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ORANGE COUNTY <br />BOARD OF COMMISSIONERS <br />ACTION AGENDA ITEM ABSTRACT <br />Meeting Date: January 26, 2004 <br />Action Agenda <br />Item No. J <br />SUBJECT: Agreement For Groundwater Monitoring for the Orange County Landfill <br />DEPARTMENT: Solid Waste <br />PUBLIC HEARING: (Y/N) No <br />ATTACHMENT(S): <br />Agreement with Research and <br />Analytical Laboratories, Inc. for <br />Groundwater Monitoring <br />INFORMATION CONTACT: <br />Gayle Wilson, Solid Waste Director <br />968-2885 <br />TELEPHONE NUMBERS: <br />Hillsborough 732-8181 <br />Chapel Hill 968-4501 <br />Durham 688-7331 <br />Mebane 336-227-2031 <br />PURPOSE: To extend the Solid Waste Department agreement with Research and Analytical <br />Laboratories, Inc. for ground water monitoring services at the Orange County Landfill for three <br />additional years through December 31, 2006. <br />BACKGROUND: Research and Analytical Laboratories have been providing semi-annual <br />groundwater monitoring services at the landfill since 1992. Ground water monitoring is required <br />by the Division of Waste Management, North Carolina Department of Environment <br />and Natural Resources. <br />The landfill currently monitors 29 groundwater wells and two surface water sampling locations <br />on a semiannual schedule in accordance with SECTION .1632 GROUNDWATERSAMPLING <br />AND ANALYSIS REQUIREMENTS as contained in SECTION.1600 REQUIREMENTS FOR <br />MUNICIPAL SOLID WASTE LANDFILL FACILITIES (MSWLFs). There are 15 wells on the <br />north side of Eubanks Road and 14 wells on the south side. <br />Groundwater elevations are measured immediately prior to purging each time groundwater is <br />sampled. The groundwater elevations are used to prepare a groundwater contour map, which <br />is used to determine the direction of the groundwater flow. Samples are taken for analysis of <br />organic and inorganic constituents. The laboratory results are forwarded to Draper Aden <br />Associates for preparation of the groundwater report. The report contains all of the historical <br />data from previous groundwater analyses and any recommendations for further investigations. <br />The semiannual report is forwarded to the Department of Environment and Natural Resources, <br />Division of Solid Waste. <br />The new C&D landfill has an approved groundwater monitoring plan. Sampling will commence <br />after the new landfill is constructed and prior to accepting construction and demolition waste. <br />The New C&D landfill will have 6 new groundwater wells and one surface water location that will