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DocuSign Envelope ID: EFA88B6F-0355-4B44-B93F-9D3AE5DE91C0 <br /> Mr. Kevin Lindley <br /> February 1,2018 <br /> Page 3 of 11 <br /> ■ analyze additional samples obtained from well 6801-MW04 for constituents required by regulations <br /> for monitoring of C&D landfills (manganese, iron, chloride, sulfate, total dissolved solids, alkalinity) <br /> (well 6801-MW04 is associated with the monitoring programs for both the active C&D landfill and <br /> North sanitary landfill) <br /> ■ analyze additional samples obtained from well 6801-MW04 for quality control parameters <br /> ■ analyze one trip blank for quality control parameters <br /> DAA will prepare one primed copy of the report,which will be delivered to OCSWM. DAA will also prepare a <br /> digital version (Adobe Acrobat or functional equivalent) of the report and provide it to OCSWM and to NC- <br /> DEQ. <br /> Task R00592- <br /> Groundwater Sampling Event 50-CA <br /> DAA proposes to conduct corrective action groundwater sampling event 50 (event 50-CA) at the Orange <br /> County Regional Landfill North Facility during February, 2079. <br /> DAA shall coordinate field and laboratory services, obtain groundwater samples, review sampling <br /> documentation received from groundwater sampling personnel, chemically analyze groundwater samples <br /> (ENCO), validate analytical data provided by the contracted laboratory, update historical summary tables, <br /> and prepare a report suitable for direct submission to NC-DEQ. <br /> During the subject sampling event, the laboratory will: <br /> ■ analyze samples obtained from two compliance wells (MW-21S, MW-21D) and two nature-and- <br /> extent wells (MW-23, MW-24) for the following constituents, as specified in the Underground <br /> Injection Permit: carbon dioxide, chloride, manganese, mercury, potassium, volatile organic <br /> compounds listed in NC-DEQ Appendix I <br /> DAA will prepare one printed copy of the report, which will be delivered to OCSWM. DAA will also prepare a <br /> digital version (Adobe Acrobat or functional equivalent) of the report and provide it to OCSWM and to NC- <br /> DEQ. <br /> Task R00592- <br /> Groundwater Sampling Event 51 (Event 2019 S1) <br /> DAA proposes to conduct groundwater sampling event 51 at the Orange County Regional Landfill — North <br /> Facility during May, 2019. <br /> Blacksburg. V4 • Charlottesville, VA • Hamplon Loads, J 4 • Richvtond, T'A • Hemassas, VA, <br /> Vgvwileville, NC - Raleigh, AIC <br />