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til � <br /> r <br /> 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 7 9/30/91 440 1 5 2 3 0 7 3 2 <br /> 17/31/91 190 2 6 1 5 ND 2 6 <br /> 3/28/92 760 1 4 33 1 9 68 <br /> 7/8/93 200 21 0 6 ND 1 6 <br /> ULT 8 4/14/87 2,0000 NO NO NO ND NO <br /> 7/23/87 - NO NO NO ND NO <br /> 7/3/91 Pluged Pluged Pluged Pluged Pluged Pluged <br /> 9/30/91 Pluged Pluged Pluged Pluged Pluged Pluged <br /> 12/31/91 Pluged Pluged Pluged Pluged Pluged Pluged <br /> 3/28/92 Pluged Pluged Pluged Pluged Pluged Pluged <br /> 7/8/93 ND NO NO ND NO <br /> ULT 9 7/23/87 31,619 3,954 10,526 1,627 8,358 <br /> 7/3/91 13000 - 610 1,400 310 13,000 <br /> 9/30/91 7500 600 570 140 7,500 <br /> 12/31/91 7200 520 570 120 7,200 <br /> 3/18/92 17000 860 1,000 850 17,000 <br /> 7/8/93 1900 240 190 34 240 <br /> ND =Not detected above the Method Detection Limit <br /> = Not analyzed for the subject analyte <br />