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DocuSign Envelope ID:OFAODE08-7305-4FFE-A6D6-4462B49711 EF <br /> Mr. Kevin Lindley <br /> August 18,2017 <br /> Page 3 of 11 <br /> ■ analyze additional samples obtained from well 6801-MW04 for constituents required by <br /> regulations for monitoring of C&D landfills (manganese, iron, chloride, sulfate, total <br /> dissolved solids, alkalinity) (well 6801-MW04 is associated with the monitoring programs <br /> for both the active C&D landfill and 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 printed copy of the report, which will be delivered to OCSWM. DAA will <br /> also prepare a digital version (Adobe Acrobat or functional equivalent) of the report and provide <br /> copies to OCSWM and to NC-DEQ. <br /> Task R00592-189N <br /> Groundwater Sampling Event 48-CA <br /> DAA proposes to conduct corrective action groundwater sampling event 48 (event 48-CA) at the <br /> Orange County Regional Landfill--North Facility during February, 2018. <br /> DAA shall coordinate field and laboratory services,obtain groundwater samples,review sampling <br /> documentation received from groundwater sampling personnel, chemically analyze groundwater <br /> samples (ENCO), validate analytical data provided by the contracted laboratory, update historical <br /> summary tables, 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-21 S, MW-21D) and two <br /> nature-and-extent wells (MW-23, MW-24) for the following constituents, as specified in <br /> the Underground Injection Permit: carbon dioxide, chloride, manganese, mercury, <br /> potassium,volatile organic 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 <br /> also prepare a digital version (Adobe Acrobat or functional equivalent) of the report and provide <br /> copies to OCSWM and to NC-DEQ. <br /> Task R00592-19ON <br /> Groundwater Sampling Event 49 (Event 2018 S 1) <br /> DAA proposes to conduct groundwater sampling event 49 at the Orange County Regional Landfill <br /> —North Facility during May, 2018. <br />