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ATC Associates Inc <br /> Quality AssuranceJQuality Control Plan <br /> Revised 1998 <br /> 2.0 SAMPLE CONTAINERS <br /> Groundwater samples will be placed in containers supplied by the analytical laboratory Table 1 <br /> summarizes the required sample containers <br /> Soil samples will be collected in either 8-ounce widemouth clear glass jars provided by the laboratory <br /> or in clean brass or stainless steel tubes (Table 1) Screw on caps will be fitted with teflon liners <br /> Tubes will be tightly capped and sealed <br /> 3.0 QUALITY CONTROL FIELD SAMPLES <br /> A QC program independent from the laboratory's program will be instituted The program entails <br /> "blind" submittals to the laboratory of blank and duplicate samples No spiked samples will be supplied <br /> from the field for this investigation The laboratory in-house QC program will include analysts of <br /> spiked samples All QC samples will be assigned independent sample numbers and made <br /> indistinguishable from non-QC samples <br /> When sampling groundwater, travel blanks will be used to detect the introduction of contaminants <br /> during transportation from the field to the laboratory The travel blanks will be provided by the <br /> analytical laboratory They will be taken to the field and accompany the collected groundwater <br /> samples to the laboratory for analysis The blanks will consist of denontzed water and analytically <br /> confirmed organic-free water The blank is numbered, packaged, and sealed in the same manner as the <br /> other samples <br /> Ten percent of the water samples submitted to the laboratory for analysis will be duplicates Water <br /> sample duplicates will be created by filling two sample bottles from the well bailer If more than one <br /> bailer volume is required, each bailer volume will be split between containers <br />