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Mr. Bruce Woody <br />August 8, 2020 <br />Page 2 <br /> <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 /> <br />During the subject sampling event, the laboratory will: <br />▪ analyze samples obtained from seven compliance wells (6801-MW101, 6801-MW102S, 6801- <br />MW104, 6801-MW106, 6801-MW107, 6801-MW110S, 6801-MW111) for the constituents listed <br />in Appendix I <br />▪ analyze samples obtained from one compliance well (6801-MW105) for the constituents listed <br />in Appendix II <br />▪ analyze additional samples obtained from well 6801-MW110S for constituents required by <br />regulations for monitoring of C&D landfills (manganese, iron, mercury, chloride, sulfate, <br />tetrahydrofuran, total dissolved solids, alkalinity) (well 6801-MW110S is associated with the <br />monitoring programs for both the active C&D landfill and South sanitary landfill) <br />▪ analyze samples obtained from well 6801-MW110D for total arsenic <br />▪ analyze additional samples obtained from well 6801-MW110S for quality control parameters <br />▪ analyze one trip blank for quality control parameters <br /> <br />In addition to the above tasks, DAA plans to coordinate with field personnel to obtain leachate samples <br />from the South Facility, and chemically analyze the samples for the constituents listed in Appendix I, plus <br />BOD, COD, manganese, mercury, nitrate, sulfate, and phosphate. <br /> <br />DAA will prepare one printed copy of the report, which will be delivered to OCSWM. DAA will also prepare <br />a digital version (Adobe Acrobat or functional equivalent) of the report and provide it to OCSWM and to <br />NC- DEQ. <br /> <br />Task R00592-231S-03 <br />Groundwater Sampling Event 54 (Event 2021 S1) <br /> <br />DAA proposes to conduct groundwater sampling event 54 at the Orange County Regional Landfill – <br />South Facility during May, 2021. <br /> <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 /> <br />During the subject sampling event, the laboratory will: <br />DocuSign Envelope ID: C7A3140E-4A17-4E91-92BC-D87506B7FE8B