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M, SANCHEZ, 1876 COUNTRY CLUB DRIVE, STOCKTON, CA <br /> SUMMARY OF RESULTS OF LABORATORY ANALYZES OF 6ROUNDWATER SAMPLES <br /> FROM MONITORING WELLS LOCATED ON THE PROPERTY. <br /> Samples taken by Del-Tech Geotechnical & analyzed by FSL <br /> laboratory <br /> METHODS: BTEX - EPA 8020; TPN-G EPA BU15M; EPA 501 <br /> UNITS: BTEX, ug/L, TPN-u, mg/L; EPA 501, ug/L <br /> DETECTION LIMITS: BTEX - 0.3; TPH-G - 0 05; EPA-501 0 5 <br /> a0TE: Detection limits for some samples taken B/25 & 12,94 for <br /> BTEX increased due to sample matrix interferences Refer to <br /> I <br /> aboratory worksheets for details. <br /> MONITORING WELL #1 <br /> RESULTS RESULTS RESULTS RESJLTS RE5LLTS RESULTS RESULTS RESULTS RESULTS <br /> COMPONENT 4121/93 7123/93 11/1/93 1126194 4129194 8125/94 12129/94 3/23195 8/1/95 <br /> Benzene 8250 13000 16UOO 26300 8500 10000 9300 11000 120u0 <br /> Toluene 275 3300 1000 490 IWO 270 150 200 770 <br /> EBenzene 650 2300 1700 650 1500 900 770 900 1800 <br /> Xylene 2250 13000 8300 2700 5400 3200 2400 3100 8000 <br /> TFH-6 23.6 23,0 28,0 21,0 17.6 23 25 6.1 19 U <br /> Bromodichloromethane NO NT NT NT <br /> Bromoform NO NT NT NT <br /> Chloroform ND NT NT NT <br /> Dibromochloromethane NO NT NT NT <br /> Total Trihalomethanes NO NT NT NT <br /> MONITORING WELL #2 <br /> RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS <br /> COMPONENT 4121193 7/23/93 11/1193 1126/94 4129194 8125194 12/29194 3/23195 811/95 <br /> Benzene 2 2 720 650 NO 13.0 1.8 76 4.1 NO <br /> Toluene NO 210 ND 3.5 NO 1.1 1.0 NO ND <br /> EBenzene ND 82.0 NO 47 0 ND 3.6 5.7 NO NO <br /> Xylene NO 210 NO 59 ND 2 6 7.4 NO NO <br /> TPH-G NO 1.9 3,3 0.63 0.41 71 111 ND NO <br /> MONITORING WELL 13 <br /> RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS RESULTS <br /> COMPONENT 4/21/93 7123/93 11/1193 1126194 4129144 8125194 12/29/94 3/23/95 811195 <br /> Benzene 730 2200 3300 2100 1000 2200 1500 1100 570 <br /> Toluene 35.0 60u 120 53.0 30 0 NO 110 70 5.4 <br /> EBenzene 115 400 390 250 97.0 240 290 190 100 <br /> Xylene 240 1300 140 240 40.0 190 290 40 130 <br /> TPH-G 4.0 6.5 6.2 7 7 2.6 6,1 11 2 4 1,8 <br /> Bromodichloromethane NO NT NT NT <br /> Bromoform NO NT NT NT <br /> Chloroform NO NT NT NT <br /> Dihromochloromethane NO NT NT NT <br /> Total Tr:halomethanes NO NT NT NT <br /> MONITORING WELL #4 <br /> RESULTS RESULTS RESULTS RESULTS <br /> COMPONENT 9128194 12/29/94 3123195 811195 <br /> Benzene ND ND NO ND <br /> Toluene NO NO NO NO <br /> EBenzene NO NO ND NO <br /> Xylene ND NO ND NO <br /> TPH-G ND NO ND NO <br /> MONITORING WELL #5 <br /> RESULTS RESULTS REDLrS RESULTS <br /> COMPONENT 9/28/94 12/29/94 3/2:195 8/1195 <br /> Benzene NO NO ND ND <br /> Toluene NO ND NO NO <br /> EBenzene ND NO ND NO <br /> Xylene ND NO ND ND <br /> TPH-G NO ND NO NO <br /> WM J HUNTER & ASSOCDR <br /> 2220 Lo14�A VISTA DR SUMMARY OF RESULTS OF WATER ANALYZES FROM <br /> SACRAMENTO, CA 95825 MONITORING WELLS SINCE START OF PROJECT TABLE I <br />