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L <br />'23 <br /> Julian Munoz WEISS ASSOCIATES <br /> March 30, 1988 4 <br /> TABLE 1. Analytic Results for Concrete Slab Sampling; Safeway Meat Packing, <br /> Stockton, California. <br /> Analytic Results <br /> Sample Depth," (Ppm) <br /> ID (ft) TFHC <br /> SL-A-1' i = <10 <br /> SL-B-0.5' 0,5 NA <br /> SL-B-1.5' 1.5 NA <br /> SL-C-0.5' 0.5 NA <br /> SL-C-11 1 NA <br /> SL-D-0.5' 0.5 56 <br /> SL-D-1' 1 NA <br /> SL-E-1' 1 19 <br /> SL-F-0.5' 0.5 NA <br /> � SL-G-1.5' 1.5 <br /> NA <br /> SL-H-1' 1 27 <br /> NA R Not Analyzed <br /> a a Dppth below bottom of slab. Bottom of slab occurs at about 14.5 £t below <br /> ground surface. <br /> GROUND VATER GRADIENT <br /> i A ground water elevation contour map for data recorded on 28 March <br /> indicates a gentle northward ground water gradient of 0.002 ft/ft, <br /> (Figure..__. 2?indicates <br /> This direction of ground water flow does not coincide with the rioit,wes wa - <br /> direction of flow reported on 15 October 1987. Seasonal variations in ground <br /> water flow direction or changes in ground water recharge conditions may be <br /> responsible for the difference. <br />