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■®Z' INC <br /> moisture content, staining, and odor Samples will also be checked with an OVM <br /> Lithologic logs for each excavation will be compiled utilizing the sample descriptions <br /> ' The sampler will be washed with a non-phosphate cleaner and double rinsed with water <br /> after each use This will assure that contamination is not transferred to other excavation <br /> samples The cleaning will take place on established cleaning sites and the effluent will <br /> be contained <br /> 3.3 Field Identification of Contaminated Soil <br /> The field determination regarding the presence or absence of hydrocarbon contamination <br /> will be based on visual sample inspection for the presence of staining, odor, and OVM <br /> readings The presence of odor and staining in conjunction with positive OVM readings <br /> will be used to establish the presence of hydrocarbon contamination in sod samples from <br /> the excavation <br /> Determination of the absence of contamination in a sod sample will be based on absence <br /> iof odor, absence of staining and OVM readings in the range of background values <br /> Background OVM readings will be established at the top of the excavation to a depth not <br /> ' greater than five feet <br /> i <br /> i <br /> APPENDIX 111 <br /> 08220010 005 4 <br /> I <br /> I <br />