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COMMONWEALTH of VIRGINIA DEPARTMENT of ENVIRONMENTAL QUALITY NORTHERN REGIONAL OFFICE Molly Joseph Ward 13901 Crown Court, Woodbridge, Virginia 22193 David K

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COMMONWEALTH of VIRGINIA DEPARTMENT of ENVIRONMENTAL QUALITY NORTHERN REGIONAL OFFICE Molly Joseph Ward 13901 Crown Court, Woodbridge, Virginia 22193 David K COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY NORTHERN REGIONAL OFFICE Molly Joseph Ward 13901 Crown Court, Woodbridge, Virginia 22193 David K. Paylor Secretary of Natural Resources (703) 583-3800 Fax (703) 583-3821 Director www.deq.virginia.gov Thomas A. Faha Regional Director SOLID WASTE FACILITY PERMIT NUMBER 001 Facility Name: Loudoun County Solid Waste Management Facility Facility Type: Sanitary Landfill Latitude: N 39° 02' 34" Site Location: County of Loudoun, Virginia Longitude: W 77° 35' 21" Location Description: The Loudoun County Solid Waste Management Facility (LCSWMF) is located at 21101 Evergreen Mills Road, Leesburg, Virginia 20175, on the west side of State Route 621, approximately 1 mile south of State Route 649. Background: The facility is a publicly owned and operated sanitary landfill that serves the residents and businesses of Loudoun County, Virginia. The wastes accepted include those wastes identified in Module II, which is based on the information provided on DEQ Form SW PTB signed May 19, 2014. Solid Waste Permit Number 001 (SWP001) was initially issued to the County of Loudoun by the Virginia Department of Health on May 17, 1971 to operate a 72 acre disposal facility. On November 7, 1984, the Virginia Department of Health issued SWP448 to expand the facility by additional 133 acres. At the request of the County of Loudoun, the Virginia Department of Solid Waste Management consolidated both permits into SWP001, on July 9, 1986, to operate as the LCSWMF. SWP570 was issued to the County of Loudoun by the Virginia Department of Environmental Quality, on September 13, 1994 to construct and operate the Woods Road Solid Waste Management Facility (WRSWMF), located on a site contiguous to the LCSWMF. As part of the fifth permit modification to SWP001, issued on March 20, 2001, SWP570 was consolidated into SWP001. As a result, the amalgamated facility has been operating as the Loudoun County Solid Waste Managing Facility (LCSWMF), consisting of the former LCSWMF, which is referred to as the Loudoun County Landfill Disposal Unit (LCLFDU) and the former WRSWMF, which is referred to as the Woods Road Disposal Unit (WRDU). Loudoun County Solid Waste Management Facility Major Modification Solid Waste Permit 001 May 2020 The consolidated facility consists of approximately 424.3 acres, with an approved Waste Management Boundary (WMB) of 230 acres, based on Part A approval dated June 13, 2000. Prior to this permit modification, the facility was subdivided into the LCLFDU, which comprised 71.7 acres, and the WRDU, which consisted of 126 acres. The LCLFDU included the Old Fill, Phase I, Phase II, Phase IIA, Phase IIB, Phase IIIA, Phase IIIB, and Phase IIIC, and the WRDU was divided into five phases enumerated Phases I to V. As part of the thirteenth permit modification to SWP001, issued on March 20, 2015 landfill mining of the Old Fill was permitted and the disposal area was further consolidated into a single fill mound with a disposal capacity of 27,953,888 cubic yards divided into eleven disposal areas identified as Phase I, Phase II, Phase IIA/IIB, Cell 1 A, Cell 1 B, Cell 1 C, Cell 2A, Cell 28, Cell R 1, and Cell R2. Permit Modification: This permit modification is the 15th to SWP001, which was originally issued on May 17, 1971. This permit modification allows: a) The reclassification of a portion of the permitted WRDU from a municipal solid waste (MSW) unit to a dedicated construction, demolition debris (CDD) disposal unit. The new area will include a 48 acre disposal area divided up into five (5) cells identified as; A1, A2, A3, B1, and B2. This CDD area will have a disposal capacity of 6,140,000 cubic yards. b) Design modifications to the liner, leachate collection, final cover system, stormwater management, and landfill gas collection and control system to accommodate the new permitted CDD disposal unit; and c) Revisions to the groundwater monitoring system including a new Groundwater Monitoring Plan. All previous permit modifications and variances are outlined in details in Module I, Section I.G., and previous approval letters are found in Permit Attachment I-1. THIS IS TO CERTIFY THAT: The County of Loudoun Department of General Services 801 Sycolin Road S.E., Suite 300 Leesburg, Virginia 20175 is hereby granted a permit to construct, operate, and maintain the facility as described in the attached Permit Modules I, II, III, X, XI, XII, XIII and XIV and Permit Documents incorporated by reference. These Permit Modules and Permit Documents are as referenced hereinafter and are incorporated into and become a part of this permit. The herein described activity is to be established, modified, constructed, installed, operated, used, maintained, and closed in accordance with the terms and conditions of this permit and the plans, specifications, and reports submitted and cited in the permit. The facility shall comply with all Page 2 of 7 Loudoun County Solid Waste Management Facility Major Modification Solid Waste Permit 001 May 2020 regulations of the Virginia Waste Management Board. In accordance with Chapter 14, § 10.1 - 1408.1(D) of the Code of Virginia, prior to issuing this permit, any comments by the local government and general public have been investigated and evaluated and it has been determined that the facility poses no substantial present or potential danger to human health or the environment. The permit contains such conditions and requirements as are deemed necessary to comply with the requirements of the Virginia Code, the regulations of the Board, and to prevent substantial or present danger to human health or the environment. Failure to comply with the terms and conditions of this permit shall constitute grounds for the revocation or suspension of this permit and for the initiation of necessary enforcement actions. The permit is issued in accordance with the provisions of § 10.1-1408.1.A, Chapter 14, Title 10.1, Code of Virginia (1950) as amended. Variances that have been approved for this facility are included in Permit Attachment I-1. SWP001 Issued: May 17, 1971 Part A Approval: August 13, 1991 Part A Approval: June 13, 2000 (LCLFDU Expansion into Phase III) Modification 1: July 9, 1986 Modification 2: December 12, 1997 Modification 3: March 13, 1998 Modification 4: June 15, 2000 Modification 5: March 20, 2001 Modification 6: September 12, 2003 Modification 7: June 5, 2006 Modification 8: August 24, 2007 Modification 9: March 25, 2009 Modification 10: September 4, 2012 Modification 11: June 12, 2013 Modification 12: March 12, 2014 Modification 13: March 20, 2015 Modification 14: March 2, 2016 Variance 1: December 12, 1997 Variance 2: March 19, 2001 Variance 3: May 15, 2007 Variance 4: June 14, 2013 SWP448 Issued November 7, 1984 Revoked July 9, 1986 Page 3 of 7 Loudoun County Solid Waste Management Facility Major Modification Solid Waste Permit 001 May 2020 SWP570 Part A Approval July 22, 1993 (WRDU) Issued September 13, 1994 Revoked August 24, 2007 APPROVED: _________________________________ Thomas A. Faha Regional Director DATE: _________________________________ Modification 15 Page 4 of 7 Loudoun County Solid Waste Management Facility Major Modification Solid Waste Permit 001 May 2020 PERMIT MODULES REFERENCE LIST PERMIT MODULE I – GENERAL PERMIT CONDITIONS PERMIT ATTACHMENT I-1, PREVIOUS PERMIT APPROVAL LETTERS PERMIT MODULE II – CONDITIONS OF OPERATION PERMIT MODULE III – LANDFILL DESIGN PERMIT MODULE X – DETECTION GROUNDWATER MONITORING REQUIREMENTS PERMIT MODULE XI – ASSESSMENT GROUNDWATER MONITORING REQUIREMENTS PERMIT MODULE XII – CLOSURE PERMIT MODULE XIII – POST-CLOSURE CARE PERMIT MODULE XIV – PRESUMPTIVE REMEDY - GROUNDWATER CORRECTIVE ACTION Page 5 of 7 Loudoun County Solid Waste Management Facility Major Modification Solid Waste Permit 001 May 2020 PERMIT DOCUMENTS The documents listed below are hereby incorporated into this permit and the permittee is subject to all conditions contained therein. It is the responsibility of the permittee to properly maintain and update these documents. Any version with a revision date other than as listed below is not considered to be the official approved version and is subject to Department review and approval prior to being recognized as the “permitted” version. 1. Part B Permit Modification No. 15 Application, Loudoun County Solid Waste Management Facility Permit No. 1, prepared for the County of Loudoun, Virginia, by Solid Waste Services, LLC, of Reston, Virginia, dated May 3, 2019, and containing the following documents: 1.a. Design Plans, DEQ Permit No. 1, Permit Modification No. 13, Commonwealth of Virginia, Part B Permit Application for the Loudoun County Solid Waste Management Facility, prepared by Solid Waste Services, LLC, of Reston, Virginia, and dated May 15, 2014. 1.b. Closure Plan, Loudoun County Solid Waste Management Facility Permit No. 1, Permit Modification No. 15, prepared for the County of Loudoun, Virginia, by Solid Waste Services, LLC, of Reston, Virginia, and dated May 3, 2019. 1.c. Post Closure Care Plan, Loudoun County Solid Waste Management Facility Permit No. 1, Permit Modification No. 15, prepared for the County of Loudoun, Virginia, by Solid Waste Services, LLC, of Reston, Virginia, and dated May 3, 2019. 1.d. Design Report, Loudoun County Solid Waste Management Facility Permit No. 1, Permit Modification No. 15, prepared for the County of Loudoun, Virginia, by Solid Waste Services, LLC, of Reston, Virginia, and dated May 3, 2019. 1.e. Construction Quality Assurance Plan, Loudoun County Solid Waste Management Facility Permit No. 1,prepared for the County of Loudoun, Virginia, by Solid Waste Services, LLC, of Reston, Virginia, and dated May 15, 2014. 1.f. Leachate Management Plan, Loudoun County Solid Waste Management Facility Permit No. 1, Permit Modification No. 15, prepared for the County of Loudoun, Virginia, by Solid Waste Services, LLC, of Reston, Virginia, dated May 3, 2019. 1.g. Landfill Gas Management Plan, Loudoun County Solid Waste Management Facility Permit No.
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