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SIERRA <br /> Clint Rogers Page 2 <br /> June 13, 1991 <br /> SES Project #2-217-00 <br /> and grease (O&G); halogenated volatile organic compounds (HVOCs); pesticides; and <br /> herbicides. <br /> 3. A grab ground water sample will be collected from the boring. The water sample will be <br /> analyzed for TPPH(G), TPH(D), BTEX, O&G, HVOCs, pesticides and herbicides. <br /> 4. Arrange for disposal of the drill cuttings. <br /> 5. Report the results. <br /> Each of these tasks is described below. <br /> Task 1 - Site Safety Plan <br /> SES will prepare a site-specific safety plan. The safety plan will identify potential site <br /> hazards and specify procedures to protect site workers. The safety plan will be on-site during field <br /> operations. The site safety plan is included under separate cover. <br /> Tasks 2 and 3 - Soil Boring and Chemical Analysis <br /> One soil boring will be drilled at the site. The boring will be drilled with a hollow-stem <br /> auger drill rig by Soils Exploration Services of Vacaville, California, C57#582696. <br /> All drilling equipment will be steam-cleaned prior to use and all sampling equipment will <br /> be washed between samples using an EPA-approved detergent such as Liquinox and rinsed with <br /> potable water. <br /> The borings will be logged in accordance with SES Standard Operating Procedure-Logging <br /> Method (Appendix B) under the supervision of Roger Greensfelder, R.G. #003011. <br /> Soil samples will be collected from the boring at intervals no greater than 5 ft in steam- <br /> cleaned or new brass tubes in accordance with SES Standard Operating Procedure-Soil Sampling <br /> (Appendix B). SES will attempt to collect a soil sample at the soil/ground water interface. Soil <br /> samples will be collected at intervals of less than 5 ft if there is a change in soil type or if volatile <br /> organic compounds are detected by field personnel or with the OVM. <br />