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14P i <br /> a <br /> Smith Technology Corporation <br /> Quality Assurance/Quality Control Plan <br /> Revised February 1995 <br /> sewer Drummed water will be labeled with the source of the water to help ensure appropriate disposal <br /> based on contarnmation levels <br /> 11.0 SOIL SAMPLING PROTOCOL <br /> 11.1 Sample Collection During Drilling Activities <br /> A proposal will be submitted to the lead regulatory authority with proposed bonng/samphng <br /> locations The exact location and number of borings at each site will be determined in the field <br /> by the Project Geologist/Engineer <br /> Prior to arriving at the sample site, the drill ng/augers will be steam cleaned and all sample <br /> equipment will be cleaned Cleaning will be conducted on-site on all sampling equipment <br /> between each sample interval <br /> Soil samples will be obtained using a California modified split-spoon sampler containing three <br /> 6-inch long, 2-inch diameter brass tubes The sampler will be driven 18-inches ahead of the <br /> hollow stem auger by a 140-pound hammer with a 30-inch drop in accordance with American <br /> Society for Testing and Materials (ASTM) Methods D 1586-84 for split barrel sampling of soil <br /> and D 1587-83 for thin-walled tube sampling of soils The blows required to drive the sampler <br /> each 6-mch interval will be recorded on the boring log The sampler will be removed from the <br /> boring and opened to reveal the brass tubes The bottom tube will be sealed with aluminum <br /> foil or teflon tape and plastic end 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 /> iw\Admin\ShellslQAQC-97 DOC <br />