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Table 1 <br /> HISTORICAL GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA <br /> CHEVRON SERVICE STATION NO 9-0342 <br /> 1347 SOUTH EL DORADO,STOCKTON,CALIFORNIA <br /> WELL ID/ 11L_ FECAL. <br /> ELEVATION BENZENE TOLUENE BENZENE XYLENES TIPH--G COLIFORM DiW �FPTWTE <br /> OC DATE b b b b MOM feet fee <br /> MW-1 <br /> 1166 08/20/90 05 NO ND ND 810 -- 4059 000 -28 93 <br /> 01/09/91 NO 08 ND NO ISO 4286 000 -3120 <br /> 04/05/91 ND NO ND 10 96 -- 4335 000 -3169 <br /> 07/25/91 NO ND ND 07 SS -- 4433 0 00 -3267 <br /> 10/29/91 NO ND ND NO ND -- 4526 000 -3360 <br /> 01/14/92 ND NO NO ND NO 4529 0 DO -3363 <br /> 05/04/92 -- -- -- -- 4387 000 -3221 <br /> 07/22/92 ND ND ND ND 82• - 4542 000 -3376 <br /> 10/26/92 - - -- -- - - 4696 000 -35 30 <br /> 02/16/93 <br /> MW-2 <br /> 1209 08/20/90 NO ND ND NO ND -- 4081 000 -2872 <br /> 01/09/91 ND ND ND NO ND - 4298 0 OD -3089 <br /> 04/05/91 NO NO NO ND ND -- 4350 000 -3141 <br /> 07/25/91 NO NO ND NO ND - 4457 000 -3248 <br /> 10/29/91 ND NO ND NO ND - 4548 000 -3339 <br /> 01/14/92 NO ND ND NO ND - 4547 000 -3338 <br /> 05/04/92 - 4410 000 -32 01 <br /> 07/22!92 ND NO NO NO NO - 4S67 000 -3358 <br /> 10/26/92 -- -- -- -- 4720 000 -35 11 <br /> MW-3 02/16/93 ND ND ND NO ND - 45 98 000 -3389 <br /> 11 91 08/20/90 890 9 68 14 15000 - 3941 000 -2750 <br /> 01/09/91 18 23 22 49 380 -- 4313 000 -31 22 <br /> 04/05/91 8 07 1 3 170 - 4364 0 DO -3173 <br /> 07/25/91 15 ND 1 0 25 190 ND 4457 000 -3266 <br /> 10/29/91 63 08 25 35 360 -- 4551 000 -3360 <br /> 01/14/92 14 38 68 95 780 -- 4552 000 -3361 <br /> 05/D4/92 57 37 11 26 520 -- 4413 000 -3222 <br /> 07122/92 ND ND 55 44 230 - 4565 000 -3374 <br /> 10/26/92 so 05 20 30 450 -- 4718 000 -3527 <br /> 02/16/93 ND 10 1601 140 1,500 - 4607 000 1 -3416 <br /> MW-4 <br /> 1181 07/25/91 ND ND NO NO ND 220 4456 000 -3275 <br /> 10/29/91 NO ND ND NO NO - 4552 000 -3371 <br /> 01/14/92 NO ND ND NO ND -- 4551 000 -3370 <br /> 05/04/92 22 NO 06 17 120 4409 000 -3228 <br /> 07/22/92 NO NO ND NO ND -- 4564 000 -3383 <br /> 10/26/92 ND NO NO ND ND -- 4720 000 -3539 <br /> 02/16/93 ND NDI NDI NDI NDI 4607 000 -3426 <br /> EXPLANATION <br /> All elevations are given in feet relative to mean sea level <br /> TPH-G =Total Petroleum Hydrocarbons as Gasoline(ppb) <br /> • = Chromatograph does not matchtypical gasoline pattern <br /> SP= Separate-phase petroleum hydrocarbons <br /> DTW= Depth to water <br /> SPT= Separate-phase hydrocarbon thickness <br /> WTE =Water table elevation <br /> TOC =Top of casing <br /> ppb = parts per billion or micrograms per liter yg/L <br /> mpn=most probable number per 100 milliliter <br /> ND = Not detected at or above the minimum quantitation limn <br /> = Not analyzed not sampled <br /> NOTE See laboratory reports for minimum quantitation limn <br /> GARTABI WK1 <br /> • <br /> GROUNDWATER <br /> __m TECHNOLOGY <br />