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# tu. <br /> VAPOR EXTRACTION SYSTEM OPERA11ON <br /> 7-ELEVEN STORE <br /> 9110 THORNTON AVE. <br /> i <br /> STOCKTON,CA <br /> Table 5. <br /> INITIAL SKC CHARCOAL TUBF ANALYSES OF 7SWELLS <br /> Well TPH as Gas Benzene Toluene Ethyl Benzene Total X,lenes <br /> mg/m3 mg/m3 mg/m3 mglm3 mg/ma <br /> RW-1 220 N.D. 9.0 N.D. 1.5 <br /> MW-1 4,8[10 21 14 130 590 <br /> MW-3 1,560 3.5 66 10 31 <br /> i MW-4 120 N.D. 3.2 N.D. 1.6 <br /> VP-1 10 N.D. N.D. N.D. 1.9 <br /> VP-2 340 1.2 18 2.7 13 <br /> VP- N.D. N.D. N.D. N.D. N.D. <br /> VP-4 10 N.D.. N.D. N.D. N.D. <br /> All samples were obtained on January 5, 1990 by sampling the regenerative blower <br /> I exhaust during indrrldual Isolation of each well on the blower. <br /> N.D. = not detected. <br /> 0 <br /> e <br /> i . <br /> i <br /> �� <br /> VAPOR EXTRACTION TECHNOLOGY, INC. <br />