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HomeMy WebLinkAbout7401_PittCountyMSWLF_AssessmentResponse_DIN27529_20170316 March 16, 2017 Sent Via Email – john.demary@pittcountync.gov Mr. John Demary Pitt County Director of Solid Waste & Recycling 3025 Landfill Road Greenville, NC 27834 Re: Proposal for Assessment of Benzene Contamination Migration Pitt County MSW Landfill (Northern and Southern) Pitt County Solid Waste Permit Number 74-01 DIN 27529 Dear Mr. Demary: The NC Solid Waste Section has completed a review of the Proposal for Assessment of Benzene Contamination Migration dated March 15, 2017 (DIN 27528) submitted on your behalf by Groundwater Management Associates, Inc. (GMA) for the closed Pitt County MSW Landfill, NC Solid Waste Permit Number 6013. During the January 2017 semiannual water quality monitoring event benzene was detected at concentrations exceeding the NC 2L Groundwater Standards in two groundwater monitoring wells. Based upon the groundwater exceedances, Pitt County is requesting to collect two pore water samples from the beneath the southern boundary ditch and analyze for Appendix I constituents. The proposed sampling locations are located down gradient of groundwater monitoring well P20R during for the July 2017 semiannual water quality monitoring event. As a result, the Proposal for Assessment of Benzene Contamination Migration is approved as described. If you have any questions, please feel free to contact me by email at jaclynne.drummond@ncdenr.gov or by phone at 828.296.4706. Thank you for your continued cooperation with this matter. Sincerely, Jaclynne Drummond Compliance Hydrogeologist Solid Waste Section, Division of Waste Management NCDEQ cc sent via email: Tim Corley, Pitt County Engineer Jason Watkins, Field Operations Branch Head Drew Hammonds, Eastern District Supervisor Ray Williams, Environmental Senior Specialist Elizabeth Werner, Permitting Hydrogeologist Emma Shipley, GMA Steve Campbell, GMA