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f , <br /> TABLE 2 <br /> ANALYTICAL RESULTS GROUND WATER <br /> FORMER EXXON SERVICE STATION RAS #7-01[37 <br /> 1605 SOUTH ELDORADO, STOCKTON, CALIFORNIA <br /> (All nesultg in parts-per-billion) <br /> Monitoring Date Total Aromatic Volatile Organics <br /> Well Collected Petroleum <br /> H,6drocarbons <br /> Ethylene Total <br /> Gasoline Benzene Toluene Etltvl. Total Dtbromtde Lead <br /> benzene Yvlenes <br /> MW-3 07/11/91 940 90 15 < 78 <0 5 <5 0 <br /> 10/17/91 390 43 1 8 52 47 <0 05 50 <br /> 01/17/92 580 170 46 130 100 <0 02 90 <br /> 04/22192 550 11 12 78 85 --- 80 <br /> 09124'92 420 88 38 12 80 --- -- <br /> 12/17192 620 17 22 12 84 --- --- <br /> 03/25/93 910 37 12 21 130 --- --- <br /> 06/21l93 640 21 11 14 73 --- --- <br /> 08/24/93 460 13 5 7 12 49 --- <br /> t 1/24193 <br /> --11/24193 67 26 06 14 53 --- --- <br /> 02/15/94 300 11 13 1 5 3 2 --- --- <br /> 05/],2/94 220 38 46 < 70 --- --- <br /> 08/16j94 240 66 < 40 86 --- --- <br /> 11/16x94 400 23 38 13 22 --- --- <br /> 02/10195 220 42 < 069 < --- --- <br /> 05/12/95 250 15- < 70 37 --- --- <br /> %f W-4 <br /> --%fW-4 06/21/93 < < < < < --- --- <br /> 08/24193 < < 32 < 38 --- --- <br /> 11/24/93 < < < < < --- --- <br /> 02/15l94 < c < < c <br /> 05/12/94 < < < < < <br /> 08116(94 < < < < < --- --- <br /> 11/16/94 < < < < < --- --- <br /> 02/10/95 < < 24 058 30 -- --- <br /> 05/12195 < < < < < --- -. <br /> LMW-5 06/21/93 350 17 08 < 73 --- <br /> 08/24/93 210 12 43 < 37 --- --- <br /> 11/24/93 200 72 07 < 24 - -- <br /> 02/15/94 160 < 06 < 08 --- --- <br /> 05112194 140 < < < < -_- --- <br /> 08/16/94 52 < < < < <br /> 11/16/94 110 1 1 27 < < -__ --- <br /> 02/10195 200 < < < < --- --- <br /> 05112l95 130• < 11 < 10 --- --- <br /> MW-6 0612V93 71 42 < < < ___ __- <br /> 08/24/93 63 45 23 < 1 5 --- --- <br /> 11/24193 73 58 < < < --- <br /> 02/15194 75 38 < < < --- <br /> 05/12/94 62 34 < < < --- --- <br /> 08/16/94 < 16 < < < ___ __- <br /> 11/16194 < 09 < < < .. --- <br /> 02/10l95 < < < < < ___ __- <br /> 05/12/95 085 < < < <br /> NOTES < = Below Practical Quantitation Reporting Limits(POL)per-rn Regional Board Staff Recommendations for Preliminary Evaluation and Investigation of <br /> Underground Tank Sites (August 10 1990) (PQL for STEX=0 5 ppb TPH as gasoline and diesel=50 ppb) <br /> ce a Leu than indicated elevated laboratory detection limit <br /> = Not analyzed <br /> = Laboratory reported unidentified hydrocarbon<C8 <br /> Pugro <br /> 934710441May 1995 <br />