ARCHIVED REPORTS XR0001230 - Laserfiche WebLink

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Cumulative Table of Well Data and Analytical Results Vertical Measurements are in feet Analytical results are in parts per billion (ppb) Well Ground Depth Total DATE Head Water To Notes TPH Benzene Toluene Ethyl Xylene TPH- MTBE EPA 1,2-DCA Phenol Oil & Cr Cd Pb Ni Zn Elev Elev Water Gasoline Benzene Diesel 8270 Grease MW-1 03/23/95 1038 23 22 33 60 - - -_ __ - 05/26/95 10 38 21 91 32 29 340 67 <0 5 11 7 2 170* 7 9 14 <5000 44 15 59 110 08/15/95 10 38 -21 40 31 78 57 12 <0 5 0 79 067 54* 5 8 <5 0 <5000 150 9 2 150 260 11/16/95 10 38 20 47 30 85 4900 750 <12 100 150 650` 17 8 3 <5000 <10 100 <50 20 02/27/96 1038 -1906 2944 1200 130 <2 5 45 28 500* 17 <5 0 <5000 <10 100 <50 33 05/15/96 1038 -1748 27 86 240 3 8 <0 5 21 <0 5 - 19 -- – -- -- -- 06119196 1038 1703 2741 -- - - - 350* -- <5 0-<10 15 <5 0 <5000 <10 100 <50 20 08!22!96 10 38 1668 2706 3500 590 <10 <10 270 1800* 510 •' 33 43 <5000 <10 100 <50 17 11/25/96 1038 16 27 2666 8400 800 <10 140 550 1300* 110 <5 0 <10 81 12 7900 <10 100 <50 35 05/19/97 10 38 -13 56 23 94 8600 1700 <20 420 430 1600" 1900 *** 49 32 <5000 <10 100 <50 210 08/21/97 10 38 1420 24 58 5900 1 100 <10 340 330 1000* 1300 .... 44 9 3 <5000 <10 100 <50 120 11/17/97 1038 -15 17 25 55 5000 780 <10 180 150 1400* 1300 + 14 7 7 17,000 <10 <5 0 <50 35 11/17197 1038 15 17 25 55 EPA 8260 ++ - -- - - - 1800 - - - - 02/09/98 1038 2205 32 43 620 110 1 8 15 23 130* 280 <5 0 <10 8 2 <5 0 <5000 <10 100 <50 85 05/21/98 1038 -9 19 19 57 <50 <0 5 <0 5 <0 5 <0 5 500* 4 1 <5 0 <10 <0 5 <5 0 <5000 <10 100 <50 180 05/21/98 1038 -9 19 19 57 EPA 8260 ++ -- - - - - - 4 9 08/11/98 10 38 900 19 38 1200 71 4 5 2 0 7 9 1000* 300 47 <5 0 5500 <10 - <5 0 <50 270 11109/98 1038 10 14 20 52 2400 420 <10 12 30 600* 7000 +++ 47 <5 0 <5000 <10 - <5 0 <50 150 02/17/99 10 38 927 1965 87 <0 5 077 0 6 <0 5 220* 80 <10-<50 0 96 -- <5000 <10 <10 <5 0 <30 43 7 05/25/99 1038 -874 19 12 <50 <0 5 <0 5 <0 5 <0 5 140* 210 <5 0 <50 2 9 <5 0 <1000 <10 <10 <20 10 140 08/18/99 1038 -9 81 20 19 198 11 5 6 38 9 11 18 2 359 1560 - 3 41 - <5000 <10 <10 100 <50 113 08/27/99 1038 -10 13 20 51 -- -- - - -- - <5 0-<10 -- <5 0 - -- - - - _ 11/05/99 1038 1062 21 00 348 52 1 323 5 26 986 270* 4090 — 228 <5 0 <5000 <10 <10 100 <50 966 * Chromatogram pattern indicates an unidentified hydrocarbon ** 2 Methylnaphtalene and Naphthalene were 8 7 and 33 ppb respectively **' 2 Methylnaphtalene and Naphthalene were 8 7 and 50 ppb respectively **** Naphthalene was detected at 34 ppb + 2 Methylna phta lone and Naphthalene were 5 3 and 35 ppb respectively ++ Ethanol, t Butanol, DIPE, TAME and ETBE by EPA 8260 were not detected, see lab report for detection limits +++ Naphthalene was detected at 6 8 ppb 'Die thylphthalate was detected at 6 9 ppb — Due to laboratory error TPH-Diesel was not analyzed --- Napthalene was detected at 5 70 ppb, all otherVOC's were not detected at <5 0 <10 Blaine Tech Services, Inc 991105-M 1 4th Q 1999 Monitoring at Chevron 9-2033 508 W Charter Way, Stockton, CA