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1 t , <br /> I <br /> See Figure 4 for Xhe location of the initial sampling points A brass sampling tube was driven <br /> into the native soil with a rubber mallet and removed full of soil The ends were then covered <br /> with aluminum foil, capped with plastic caps, sealed with silver duct tape and labeled. The <br /> i <br /> samples were then stored on ice at 4'C, logged on a sample management form, and taken to <br /> AEMC's EPA certified laboratory for analyses Table 3 contains a summary of the analytical <br /> results. <br /> i <br /> TABLE 3 <br /> CONSTITUENT CONCENTRATIONS IN <br /> 4 INITIAL TANK EXCAVATION SAMPLES <br /> FABRICARE <br /> 4 Stockton, California <br /> I <br /> CONSTITUENT TPA-2 TPA-1 <br /> • Benzene(a) ND ND <br /> Ethylbenzene(a) 7,900 ND <br /> Toluene(a) 1,100 ND <br /> Xylenes(a) 140,000 ND <br /> 4 TPH(b)(c) 2,000 ND <br /> ND =Non-detectable <br /> (a) Concentrations in parts per billion <br /> (b) Total Petroleum Hydrocarbons <br /> (C) Concentrations in parts per million <br /> 4 <br /> All backfill material was placed on plastic sheeting and covered with plastic in accordance <br /> with San Joaquin County Air Distnct regulations <br /> j riUb-06(ms2-4) Page 12 <br />