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4 <br /> TABLE 6 <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 /> NAV 1 3/18/88 - 3 300 0 970 2700 NO 1200 <br /> 1120/93 ND - ND ND NO 17 <br /> 7/8/93 ND - 10 NO NO 20 <br /> NAV 2 3118/88 - NO 40 ND ND NO <br /> 1/20193 NO - ND NO ND NO <br /> 7/8193 NO - NO ND NO NO <br /> NAV 3 3/18188 - 23 000 520 1 300 2 100 11 000 <br /> 1120193 1300 - 37 20 71 160 <br /> 718193 3 000 - 35 ND 74 130 <br /> NAV 4 3/18188 - 40 000 900 6 600 1900 15 000 <br /> 1120193 25 000 60 1 400 420 7 300 <br /> 7/8/93 3 800 - 24 43 09 700 <br /> NAV 5 718193 ND - ND NO NO NO <br /> NAV 6 718/93 ND - ND NO ND ND <br /> NAV 7 718193 ND - ND NO ND ND <br /> NAV 8 718/93 ND - ND ND ND NO <br /> ULT 1 411/87 - 3 700 13 80 - NO <br /> 7123187 671 122 40 70 24 <br /> 713191 160 - 35 NO 07 23 <br /> 9130/91 350 - 15 ND 08 40 <br /> y 12131/91 320 _ 13 11 09 37 <br /> 3/'28/92 470 - 11 08 07 so <br /> 7/8193 110 - 21 06 ND 13 <br /> ULT 2 411/87 - 30 000 1 700 1 800 - 72 <br /> 7123187 - 1418 317 8 98 138 <br /> 7/V91 4 700 - 98 37 48 100 <br /> 9/30/91 12 000 - 540 44 130 140 <br /> 12f31/91 28 000 - 190 86 140 300 <br /> 0 3128192 4 400 80 56 78 150 <br /> 7/8193 9 800 - 15m ND 170 150 <br /> Cbnmaedon nexlpage <br />