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Tabie <br /> Groundwater VOlytical Data <br /> Former ARCO Service Station#4493 <br /> 205 North Center Street <br /> Stockton,California <br /> cls- 1,2- Tms-1,2 Tetrachloro- Trichloro- 1,2,4- 1,3,5- <br /> n-Butyl- sac-Butyl- dichloro- dichloro- Chloro- Isopropyl- Naphth- n-Propyi- 1,1,2,2-Tetra- ethene 1,1,2-Trichlo- ethene Trimethyl- trimethyi- <br /> Well Date benzene benzene ethane ethane form benzene alene benzene chloroethane (PCE) methane (TCE) benzene benzene <br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) _ (ppb) (ppb) (ppb) (ppb) _(Ppb) (ppb) <br /> MW-1 2/16/1999 NO NO 39.4 NO 11.1 NO NO NO ND ND ND 433 NO ND <br /> 3/10/1999 -- -- - -- -- -- -- -- -- -- <br /> 06117l99 <10 <10 202 2.62 <2 <10 <25 <10 7.04 2.34 2.36 126 4.40 <2.0 <br /> 09/24/99 - -- -- -- - -- -- -- -- -• -- -- <br /> 12/16/99 2.38 <2.0 262 3.28 <2.0 <2.0 <5 <2.0 <2.0 <2.0 <2.0 37.6 <2 <2 <br /> 03/28/00 <5.00 <2.00 368 4.7 <2.00 <2.00 <5.00 <2.00 2.38 2.74 2.20 227 <2.00 <2.00 <br /> 06/19/00 !2.00 11.00 369 3.66 4.00 4.00 <5.00 <5.00 2.16 <2.00 2.20 153 <2.00 <2.00 <br /> MW-2 2/16/1999 NO NO 10.6 NO NO NO NO NO NO 2.50 ND 106 NO ND <br /> 3/10/1999 -- -- -- -- -- -- -- -- -- -- -- -- <br /> 06117/99 <10 <10 3.54 <2.0 <2 <10 <25 <10 <2.0 <2.0 <2.0 59.2 <2.D <2.0 <br /> 09/24/99 <2.0 <2.0 3.84 <2.0 <2.0 <2.0 <5.0 <2.0 <2.0 <2.0 <2.0 54.4 <2.0 <2.0 <br /> 12/16/99 <2.0 <2.0 3.36 <2.0 <2.0 <2.0 <5.0 Q.0 <2.0 <2.0 <2.0 53.4 <2.0 <2.0 <br /> 03/28/00 <2.00 <2.00 8.80 <2.00 <2.00 <2.00 <6.00 <2.00 <2,00 <2.00 <2.00 96.6 <2.00 <2.00 <br /> 06/19/00 11.00 4.00 4.62 4.00 11.00 <2.00 <5.00 <5.00 <2.00 <2.00 <2.00 77.6 <2.00 <2.00 <br /> MW-3 2/16/1999 NO NO NO NO ND NO NO NO NO NO NO 2.09 NO ND <br /> 3/10/1999 -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> 06/17/99 <10 <10 <2.0 <2.0 <2 <10 <25 <10 <2.0 <2.0 <2.0 <2.0 2.96 <2.0 <br /> 09/24/99 -- -- -- -- -- -- -- -- -- -- -- •- -- <br /> 12/16/99 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 <5,0 <2.0 Q.0 <2.0 <2.0 <2.0 <2.0 <2.0 <br /> 03/28/00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <5.00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <br /> 06/19/00 11.00 4.00 4.00 4.00 <2.00 <2.00 <5.00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <br /> MW-4 2/16/1999 63.8 NO NO NO 21.3 59.2 342 216 ND ND ND ND ND ND <br /> 3/10/1999 -- -- -- -- -- -- -- -- -- -- -• -- -- -- <br /> U17/1999 40.4 14.3 67.6 <2.0 <2 47.2 372 179 <2.0 <2.0 <2.0 <2.0 1,210 299 <br /> 09/24/99 21.4 9.12 53.6 <4.0 <4.0 31.8 142 109 <4.0 <4.0 <4 0 8.44 720 61 6 <br /> 12/16/99 33.4 16.8 36,8 <4.0 <4.0 72.8 61.6 224 <4,0 <4.0 <4.0 <4.0 751 21.4 <br /> 03/28/00 20.4 11.3 9.68 4.00 <2.00 32.2 110 93.2 <2.00 <2.00 <2.00 <2.00 382 53.8 <br /> 06/19/00 17.8 8.50 8.80 11.00 <2.00 29.4 84.6 73.4 <2.00 <2.00 <2.00 <2.00 156 15.8 <br /> MW-5 06/19/00 <2.00 4.00 5.46 4.00 <2.00 <2.00 <5.00 <2.00 <2.00 <2.00 <2.00 20.2 <2.00 <2.00 <br /> MW-6 06/19/00 4.00 <2.00 17.6 4.00 <2.00 <2.00 <5.00 <2.00 <2.00 <2.00 <2.00 3,28 <2.00 <2.00 <br /> MW-7 06/19/00 <2.00 <2.00 4.00 4.00 <2.00 <2.00 <5.00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <2.00 <br /> ppb =Parts per billion <br /> < =below detection limit <br /> =All other VOC's not listed above were not detected at or above the detection limits. <br /> NO =Sample reported as nondetect. <br /> 077.41819.002/G WTABbES <br />