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' August 8, 1988 AGS Job No. 38053-1 <br /> Former Texaco Service Station, Manteca, California <br /> evidence of product detected in the well will be recorded. if no <br /> floating product is detected, the wells will be developed and <br /> purged and samples will be collected for laboratory analysis. <br /> After an initial water-level measurement, the wells will be <br /> developed by swabbing, surge-blocking, surge-pumping, or another <br /> suitable method. The wells will then be purged of approximately <br /> three to four well volumes of water using a submersible pump. <br /> Water purged from the wells will be ,toned in steel drums until <br /> suitable disposal options are delineated based on the laboratory <br /> analyses. Following ground-water recovery to static conditions, <br /> a sample representative of the formation water will be collected <br /> from each well using a Teflon bailer cleaned with Alconox and <br /> deionized water. <br /> The water sample will be sealed in laboratory-cleaned, glass <br /> vials with Teflon-lined lids, labeled, and immediately placed in <br /> ' iced storage. Chain of Custody Records will be initiated in the <br /> field by the geologist and will accompany the samples to the <br /> analytical laboratory. Copies of the Chain of Custody Records <br /> will be included in our final report. <br /> 13 <br /> A,v .,or G°eosystems <br />