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DocuSign Envelope ID:OFAODE08-7305-4FFE-A6D6-4462B49711 EF <br /> Mr.Kevin Lindley <br /> August 18,2017 <br /> Page 4 of 11 <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 /> ■ samples shall be obtained from three monitoring wells associated with the sanitary landfill <br /> (6801-MW6R, 6801-MW7R, 6801-MW17), and analyzed for the constituents listed in 40 <br /> CFR Part 258 Appendix I (15A NCAC 13B .1600), plus those constituents listed in <br /> Appendix II that have been previously and reliably detected at this facility (mercury, <br /> naphthalene, sulfide) <br /> ■ samples shall be obtained from nine monitoring wells associated with the sanitary landfill <br /> (6801-MW4, 6801-MW14A, 6801-MW14B, 6801-MW15, 6801-MW16, 6801-MW20, <br /> 6801-MW21S, 6801-MW21D, 6801-MW22), and analyzed for the constituents listed in <br /> 40 CFR Part 258 Appendix II (15A NCAC 13B .1600) <br /> ■ samples shall be obtained from two "nature and extent" monitoring wells (6801-MW23, <br /> 6801-MW24),and analyzed for the constituents listed in 40 CFR Part 258 Appendix I(15A <br /> NCAC 13B .1600),plus those constituents listed in Appendix II that have been previously <br /> and reliably detected at this facility(mercury,naphthalene, sulfide) <br /> ■ samples shall be obtained from four additional wells(6801-MW21S,6801-MW21D,6801- <br /> MW23, 6801-MW24) for chloride and carbon dioxide <br /> ■ samples shall be obtained from four monitoring wells associated with the groundwater <br /> remediation injection program (6801-MW21S, 6801-MW21D, 6801-MW23, 6801- <br /> MW24), and analyzed for the following additional inorganic constituents, in accordance <br /> with the approved Underground Injection Control permit: manganese,potassium <br /> ■ samples of surface water shall be obtained from two locations along Old Field Creek, and <br /> analyzed for the constituents listed in 40 CFR Part 258 Appendix 11 (15A NCAC 13B <br /> .1600) <br /> ■ analyze additional samples obtained from well MW-04 for constituents required by <br /> regulations for monitoring of C&D landfills (manganese, iron, chloride, sulfate, total <br /> dissolved solids, alkalinity) <br /> ■ analyze additional samples obtained from well MW-04 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 />