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r' <br /> Snuth Technology Corporation <br /> Quality Assurance/Quality Control Plan <br /> Revised February 1995 <br /> This sample will be immediately placed into a cooler containing dry ice or frozen chemical ice <br /> A "lugh-low" temperature recording thermometer will accompany sample shipments to ensure <br /> proper temperature maintenance The samples will be delivered to a state certified laboratory <br /> following under chain-of-custody protocol within 48 hours of sampling, whenever possible <br /> Soil in the uppermost brass tube will be described according to ASTM standard practice for <br /> description and identification of soils (ASTM D-2488-84) Stratigraphuc, genetic and other <br /> datafmterpretations will also be recorded Soil properties may also be determined from the <br /> puddle brass tube and from the sampler shoe Alternatively the second sample tube may be <br /> used with the uppermost tube for preparation of duplicates These field observations will be <br /> noted on a log prepared for each bonng/well <br /> During sampling, latex gloves will be worn to prevent cross-contamination with other samples <br /> The disposable gloves will be discarded after collecting samples from each 18-inch sample <br /> drive <br /> Soil samples will be collected at 5-foot intervals, at significant changes in lithology and intervals <br /> of obvious contamination in order to develop a complete profile of soil contamination <br /> 11.2 Sample Collection During Tank Removal <br /> Soil samples will be collected as soon as possible after removal of the tank Where feasible, all <br /> preparations for soil sampling will be made prior to tank removal Soil samples collected from <br /> a backhoe bucket or directly from the excavation floor will be collected m a thin-walled <br /> stainless steel or brass cylinder at least 3-inches long by 1-inch in diameter From 3 to 24- <br /> iw 1AdmmlSheI1s1QAQC-97 DOC <br />