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A-3 <br /> Each sample container submitted for analysis had a label affixed to identify the job number, sample date, <br /> time of sample collection, and a sample number unique to that sample. Samples were analyzed by a <br /> California-certified Iaboratory. <br /> A chain-of-custody form was used to record possession of the sample from time of collection to its arrival <br /> at the laboratory. When the samples were shipped, the person in custody of them relinquished the <br /> samples by signing the chain-of-custody form and noting the time. The sample control officer at the <br /> laboratory verified sample integrity and confirmed that it was collected in the proper container, preserved <br /> correctly, and that there was an adequate volume for analysis. <br /> 6.0 SURVEYING <br /> The top of each new well riser was surveyed to allow correlation of the ground water levels at the site. <br /> The surveyed point on each well riser was marked to insure all future ground water level measurements <br /> are taken from the same location. All new elevations were surveyed relative to an existing well (MW-3) <br /> with an elevation of 48.73 feet, to the nearest 0.01-foot. <br /> LxPzs3.Tn <br />