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TABLE I <br /> ARC PUMP & WELDING, 1211 So TURNPIKE, STOCKTON, CA <br /> LABORATORY RESULTS OF WATER SAMPLES FROM MONITORING WELLS <br /> Field testing & sampling performed by Del-Tech Geotechnical <br /> Laboratory analyses done in 1995 & 1996 performed by FGL Environmental <br /> Laboratory analyses for BTEX& TPHg in 1997 performed by Sherwood Labs, Inc <br /> Analyses for MTBE, TAME, ETBE, & DIPE in 1997 performed by Sequoia Analytical <br /> Laboratory methods used and detection limits <br /> BTEX - EPA 60218020, ug/L, 0 3 <br /> TPHg - EPA 8015M, mg/L, 0 05 <br /> MTBE, DIPE, ETBE, TAME - EPA 8260, ug/L, 20 0 <br /> DATE BENZENE ETHYL- TOLUENE XYLENE TPHg MTBE <br /> BENZENE <br /> MW-1 <br /> 7195 1200 290 910 1000 65 NT <br /> 12195 580* 370* 510* 370 18* NT <br /> 4196 3400* 510* 830* 830* 53 200 <br /> 9/96 4600* 510* 1700* 1500* 17 0* ND <br /> 3/97 2850 251 380 826 131 NT <br /> 9/97 6680 677 184 2050 247 60 <br /> MW-2 <br /> 7/95 790 62 65 110 27 NT <br /> 12195 2200* 1000* 1600* 95 3 8 NT <br /> 4/96 1100* 90* 460* 190* 3 9 60 <br /> 9/96 880* 120* 280* 390* 31 ND <br /> 3/97 982 99 119 240 5 3 NT <br /> 9197 1310 194 212 533 607 ND <br /> MW-3 <br /> 7/95 310 240 120 2300 26 NT <br /> 12/95 530* 210* 52* 94 21 NT <br /> 4/96 600* 30* 31* 55* 18 100 <br /> 9196 3100* 580* 190* 680* 41* ND <br /> 3197 1610 299 133 248 847 NT <br /> 9197 1810 249 103 178 1663 1 21 <br /> NOTES <br /> (1) * - Detection limit adjusted due to dilutions concentrations or limited sample <br /> (2) ETBE, TAME, & DIPE were ND for all wells <br /> wM J HUNTER &ASSOC SUMMARY OF RESULTS OF WATER <br /> 2220MANALYSES FROM MONITORING WELLS TABLE I <br /> SACRAMENTO, <br /> CA CA 95858 25 <br />