LANDFILL UNIT(S) Not Applicable PART III: CONSTRUCTION AND DEMOLITION DEBRIS LANDFILL UNIT(S) Not Applicable PART IV: INDUSTRIAL LANDFILL UNIT(S) Not Applicable PART V: LAND CLEARING AND INERT DEBRIS LANDFILL UNIT(S) Not Applicable PART VI: TRANSFER STATION/TREATMENT & PROCESSING UNIT(S) Not Applicable PART VII: MISCELLANEOUS SOLID WASTE MANAGEMENT Not Applicable - End of Section – Gaston County Landfill May 3, 2017 DIN: 27480 Page 8 of 22 ATTACHMENT 3 CONDITIONS OF PERMIT APPROVAL TO OPERATE PART I: GENERAL FACILITY 1. All sedimentation and erosion control activities must be conducted in accordance with the Sedimentation Control Act NCGS 113A-50, et seq., and rules promulgated under 15A NCAC 4. All required sedimentation and erosion control measures must be installed and operable to mitigate excessive on-site erosion and to prevent silt from leaving the area of the landfill unit during the service life of the facility. 2. Facility construction, operations or practices must not cause or result in a discharge of pollution, dredged material, and/or fill material into waters of the state in violation of the requirements under Sections 401 and 404 of the Clean Water Act, as amended. 3. Copies of this permit, the approved plans, and all records required to be maintained in the operating record by the permittee must be maintained at the facility, unless otherwise approved by the Section, and made available to the Section upon request during normal business hours. 4. All forms, reports, maps, plans, and data submitted to the Section must include an electronic (pdf) copy. 5. Open burning of solid waste is prohibited. Fires must be reported to the Regional Waste Management Specialist within twenty-four (24) hours of the occurrence with a written notification to be submitted within fifteen (15) calendar days of the occurrence. Fire lanes must be maintained and passable at all times. Dimensions of the fire lanes must be coordinated with the Fire Marshall having jurisdiction over the site. 6. Processing of materials, shredding, or grinding must not take place at the facility unless approval has been granted under the special use permit and a revised operations plan has been submitted to the Solid Waste Section. 7. The facility must be adequately secured by means of gates, chains, berms, fences, or other security measures approved by the Section to prevent unauthorized entry. 8. Interior roadways must be of all-weather construction and maintained in good condition. 9. The edge of the waste footprint for all disposal units must be identified and maintained with permanent physical markers. 10. Signs must be posted at the entrance to the facility that state that no hazardous waste or liquid waste can be received at the facility; and that provide information on dumping procedures, the hours of operation, the permit number, and other pertinent information. Traffic signs or markers must be provided as necessary to promote an orderly traffic pattern to and from the discharge area and to maintain efficient operating conditions. 11. The following, at a minimum, must not be accepted for disposal at the facility: hazardous waste, yard trash, liquid wastes, regulated medical waste, sharps not properly packaged, PCB Gaston County Landfill May 3, 2017 DIN: 27480 Page 9 of 22 waste as defined in 40 CFR 761, and wastes banned from disposal in North Carolina by G.S. 130A-309.10(f). 12. Financial assurance must be continuously maintained for the facility in accordance with NCGS 130A 295.2. The owner and operator must annually adjust cost estimates for inflation. 13. The permittee must not knowingly dispose of any type or form of municipal solid waste that is generated within the boundaries of a unit of local government that by ordinance: a. Prohibits generators or collectors of municipal solid waste from disposing of that type or form of municipal solid waste. b. Requires generators or collectors of municipal solid waste to recycle that type or form of municipal solid waste. 14. The facility operator must complete an approved operator training course in compliance with NCGS 130A-309.25. a. A responsible individual certified in landfill operations must be on-site during all operating hours of the facility to ensure compliance with operational requirements. b. All pertinent landfill-operating personnel must receive training and supervision necessary to properly operate the landfill units. 15. The owner or operator must maintain a record of the amount of solid waste received at the landfill unit, compiled on a monthly basis, utilizing installed and well maintained truck scales. 16. In accordance with 130A-295.6 this landfill may use alternative daily cover (ADC) that has been previously approved at another sanitary landfill in North Carolina. The Solid Waste Section maintains a list of approved ADC and its appropriate use, which may be referred to, but is not required to be, in determining ADC types and uses. Soil cover shall be applied at a minimum of one time per week in accordance with Rule .1626 (2). Soil shall be applied more frequently, if needed, to control nuisance, odor or vectors. The use of different alternative daily cover requires approval, prior to implementation, by the Solid Waste Section. Requests for alternative daily cover approval must include a plan detailing the comprehensive use and a demonstration of the effectiveness of the alternative daily cover. a. The plan must be developed according to Section guidelines. Plans which are approved by the Section will be incorporated into, and made a part of, the approved documents listed in Attachment 1. b. Spray-applied Mortar Coating (SMC) as an alternate daily cover is approved and subject to the terms and conditions of operation as set forth in the plan. 17. The permittee must actively employ a training and screening program at the facility for detecting and preventing the disposal of excluded or unauthorized wastes. At a minimum, the program must include: a. Random inspections of incoming loads or other comparable procedures; b. Records of any inspections; c. Training of personnel to recognize hazardous, liquid, and other excluded waste types; Gaston County Landfill May 3, 2017 DIN: 27480 Page 10 of 22 d. Development of a contingency plan to properly manage any identified hazardous, liquid, or other excluded or unauthorized wastes. The plan must address identification, removal, storage, and final disposition of these wastes. 18. Regulated asbestos-containing material as defined in 40 CFR 61 must be managed in accordance with 40 CFR 61. Disposal of asbestos waste must be in accordance with 15 NCAC 13B .0542 (c). Monitoring and Reporting Requirements 19. Groundwater locations must be established and monitored as identified in the List of Documents for Approved Plan. 20. Groundwater monitoring wells must be sampled for the constituents in the approved monitoring plan, at least semi-annually, according to the specifications outlined in the approved Water Quality Monitoring Plan and the current policies and guidelines of the Section in effect at the time of sampling. 21. Reports of the analytical data for each monitoring event must be submitted to the Section within 120 days of the respective sampling event. Analytical data must be submitted in a manner prescribed by the Section. Records of all groundwater and leachate analytical data must be kept as part of the permanent facility record. 22. A readily accessible unobstructed path must be cleared and maintained so that four-wheel vehicles may access monitoring well locations at all times. 23. A log which details all development, sampling, repair, and all other pertinent activities associated with each monitoring well and all sampling activities associated with each surface water and leachate sampling location must be kept as part of the permanent facility record. 26. All well construction records and soil boring logs for new wells must be submitted to the Section Hydrogeologist for review within 30 days of completion. 27. A licensed geologist must be present to supervise the installation of groundwater monitoring wells. The exact locations, screened intervals, and nesting of the wells must be established after consultation with the SWS Hydrogeologist at the time of well installation. 28. Monitoring reports of the analytical results for surface water and groundwater monitoring sampling events, and for corrective action program monitoring, must be submitted to the Section within 120 days of the sample collection date. Analytical laboratory data must be submitted in electronic portable document format (pdf) and in a spreadsheet format in an Electronic Data Deliverable (EDD) Template. All monitoring reports must contain: a. a potentiometric surface map for the current sampling event, b. analytical laboratory reports and summary tables, c. statistical analysis of laboratory data, in accordance with 15A NCAC 13B .1634, d. a completed Solid Waste Environment Monitoring Data Form, and e. laboratory data submitted in accordance with the EDD Template. Gaston County Landfill May 3, 2017 DIN: 27480 Page 11 of 22 29. The four independent samples which comprise the initial baseline sampling event must be collected from each groundwater monitoring well and the report must be submitted to the Section within six months after issuance of the Permit to Operate. PART II: MUNICIPAL SOLID WASTE LANDFILL UNIT(S) General Conditions 30. Closure or partial closure of any MSWLF unit must be in accordance with the Closure Plans described in the approved plans and 15A NCAC 13B .1629. Final Closure Plans must be submitted to the Section at least 90 days prior to implementation. 24. The facility must maintain records for all solid waste materials accepted as alternative cover material and used as alternate daily cover. The records must include: the date of receipt, weight of material, general description of the material, identity of the generator and transporter, and county of origin. Such records must be made available to the Section upon request. 25. Untreated leachate must be sampled and analyzed at least semi-annually concurrently with the groundwater water sampling, one sample per event. The leachate must be analyzed for the same constituent list as the groundwater monitoring wells outlined in the approved Water Quality Monitoring Plan. Test results must be submitted to the Section along with groundwater test results. In the event leachate is recirculated, additional leachate sampling may be required. 31. The leachate collection system must be maintained. Documentation of the inspections, and cleaning and monitoring must be included in the operating records of the facility and provided to the Section upon request. 32. The use of leachate recirculation as a leachate management tool requires approval by the Section prior to implementation. Requests for leachate recirculation approval must include a comprehensive management plan developed according to Section guidelines and which is consistent with the approved operation plan. Plans which are approved by the Section will be incorporated into, and a part of the List of Documents for the Approved Plan. 3606-MSWLF-1997, Gaston County Landfill Specific Conditions 33. The Permit Approval to Operate for this landfill shall be issued for the life of site for the facility unless revoked as otherwise provided pursuant to NCGS 130A-294(a2). 34. This permit approves the continued operation of Unit I and Unit II Phase 1, the commencement of operations in Unit II Phase 2 of the municipal solid waste landfill, and the onsite environmental management and protection facilities as described in the approved plans. 35. This facility is permitted to receive solid waste from within Gaston County the municipalities within Gaston County and the area encompassed by a radius of 100 miles extending from the Gaston County line. Gaston County Landfill May 3, 2017 DIN: 27480 Page 12 of 22 38. The facility is permitted to co-dispose of wastewater treatment sludge generated within the facility's approved service area, and subject to the terms and procedures of the approved plan. 39. On or before August 1 annually, the Permittee must submit an annual facility report to the Solid Waste Section, on forms prescribed by the Section. a. The reporting period shall be for the previous year beginning July 1 and ending June 30. b. The annual facility report must list the amount of waste received and landfilled in tons and be compiled: i) On a monthly basis. ii) By county, city or transfer station of origin. iii) By specific waste type. iv) By disposal location within the facility. v) By diversion to alternative management facilities. c. A measurement of volume utilized in the landfill cells must be performed during the first or second quarter of the calendar year. The date and volumes, in cubic yards, must be included in the report. d. For MSW, the amount of waste, in tons from scale records, disposed in landfill cells from June 8, 1995 through the date of the annual volume survey must be included in the report. e. The completed report must be forwarded to the Regional Waste Management Specialist for the facility by the date due on the prescribed annual facility report form. f. A copy of the completed report must be forwarded to each county manager for each county from which waste was received at the facility. Documentation that a copy of the report has been forwarded to the county managers must be sent to the Regional Waste Management Specialist by the date due on the prescribed annual facility report form. 40. The facility is approved to accept approximately 175,000 tons per year, approximately 560 tons per day (312 days per year), with a maximum variance in accordance with GS 130A- 294(b1)(1) as listed in the List of Documents for the Approved Plan. 41. The following table lists the dimensions and details for the MSW landfill units. The following waste volumes include waste, daily cover, and intermediate cover, but do not include final cover. Gaston County MSW Landfill Acres Capacity (cubic yards Status Unit I 2,541,872 Constructed Unit II, Phase 1 22.8 1,372,000 Constructed Unit II, Phase 2 15.0 1,688,000 Constructed Unit III 12.0 4,870,000 Proposed Total Phase II and III 52.0 7,930,000 PART III: CONSTRUCTION AND DEMOLITION DEBRIS LANDFILL UNIT(S) General Conditions 42. The C&DLF is permitted to receive the following waste types: Gaston County Landfill May 3, 2017 DIN: 27480 Page 13 of 22 a. “Construction or demolition debris” as defined in NCGS 130A-290 (a)(4) means solid waste resulting solely from construction, remodeling, repair or demolition operations on pavement, buildings, or other structures, but does not include inert debris, land-clearing debris or yard debris. b. “Inert debris” as defined in NCGS 130A-290 (a)(14) means solid waste that consists solely of material such as concrete, brick, concrete block, uncontaminated soil, rock, and gravel. c. “Land-clearing debris” as defined in NCGS 130A-290 (a)(15) means solid waste that is generated solely from land-clearing activities, limited to stumps, trees, limbs, brush, grass, and other vegetative material. d. “Asphalt” in accordance with NCGS 130-294(m). 43. Wastewater treatment sludge is not approved for disposal. Wastewater treatment sludge may be accepted, with the approval of the Section, for utilization as a soil conditioner and incorporated into or applied onto the vegetative growth layer. The wastewater treatment sludge must not be applied at greater than agronomic rates nor to a depth greater than six inches. Monitoring and Reporting Requirements (CDLF over closed MSWLF) 44. Groundwater and surface water monitoring must be conducted in compliance with Rules 15A NCAC 13B .1630 through .1637, and .0602, and the approved monitoring plan. Any proposed modification to an approved plan must be submitted to the Section and approved prior to implementation. 45. Groundwater quality is subject to 15A NCAC 2L – Groundwater Classifications Standards and the Groundwater Protection Standards (GPS) established under Rule .1634(i). Surface water is subject to 15A NCAC 2B – Surface Water and Wetlands Standards. 46. Ground water wells and surface water locations as specified in the documents for the approved plan comprise the approved groundwater and surface water monitoring network for the facility. a. The permittee must obtain approval from the Section for the design, installation, and abandonment of any monitoring well or corrective action program well. b. A licensed geologist must be present to supervise the installation of groundwater monitoring wells and corrective action program wells. The exact locations, screened intervals, and nesting of the wells must be established after consultation with the Section Hydrogeologist prior to well installation. c. Each groundwater monitoring well and corrective action program well must be surveyed in accordance with 15A NCAC 13B .1632 (d)(1). d. Each groundwater monitoring well and corrective action program well must have an identification plate permanently attached to the well, in accordance with 15A NCAC 2C .0108(o). e. Hydraulic conductivity and effective porosity values must be established for each screened interval in order to develop groundwater flow characteristics. Gaston County Landfill May 3, 2017 DIN: 27480 Page 14 of 22 f. Within thirty (30) days of completed construction of each new groundwater monitoring well and corrective action program well, the well construction record (GW-1b form), well schematic, boring log, field log and notes, and description of well development activities must be submitted to the Section. The submittal must also include a scaled topographic map, showing the location and identification of new, existing, and abandoned wells and piezometers, and hydraulic conductivity and effective porosity values, as described in subparagraphs c and e of this Permit Condition. g. Within thirty (30) days of the abandonment of a groundwater monitoring well or corrective action program well, the well abandonment record (GW-30 form) and any additional information included in the abandonment record must be submitted to the Section, consistent with 15A NCAC 2C .0114(b), and must be certified by a Licensed Geologist. h. Documentation of well completion, development details, repair, abandonment, and all other pertinent activities associated with each monitoring well and corrective action program well must be maintained in the facility operating record. i. A readily accessible, unobstructed path must be maintained so that monitoring wells, corrective action program wells, and surface water sampling locations are accessible using four-wheel drive vehicles. 47. The permittee must sample groundwater monitoring wells and surface water locations semi- annually unless otherwise specified by the Section. Water samples must be analyzed for constituents listed in Appendix I of 40 CFR Part 258, mercury, chloride, manganese, sulfate, iron, specific conductance, pH, temperature, alkalinity, and total dissolved solids. Sampling frequency and sampling constituents are subject to change according to requirements of the applicable corrective action program. 48. All groundwater, surface water, corrective action program, and methane gas monitoring forms, reports, maps, plans, data, and correspondence submitted to the Section must include an electronic (pdf) copy. 49. The permittee must maintain a record of all monitoring events and analytical data in the operating record. 50. After completion of the post-closure monitoring period, in accordance with 15A NCAC 13B .1627, and completion of the corrective action program, the Section will determine if further monitoring and post-closure maintenance will be required. Groundwater Corrective Action Program Requirements (CDLF over closed MSWLF) 51. Pursuant to Rule 15A NCAC 13B .1637, the permittee must implement a corrective action program to remediate elevated constituents in groundwater in accordance with the approved Corrective Action Plan (CAP). Any proposed modifications to the approved CAP must be submitted to the Section and approved prior to implementation. The CAP documents are among the list of documents for the approved plan. 52. The Bioremediation performance monitoring network consists of the monitoring wells. Sampling frequency and constituents to be analyzed must be conducted in accordance with Gaston County Landfill May 3, 2017 DIN: 27480 Page 15 of 22 the approved CAP. The CAP documents are among the list of documents for the approved plan. 53. Institutional controls (deed recordation, land and groundwater use restrictions) must be implemented as part of a groundwater treatment system consisting of MNA pursuant to NCGS 143B-279.9 and 143B-279.10. The land and groundwater use restrictions will be imposed on the permitted facility and any buffer property that has been acquired to reduce or eliminate the danger to public health or the environment posed by the presence of contamination on the property. The permittee must submit to the Section, within 180 days of notified to do so, a survey plat, in accordance with the requirements of NCGS 143B- 279.10, and as directed by the Section. 54. The permittee must provide a Corrective Action Evaluation Report to describe of the performance and effectiveness of the implemented corrective action program, including a technical evaluation of Bioremediation as a remedy at the facility. The first report must be submitted in accordance with the list of documents for the approved plan. Subsequent reports are required every 5 (five) years unless otherwise specified by the Section. 55. After the MNA baseline has been established, an EPA approved MNA screening model is required at least annually to simulate the groundwater remediation at the facility and determine the mass flux and mass balance. The model must be submitted annually with a monitoring report. 56. If the objectives of the corrective action program are not being met, as specified in the approved CAP, Rules, or as determined by the Section, the permittee must immediately implement the Contingency Plan in the approved CAP. 57. If constituents in groundwater migrate beyond the landfill property boundary, or it is suspected to have occurred based on sampling results near the property boundary, the permittee must immediately notify all persons in writing who own land or reside on land that directly overlies any part of the contaminant plume with details of the migration. The permittee must mitigate further releases to the groundwater, reduce threats to human health and the environment, and immediately implement the Contingency Plan in the approved CAP. 58. If the corrective action program is modified to include an active groundwater treatment system: a. The permittee must operate the groundwater treatment system in a manner that will prevent spills, releases or other adverse effects to human health and the environment. b. The permittee must maintain an inspection schedule for the inspection of all parts of the groundwater treatment system as outlined in the approved CAP. c. The permittee must train all personnel operating the groundwater treatment system as outlined in the approved CAP. d. The permittee must sample the groundwater in the impacted aquifer, the groundwater as it enters and exits the groundwater treatment system and measure the volume and rate of Gaston County Landfill May 3, 2017 DIN: 27480 Page 16 of 22 flow of groundwater through the groundwater treatment system as indicated in the approved CAP. The data must be submitted to the Section with a monitoring report. 59. The permittee must continue to operate the corrective action program until the 15A NCAC 2L Groundwater standards and the GPS have been met at all points within the plume of contamination that lie beyond the relevant point of compliance for 3 (three) consecutive years, in accordance with 15A NCAC 13B .1637. Landfill Gas Monitoring Requirements (CDLF over closed MSWLF) 60. Landfill gas monitoring must be conducted at the facility in accordance with the approved landfill gas monitoring plan and Rule .1626(4). The permittee must sample landfill gas quarterly unless otherwise required for corrective action or specified by the Section. 61. Landfill gas probes, select monitoring sites and the landfill facility structures comprise the approved monitoring network for the facility as found in the list of documents for the approved plan, unless otherwise approved or specified by the Section. a. The permittee must obtain approval from the Section for the design, installation, and abandonment of any landfill gas monitoring probe or well. b. A licensed geologist must be present to supervise the installation of landfill gas monitoring probes or wells. The exact locations, screened intervals, and nesting of the probes or wells must be established after consultation with the Section hydrogeologist prior to probe or well installation. c. Each landfill gas monitoring probe or well must be surveyed for location and elevation by a North Carolina Registered Land Surveyor. d. Each landfill gas monitoring probe or well must have an identification plate permanently attached to the well, in accordance with 15A NCAC 2C .0108 (o). e. Within thirty (30) days of the completed construction of each new landfill gas monitoring probe or well, a schematic of the probe or well, to include boring log, depth, and screened interval, must be submitted to the Section. The submittal must also include a scaled topographic map, showing the location and identification of new, existing, and abandoned landfill gas monitoring probes and wells. f. Within thirty (30) days of the abandonment of a landfill gas monitoring probe or well, an abandonment record must be submitted to the Section. The boring must be abandoned in accordance with 15A NCAC 2C .0113(d) and be certified by a Licensed Geologist. g. All records of landfill gas monitoring probe or well installation, repair, abandonment, and all other pertinent activities associated with each landfill gas monitoring probe or well must be placed in the facility’s operating record. h. A readily accessible, unobstructed path must be maintained so that landfill gas monitoring probes or wells are accessible using four-wheel drive vehicles. 62. All landfill gas monitoring must be conducted by properly trained personnel. Methane monitoring must include interior monitoring of onsite buildings. 63. Landfill gas monitoring reports must be added to the facility’s operating record within 7 days of the monitoring event, and must include a description of the monitoring method used, the sampling results of each well and onsite buildings in percent of the lower explosive limit Gaston County Landfill May 3, 2017 DIN: 27480 Page 17 of 22 (LEL), date of monitoring, weather conditions, calibration report, and signature of the sampling personnel. 64. The permittee must maintain records of all landfill gas monitoring events in the operating record, in accordance with 15A NCAC 13B .0542 (n). 65. If landfill gas monitoring reveals detections of methane of at least 25 percent of the LEL in onsite buildings, or detections of LEL at the compliance boundary, the permittee must comply with the requirements of 15A NCAC 13B .1626 (4). Closure and Post-Closure Requirements (CDLF over closed MSWLF) 66. The permittee must conduct closure and post-closure activities in accordance with the approved plans and Rule 15A NCAC 13B .1627. An updated closure and post-closure plan must be submitted for approval at least ninety (90) days prior to closure or partial closure of any landfill unit. The plan must include all steps and measures necessary to close and maintain the C&DLF in accordance with all rules in effect at that time. At a minimum, the plan must address the following: a. Design of a final cover system in accordance with 15 NCAC 13B .1627 (c) or the solid waste management rules in effect at the time of closure; b. Construction and maintenance/operation of the final cover system and erosion control structures; and c. Surface water, ground water, and explosive gas monitoring. 67. If the minimum 30-year post-closure period ends before the groundwater corrective action program is terminated, pursuant to Rule .1627 (d)(2)(B) of 15A NCAC 13B, the post-closure care period shall be extended at least until such time as the required corrective action program has been completed. 3606-CDLF-1995, Gaston County C&D Landfill - Over Closed Landfill, 3606-MSWLF-1986, Gaston County Landfill Specific Conditions 68. The Permit to Operate for this landfill shall be issued for the life of site for the facility unless revoked as otherwise provided pursuant to NCGS 130A-294(a2). 69. This permit approves the continued operation of the C&DLF on top of the closed MSWLF, and the onsite environmental management protection facilities as described in the approved plans. 70. The following table lists the dimensions and details for the existing C&DLF on top of the closed MSWLF. Total gross capacity for the C&DLF unit is defined as the volume measured from the bottom of C&D waste (the top of the cover system of the MSWLF) through the top of final cover of the C&DLF. C&D Landfill Unit Capacity (cubic yards) Remaining Life (years) Unit “C” - constructed 910,000 Less than 5.0 Gaston County Landfill May 3, 2017 DIN: 27480 Page 18 of 22 71. The facility is approved to accept average 150 tons per day or approximately 46,800 tons per year based on 312 working days per year. Maximum variance shall be in accordance with NCGS 130A-294(b1)(1). 72. This facility is permitted to receive solid waste generated within Gaston County the municipalities within Gaston County and the area encompassed by a radius of 100 miles extending from the Gaston County line. This service area is consistent with the local government solid waste management plan(s) and local government approval. 73. On or before August 1 annually, the permittee must submit an annual facility report to the Section, on forms prescribed by the Section. a. The reporting period shall be for the previous year beginning July 1 and ending June 30. b. The annual report must list the amount of waste received and landfilled in tons and be compiled: i. On a monthly basis. ii. By county, city or transfer station of origin. iii. By specific waste type. iv. By disposal location within the facility. v. By diversion to alternative management facilities. c. A measurement of volume utilized in the C&D cells must be performed during the second quarter of the calendar year. The date and volumes, in cubic yards, must be included in the report. d. The amount of C&D waste, in tons from scale records, disposed in landfill cells since December 23, 1997 through the date of the annual volume survey must be included in the report. e. The tons of C&D waste recycled, recovered or diverted from disposal including a description of how and where the material was ultimately managed, as applicable, must be included in the report. f. The completed report must be forwarded to the Regional Environmental Senior Specialist for the facility by the date due on the prescribed annual facility report form. g. A copy of the completed report must be forwarded to each county manager for each county from which waste was received at the facility. Documentation that a copy of the report has been forwarded to the county managers must be sent to the Regional Environmental Specialist by the date due on the prescribed annual facility report form. PART IV: INDUSTRIAL LANDFILL UNIT(S) Not Applicable PART V: LAND CLEARING AND INERT DEBRIS LANDFILL UNIT(S) Not Applicable PART VI: TRANSFER STATION/TREATMENT & PROCESSING UNIT(S) Not Applicable Gaston County Landfill May 3, 2017 DIN: 27480 Page 19 of 22 PART VII: MISCELLANEOUS SOLID WASTE MANAGEMENT General Conditions 82. Wastes received and product stored shall be maintained in reasonably sized piles with adequate fire breaks and lanes in accordance with the approved operational plans and the pertinent rules. 83. Surface water shall be diverted from all operational and storage areas to prevent standing water in operational areas and under or around storage piles. Water that comes in contact with solid waste shall be contained on-site or properly treated prior to discharge. 84. These areas shall be operated and maintained with sufficient dust control measures to minimize airborne emissions and to prevent dust from becoming a nuisance or safety hazard. 85. These areas shall be operated and maintained in a manner so as to minimize odors, prevent the creation of a nuisance, potential health hazard, or a potential fire hazard. 86. Effective vector control measures shall be applied as necessary to control flies, rodents, insects, or vermin. 87. All miscellaneous solid waste management activities must be managed within the facility in the areas identified in the approved plans. Management of solid waste in areas of the facility other than that referenced above, require written permission of the Solid Waste Section. Type 1 Composting 88. This unit may receive only yard waste, silvicultural waste, untreated and unpainted wood waste. 89. This unit shall be operated in accordance with the approved plan and the operational requirements of 15A NCAC 13B .1406 90. Final product shall meet the label requirements of 15A NCAC 13B .1407(g). Operational Conditions – White Goods 91. The facility is permitted to receive white goods as defined in North Carolina General Statute Article 9, Chapter 130A-290(44). 92. The facility must manage white goods according to the Operation Plan included in the List of Documents for the Approved Plan. Any revisions to the approved plan shall be approved by the Section, prior to implementation. 93. White goods collection areas shall provide for the proper removal of chlorofluorocarbon refrigerants. Operational Conditions – Tires 94. The facility is permitted to receive tires and scrap tires as defined in North Carolina General Statute Article 9, Chapter 130A-309.53(6) & (7). 95. Scrap tire collection areas shall be operated in accordance with the requirements of 15A NCAC 13B, Rule .1107. Gaston County Landfill May 3, 2017 DIN: 27480 Page 20 of 22 96. The facility must manage tires according to the Operation Plan included in the List of Documents for the Approved Plan. This document is included in the approved plan. Any revisions to the approved plan shall be approved by the Section, prior to implementation. 97. The facility must manage tires according to all applicable statutes and rules of the State of North Carolina. Mobile Home Deconstruction 98. Storage of mobile homes, recyclable materials and deconstruction activities shall take place only in the designated mobile home deconstruction area, which shall be a graded area within the C&D unit. Gaston County shall notify the facility Waste Management Specialist, and receive approval, prior to moving the deconstruction activities from within the C&D unit, and shall modify the approved plan prior to changing the designated area. 99. All mobile homes must be deconstructed within 45 days from acceptance into the deconstruction area. The date of receipt at the landfill shall be posted on the mobile home or its frame. 100. All material not planned for recycling will be placed in an appropriate approved disposal unit before the end of the day in which deconstruction takes place. 101. Recyclable materials may be stockpiled at the mobile home deconstruction area for no more than 45 days from the date of deconstruction. 102. Records shall be kept at the facility in accordance with the approved plan. 103. Mobile homes may be accepted for deconstruction from Gaston County's approved service area. Treatment & Processing (Wood Grinding) 104. The facility is permitted to operate a treatment and processing facility as defined in 15A NCAC 13B, Rule .0101(49). 105. The facility is permitted to receive land clearing waste as defined in 15A NCAC 13B, Rule .0101(23). 106. The facility is permitted to receive wooden pallets constructed of unpainted and untreated natural wood. 107. The facility is permitted to receive yard trash as defined in 15A NCAC 13B, Rule .0101(55). However, this ground material containing yard trash may not be distributed to the public unless it has been composted in accordance with Rule .1400. 108. The facility must manage the treatment and processing according to the Operation Plan included in the List of Documents for the Approved Plan. Any revisions to the approved plan shall be approved by the Section, prior to implementation. - End of Section – Gaston County Landfill May 3, 2017 DIN: 27480 Page 21 of 22 ATTACHMENT 4 CONDITIONS OF PERMIT FOR CLOSURE PART I: GENERAL FACILITY Not Applicable PART II: MUNICIPAL SOLID WASTE LANDFILL UNIT(S) General Requirements 1. The landfill owner must maintain the integrity and effectiveness of the cap system, including making repairs to the cover as necessary to correct the effects of settlement, subsidence, erosion, or other events, and prevent surface water from impounding over waste and run-on and run-off from eroding or otherwise damaging the cap system. Mowing of vegetation on the landfill cover is required at least once per year. Trees on the final cover must be removed at least once per year. 2. The owner must maintain permanent markers that accurately identify the edge of the waste disposal boundary. 3. Public access to the landfill must be prevented by gates, fences, and/or other measures. The owner must maintain the public access preventive measures during the post-closure period. 4. Any post-closure use of the property, including but not limited to, residential, commercial, industrial, agricultural, or recreational use, is subject to review and approval by the Section and must not disturb the integrity of the cap system, or the function of the monitoring systems. The Section may approve any other disturbance if the owner or operator submits a modified post-closure plan which describes the planned use of the property and demonstrates that disturbance of the cap system, including any removal of waste, will not increase the potential threat to human health or the environment. Post-closure uses approved by the Section will be included in the List of Approved Documents. 5. All sedimentation and erosion control activities must be conducted in accordance with the Sedimentation Control Act N.C.G.S. 113A-50, et seq., and rules promulgated under 15A NCAC 4. All required sedimentation and erosion control measures must be installed and operable to mitigate excessive on-site erosion and to prevent silt from leaving the area of the landfill unit. 6. The owner or operator must ensure that the landfill units do not violate any applicable requirements developed under a State Implementation Plan approved or promulgated by the U.S. EPA Administrator pursuant to Section 110 of the Clean Air Act, as amended. Reporting and Recordkeeping 7. Documentation of well completion, development details, repair, abandonment, and all other pertinent activities associated with each groundwater and landfill gas monitoring well must be maintained in the facility operating record. The permittee must maintain a record of all Gaston County Landfill May 3, 2017 DIN: 27480 Page 22 of 22 groundwater, surface water, and landfill gas monitoring events and analytical data in the operating record. 8. Copies of this permit, the approved plans, and all records required to be maintained in the operating record by the permittee must be maintained at a location approved by the Section and made available to the Section upon request during normal business hours. 9. All forms, reports, maps, plans, and data submitted to the Section must include an electronic (pdf) copy. 3606-MSWLF-1986, Gaston County Landfill Specific Conditions 10. The owner must provide post-closure care and monitoring for the landfill. The post-closure period began in December 23, 1997. 11. The MSW landfill stopped receiving waste on December 23, 1997. PART III: CONSTRUCTION AND DEMOLITION DEBRIS LANDFILL UNIT(S) Not Applicable PART IV: INDUSTRIAL LANDFILL UNIT(S) Not Applicable PART V: LAND CLEARING AND INERT DEBRIS LANDFILL UNIT(S) Not Applicable PART VI: TRANSFER STATION/TREATMENT & PROCESSING UNIT(S) Not Applicable PART VII: MISCELLANEOUS SOLID WASTE MANAGEMENT Not Applicable - End of Conditions -