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RFSNA Industries Inc. <br /> Quality Assutancc/Qwlity Control Plan <br /> Revised November 1992 <br /> tubes. The bottom tube will be sealed with aluminum foil or teflon tape and plastic end <br /> caps, taped and labeled with the following information: <br /> ✓ date and time <br /> ✓ project ID <br /> ✓ sample ID <br /> ✓ name of sampler <br /> ✓ type of analysis to be performed <br /> This sample will be immediately placed into a cooler containing dry ice or frozen <br /> chemical ice. A "high-low" temperature recording thermometer will accompany sample <br /> shipments to ensure proper temperature maintenance. The samples will be delivered to <br /> a state certified laboratory following under chain-of-custody protocol within 48 hours of <br /> sampling, whenever possible. <br /> Soil in the uppermost brass tube will be described according to ASTM standard practice <br /> for description and identification of soils (ASTM D-2488-84). Stratigraphic, genetic and <br /> other data/interpretations will also be recorded. Soil properties may also be determined <br /> from the middle brass tube and from the sampler shoe. Alternatively the second sample <br /> tube may be used with the uppermost tube for preparation of duplicates. These field <br /> observations will be noted on a log prepared for each boring/well. <br /> During sampling, latex gloves will be worn to prevent cross-contamination with other <br /> samples. The disposable gloves will be discarded after collecting samples from each 18- <br /> inch sample drive. <br /> QAQC1092.FNL 10 - <br />