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that TPHg (70 ppm) was present beneath the 4,000-gallon tank formerly located at the northwest <br /> corner of the site,the laboratory analyses, however, indicated that the sample collected from beneath <br /> ' the 8,000-gal tank, formerly located at the southeast corner of the site, contained no detectable <br /> concentration(<0 5 ppm)of TPHg(Table 1) Benzene was not detected in either sample analyzed <br /> by the laboratory Soluble lead and EDB were not detected In soil sample S-13-3N <br /> TABLE 1 <br /> LABORATORY RESULTS OF SOIL SAMPLES <br /> TANK REMOVAL AND STOCKPILE <br /> ' 1766 MONTE DIABLO <br /> STOCKTON, CALIFORNIA <br /> Sample Number TPHg Benzene Toluene Ethyl- Total WET <br /> benzene Xylenes Lead <br /> ' Tank Rem va <br /> S-13-3N 70 <0 125 4 17 74 <0 05 <br /> S-14-2S <0 5 <0 005 0 077 <0 005 0 054 NA <br /> ' Stockpile- (8-6) <br /> S-SP1-A,B,C 32 <0125 <0125 <0125 19 NA <br /> S-SP2-A,B,C 23 <0 005 <0 005 <0 005 32 NA <br /> S-SP3-A,B,C 45 <0 005 <0 005 <0 005 <0 015 NA <br /> S-SP4-A,B,C 37 <0 005 <0 005 099 11 NA <br /> ' S-SP5-A,B,C <0 5 <0 005 <0 005 <0 005 <0 015 NA <br /> t9ck tjg(11-26) <br /> ' S-SP 1-D,E,F <1 <0 005 <0 005 <0 005 <0 015 NA <br /> S-SP2-D,E,F <1 <0 005 <0 005 <0 005 <0 015 NA <br /> S-SP3-D,E,F <1 <0 005 <0 005 <0 005 <0 015 NA <br /> ' S-SP4-D,E,F <1 <0 005 <0 005 <0 005 <0 015 NA <br /> S-SP5-D,E,F <1 <0 005 <0 005 <0 005 <0 015 NA <br /> S-SSP-A,B,C <1 <0 005 <0 005 <0 005 <0 015 NA <br /> Laboratory analyses performed by Matrix Environmental Laboratories <br /> Laboratory results reported in mg/kg (parts per million) <br /> TPHg = Total Petroleum Hydrocarbons as gasoline <br /> ' WET = Waste Extraction Test <br /> NA=Not Analyzed <br /> <0 005 =Less than the laboratory method detection limits <br /> ' 2731 QUAIL STREET AVIS,CALIFORNIA 95616 916 7,56 IMI <br /> GE 004 010 srr 2 GRAYLAND ENVIRONMENTAL <br />