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Mr. Bruce Woody <br />September 14, 2022 <br />Page 2 <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 seven compliance wells (6801-MW101, 6801-MW102S, 6801-MW104, 6801-MW106, 6801-MW107, 6801-MW110S, 6801-MW111) for the constituents listed in Appendix I <br /> analyze samples obtained from one compliance well (6801-MW105) for the constituents listed in Appendix II <br /> analyze additional samples obtained from well 6801-MW110S for constituents required by 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 a digital version (Adobe Acrobat or functional equivalent) of the report and provide it to <br />OCSWM and to NC- DEQ. <br />Task-03 Groundwater Sampling Event 58 (Event 2023 S1) <br />DAA proposes to conduct groundwater sampling event 58 at the Orange County Regional Landfill – South <br />Facility during May 2023. <br /> DAA shall coordinate field and laboratory services, obtain groundwater samples, review sampling documentation received from groundwater sampling personnel, chemically analyze groundwater samples (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 eight compliance wells (6801-MW101, 6801-MW102S, 6801- <br />MW104, 6801-MW105, 6801-MW106, 6801-MW107, 6801-MW110S, 6801-MW111) for the <br />constituents listed in Appendix I <br />DocuSign Envelope ID: 21390D41-F8A1-49C4-9611-9D1427191899