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TABLE 3 <br /> (Continued) <br /> RESULTS OF ANALYSES OF GROUNDWATER SAMPLES <br /> FROM MONITORING WELLS AT 152 and 153 EAST 11th STREET,TRACY,CALIFORNIA <br /> Well Sampling TPH TVH Benzene Toluene Ethyl Total <br /> No Date (as Gas) Benzene Xylenes <br /> ppb ppb ppb ppb ppb ppb <br /> ULT 1 9/30/91 350 15 NO 0 8 4 0 <br /> 12/31/91 320 13 1 1 0 9 37 <br /> 3/28/92 470 - 11 0 8 0 7 5 0 <br /> 718/93 110 - 21 06 NO 13 <br /> ULT 2 411187 - 30,000 1,700 1,800 - 72 <br /> 7/13187 - 1,418 317 8 98 138 <br /> 7/2/91 4,700 = 98 37 48 100 <br /> 9/30/91 12,000 540 44 130 140 <br /> 12/31/91 28,000 - 190 86 140 300 <br /> 3/18192 4,400 - 80 56 78 150 <br /> 718193 9,800 1500 NO 170 150 <br /> ULT 3 411187 = NO NO NO - NO ' <br /> 7123/87 160 120 70 NO NO <br /> 7/7/91 NO - NO NO NO 0 9 <br /> 9130/91 NO - NO NO NO NO <br /> 12/31/91 NO - NO NO NO NO <br /> 3/28/92 NO NO NO NO NO <br /> 7/8/93 NO - NO NO NO NO <br /> ULT 4 4114/87 4,000 1,700 200 200 600 400 <br /> 7/23/87 - 252 117 14 15 19 <br /> 7/3/91 880 120 18 81 25 <br /> 9/30191 580 65 06 4 2 8 3 <br /> 12/31/91 370 - 22 NO 0 7 0 8 <br /> 3/28192 310 - 16 0,8 0 6 1 2 <br /> 7/8193 370 NO NO NO NO <br /> ULT 5 4/14/87 12,000 3,200 200 200 100 300 <br /> 7123187 - 1,102 43 6 83 70 <br /> 7/3191 1,000 89 18 15 52 <br /> 9/30191 2,000 - 78 68 6 4 17 <br /> 12/31/91 600 - 2 2 26 3 4 49 <br /> 3/18/92 920 7 4 NO 2 9 3 2 <br /> 718193 180 - 45 NO 1 8 2 8 <br /> Continued on next page <br /> 1 <br />