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10 <br /> coliform because it is within 100 feet of a sewer line Samples collected for TPH-G <br /> and BTEX analysis were placed in 40-milliliter (ml) VOC bottles and preserved with <br /> hydrochloric acid (HCL), EDB samples were placed in unpreserved 40-m1 VOC bottles; <br /> and the coliform sample was placed in a coliform bottle with a special preservative <br /> tablet <br /> Ground water sample containers were labeled with the protect name, project number, <br /> sampling date, sampling time, well number, and sampler's initials The bottles were <br /> then placed in protective containers, as necessary, sealed in ZIplocT"` bags, and stored <br /> in a refrigerated ice chest Samples were transported to West Labs by courier on <br /> November 5, 1991 , under the proper chain-of-custody documentation Copies of the <br /> final laboratory reports and chain-of-custody documentation are provided in <br /> Appendix E <br /> 5 3 Ground Water Elevation <br /> Prior to ground water sampling, the depth to ground water was measured with an <br /> electronic sounder Surveying and groundwater elevation data are presented in Table <br /> f1 The ground water elevations from November 4, 1992, are plotted and contoured <br /> on Figure 3 According to this data, the ground water gradient at the site generally <br /> flows in an easterly direction The elevation of the ground water beneath the site is <br /> generally 10 5 feet above mean sea level <br /> PLXW W 163CREPORTSISITE ASSWANTECA"ANTECA nPT IApr 26 931 CsnoweEnvzronmental <br />