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` L <br /> F <br /> a of Eorincs <br /> ttings and samples were logged using the Unified Soil Classification System. Samples <br /> ected for chemical analysis and the soil in the sampler shoe were extruded in the field <br /> amined using visual and manual methods. Logs include records of texture, color, <br /> re,plasticity,consistency, blow counts, and any other characteristics noted along with <br /> ce for the presence of hydrocarbons such as soil staining, obvious product odor, and <br /> PID readings. After terminating the borings, they were backfilled using a tremie pipe with <br /> a cement-bentonite slurry to surface grade. <br /> Sample Labeling and Handlir <br /> The soil samples selected for possible laboratory analysis were removed from the sampler <br /> and quickly sealed in their brass sleeves with aluminum foil, plastic caps, and aluminized <br /> duct tape. The respective sample containers were labeled in the field with the job number, <br /> sample location and depth, and date, and promptly placed in iced storage for transport to <br /> the laboratory. Chain of Custody Records were initiated in the field by the geologist and <br /> accompanied the samples to a laboratory certified by the State of California to perform the <br /> analyses requested. <br /> Orr <br /> APPA90' GeaSysteMs <br />