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s <br /> During each sampling event, the bottom sample insert was <br /> removed immediately from the sampler and securely sealed <br /> with Teflon sheeting and polyurethane caps. The sample was <br /> labeled with sample identification, sample depth, geologist's <br /> initials, and date of collection. The soil sample was kept <br /> on ice prior to and during transport to a California <br /> certified laboratory. <br /> The remaining soil recovered was then extruded from the <br /> sample insert and described in accordance with the Unified <br /> Soil Classification System. For each soil type, field <br /> estimates of density/consistency, moisture, color, grading, <br /> and soil type were recorded on the boring logs. <br /> na <br /> sw, <br /> } <br /> rt <br />