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2-6 7 2.3.4 (Quality Assurance As a means of providing adequate quality assurance, Remcor will collect one replicate soil sample during this project. The replicate sample will be labeled with the following sample identification: RTI-REPT-1417 This sample will be handled and analyzed in the same manner as its counterpart sample. ., 2.4 TASK 4 - GROUND WATER SAMPLING Based on Remcor's current assumption that ground water will be encountered above 30 feet, three monitoring wells will be installed. These wells will be sampled to determine the qual- ity of ground water at the site. Remcor will also sample the two existing site ground water production wells, which are drilled to depths of between 120 and 180 feet. The production wells will be sampled at spigots at locations identified by Remcor as the best suited location to collect samples. Remcor will also make a thorough inventory of the production wells at the site noting well depth, construction details, and, if practical, water level in the wells. The ground water samples and a field blank sample will be placed in a uniquely labeled, laboratory-prepared sample container. The labeling system will be similar to that used during the soil sampling, as discussed earlier. Upon collection, each sample will be placed in a cooler and chilled to approximately 4 degrees centigrade. Upon completion of chain-of- custody and request-for-analysis forms, the samples will be shipped via overnight courier to the subcontract analytical laboratory for analysis. The sample will be analyzed for RCRA metals, TCL VOCs, ammonia, and hexavalent chromium. 2.5 TASK 5 - VISUAL INSPECTION OF SEPTIC SYSTEM Remcor will visually inspect the septic system lines from the Engine Room. This inspection will determine the location of each floor drain and the pipe size. If cleanouts are present, they will be located. If sludge is present in a cleanout located in the Engine Room, a sample :24"7