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Cumulative Table of Well Data and Analytical Results , <br /> Vertical Measurements are in feet Analytical results are an arts per billion(ppb) <br /> p Well Ground Depth <br /> DATE' Head Water To Notes TPH- Benzene Toluene Ethyl- Xylene MTBE <br /> i Elev Elev Water Gasoline Benzene <br /> MW'-4 (CONT'D) <br /> 02/25/97 2 81 -672 953 - 110 0 5 <0 5 <0 5 <0 5 16 <br /> 05/06/97 2 81 -770 1051 -- <50* <0 5 <0 5 <0 5 <0 5 3600 <br /> 09/29/97 2 81 -1041 1322 -- <1000 <10 <10 <10 <10 2100 <br /> 11/25/97 281 -1039 1320 * <50 <05 <0 5 <0 5 <0 5 48 <br /> 03/26/98 2 81 -397 678 {" 65 1 9 <0 5 <05 <0 5 1300 <br /> 06/24/98 2 81 -582 863 ** <50 <0 5 <0 5 <0 5 <0 5 4700 <br /> 09/10/98 2 81 -779 1060 - <500 13 <50 <5 0 <50 6600 <br /> 12/17/98 2 81 -775 1056 - <50 <05 <0 5 <05 <0 5 2900 <br /> E <br /> U <br /> I <br /> �I <br /> i <br /> G z <br /> � r <br /> i <br /> 1` I <br /> i <br /> IE it <br /> I` <br /> li <br /> ' <br /> *MTBE by EPA 8260 was detected at 54 ppb Ethanol, t-Butanol, RIPE, TAME and ETBE by EPA 8260 and Methanol by EPA 8020 were not detected <br /> see,lab report for detection limits <br /> ** See5able of Additional Analyses <br /> I" } <br /> i <br /> I Blaine Tech Services, Inc 981217-C2 4th-Q 1998 Monitoring at Chevron 9-4275 2905 W Benjamin Holt or, Stockton, CA 8 <br /> i <br /> t <br />