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i <br /> GSI Field Methods and Procedures <br /> Updated August 19, 1994 <br /> Page 3 <br /> Well Develo ment and Sampling <br /> Wells are developed and sampled by Unocal Corporation's (Unocal's) monitoring <br /> and sampling contractor. <br /> Storing and Sampling of Drill Cuttings <br /> Drill cuttings are stockpiled on plastic sheeting Stockpile samples are collected <br /> on the basis of one composite sample per 50 cubic yards of soil Each composite <br /> stockpile sample is composed of 4 discrete sample tubes, composited in the <br /> laboratory prior to analysis Locations of each discrete stockpile sample are <br /> chosen arbitrarily <br /> Each discrete stockpile sample is collected by removing the upper 3 to 6 Inches <br /> of soil, and them driving the stainless steel or brass sample tube into the <br /> stockpiled material with a hand, mallet, or drive sampler The sample tubes are <br /> then covered on both ends with teflon sheeting or aluminum foil, capped, labeled, <br /> and placed in a cooler with blue Ice for preservation A chain-of-custody form is <br /> initiated in the field and accompanies the selected soil samples to the analytical <br /> laboratory Stockpiled soils are covered with plastic sheeting after completion of <br /> sampling <br /> GeoStrategies Inc. <br /> i'► <br /> P <br /> •r <br />