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Section Four <br />Qualifications of Key Personnel <br />Engineering Surveying Environmental Services <br />Draper Aden Associates <br />23 <br />Senior Project Engineer <br />24 years with the firm <br />36 years of experience <br />Education <br />• M.S./1990/ <br />Environmental <br />Engineering/Virginia <br />Tech <br />• B.S./1976/Physics/ <br />Drexel University <br />Professional <br />Registration <br />• Professional <br />Engineer/1999/VA <br />Areas of Expertise <br />• Landfill gas modeling <br />and system design <br />• Design, bidding, <br />installation and <br />operation of active gas <br />collection systems <br />• Development and <br />implementation <br />of landfill gas <br />remediation plans for <br />gas migration issues <br />Mr. Marickovich is responsible for developing and implementing strategies for <br />monitoring and controlling methane gas at solid waste facilities. Tasks include <br />development of gas management programs, design, bidding, and installation of active <br />gas collection systems, evaluation of monitoring results, interfacing with regulatory <br />agencies, and the development and implementation of remediation plans to prevent <br />the migration of methane gas off-site. <br />Bedford County Landfill No. 1, Bedford County, VA: Design, bidding, installation <br />and operation of an active gas collection system successful in preventing gas <br />migration. System consists of 41 collection wells, approximately 5,825 LF of HDPE <br />piping, and a 70 to 700 SCFM blower/flare station. <br />Henrico County, Richmond, Virginia: Expansion of landfill gas recovery and <br />collections system, operations and optimization of system. <br />Smyth County Landfill, Smyth County, VA: Development and implementation of <br />a gas remediation plan. Design, procurement and installation of a 30 to 250 scfm <br />blower flare station. Operating, monitoring and adjusting the active gas extraction <br />system. <br />Washington County Landfill, Washington County, VA: Implementation and <br />coordination of a gas remediation plan involving the relocation of gas probes and <br />design, installation and operation of an active gas collection system for migration <br />control. System consists of nine active wells including one pulling from bedrock <br />voids, about 2,025 LF of HDPE and PVC piping, and two separate blowers. <br />Harrisonburg Landfill, City of Harrisonburg, VA: Developed, procured and <br />started up a portable gas extraction testing system used to evaluate the <br />effectiveness of active gas collection at the landfill. Assisted in the design, start- <br />up and balancing of permnent active gas collection system that is successful in <br />preventing gas migration. <br />Augusta Regional Landfill, Augusta County, VA: New Source Review Air Permit <br />Application for expansion of the landfill. Landfill Title V Air Permit Application <br />and submittal. Tier 2 testing and reporting. Dust Control Plan development and <br />submittal. Air emissions estimating and reporting. <br />Donald M. Marickovich, PE <br />Project Engineer <br />DocuSign Envelope ID: 09434BEC-1F7E-41E5-A9D1-4CA5D7ECE339DocuSign Envelope ID: 730B0EA2-D934-4504-B42A-928DAE22F3FBDocuSign Envelope ID: C1C843D1-0612-4ACA-B0CC-D3438AF3B3FA