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in which sample recovery is not possible. <br /> The soil samples will be collected using a cr.lifornia <br /> Modified split-spoon sampler with brass liners. The sampler <br /> will be driven by a 14o-pound hammer repeatedly falling 30 <br /> inches (ASTM Standard 1586) . <br /> µ The laboratory samples will not have head-space and will <br /> be immediately sealed in their liners using aluminum foil-- <br /> lined plastic caps taped in place. The remaining sample will <br /> be removed from its liner to be used for sieve analysis, if <br /> appropriate, and to aid the on-site geologist in logging the <br /> material. <br /> n GROUNDWATER SAMPLING <br /> a All sampling equipment, including the pump, bailer and <br /> cables will be disassembled, if appropriate, and steam- <br /> cleaned prior to commencement of samplLig. These procedures <br /> will also be followed between each well or sampling point and <br /> at the end of the sampling day. De-ionized or organic--free <br /> water will then be introduced into the pump (or bailer) as <br /> the last stages of cleaning prior to the taking of each <br /> sample. <br /> Immediately prior to sampling, water levels and well <br /> depth measurements will be taken in all wells at the site. <br /> Each well will be evacuated using a Teflon bladder pump or a <br /> Teflon bailer. At least three well volumes will be evacuated <br /> from the wells. - -- --- - <br /> Parameters of the water condition will be measured and <br /> PAGE 5 <br /> is <br /> i <br />