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DocuSign Envelope ID:09434BEC-1F7E-41E5-A9D1-4CA5D7ECE339 <br /> Seti n III°° uu iim 23 <br /> ualll inc. ti L ns f III y I eirs iiinelll <br /> Donald M. Mark oviC , PE <br /> Project Engineer <br /> tor <br /> livier�, Mr.Marickovich is responsible for developing and implementing strategies for <br /> 1;r <br /> 'P 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 /> f, the migration of methane gas off-site. <br /> Bedford County Landfill No. 1,Bedford County,VA: Design, bidding, installation <br /> Senior Project Engineer and operation of an active gas collection system successful in preventing gas <br /> 24 years with the firm migration. System consists of 41 collection wells,approximately 5,825 LF of HDPE <br /> 36 years of experience piping,and a 70 to 700 SCFM blower/flare station. <br /> Education Henrico County,Richmond,Virginia: Expansion of landfill gas recovery and <br /> • M.S./1990/ collections system, operations and optimization of system. <br /> Environmental <br /> EngineeringNirginia Smyth County Landfill,Smyth County,VA: Development and implementation of <br /> Tech a gas remediation plan. Design, procurement and installation of a 30 to 250 scfm <br /> • B.S./1976/Physics/ blower flare station.Operating, monitoring and adjusting the active gas extraction <br /> Drexel University system. <br /> Professional Washington County Landfill,Washington County,VA: Implementation and <br /> Registration coordination of a gas remediation plan involving the relocation of gas probes and <br /> • Professional design, installation and operation of an active gas collection system for migration <br /> Engineer/1999NA 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 /> Expertise Areas of <br /> ▪ Landfill gas modeling Harrisonburg Landfill,City of Harrisonburg,VA: Developed, procured and <br /> and system design started up a portable gas extraction testing system used to evaluate the <br /> ▪ Design, bidding, effectiveness of active gas collection at the landfill. Assisted in the design,start- <br /> installation and up and balancing of permnent active gas collection system that is successful in <br /> operation of active gas preventing gas migration. <br /> collection systems <br /> • Development and Augusta Regional Landfill,Augusta County,VA: New Source Review Air Permit <br /> implementation Application for expansion of the landfill. Landfill Title V Air Permit Application <br /> of landfill gas and submittal. Tier 2 testing and reporting. Dust Control Plan development and <br /> remediation plans for submittal. Air emissions estimating and reporting. <br /> gas migration issues <br /> Draper Aden Associates <br /> Enginethg Sul el Mg .-EnuiranmenklServIces„ <br />