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Table <br /> • HISTORICAL GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA <br /> FORMER CHEVRON SERVICE STATION NO 9-0342 <br /> 1347 SOUTH EL DORADO,STOCKTON,CALIFORNIA <br /> WELL ETHYL- <br /> ELEVATION BENZENE TOLUENE 13f=NZENE XYLENES 7Y�H- CfJLI>=0E2NI DTW 5PT 1NTE; <br /> OC DTE b b b b b m n FECAL feet feet feet <br /> MW-1 <br /> 1166 08/20/90 05 NO NC NO 810 4059 000 -2893 <br /> Oif00/91 NO 0.8 NC ND ISO 42.86 000 4120 <br /> 04/05/91 N D ND NE 10 96 4335 000 -3169 <br /> 07/25/91 NO NO NC 0,7 68 4433 000 -3467 <br /> 10/29/91 N I NE NE NO N 1 4526 000 -3360 <br /> 01114192 NE NE NE NO N E 4529 000 -3363 <br /> 05/04/92 4387 000 -3221 <br /> 07/22/92 NE N NC NO 821 4542 000 -33-76 <br /> 10/26/92 4696 000 -3530 <br /> 02!16/93** <br /> 05117193** <br /> 08117193** <br /> 05125/94*- <br /> MW-2 <br /> 1209 08/20/90 N D N D NO NO N D 4081 000 -2872 <br /> 01109191 NE NE NO NO NE 4298 000 -3089 <br /> 04/05/91 N E N C NO NO N 1 4350 0 00 -3141 <br /> 07125/91 N N1 NO NO NE 4467 0 00 -3248 <br /> 10/29/91 N I N I NE NO N 1 4548 000 -3339 <br /> 01114192 NE NE NE NO NE 4547 000 -3338 <br /> 05/04/92 4410 000 -3201 <br /> 07/22/92 NO NO NE ND N 4567 000 -3358 <br /> 10/26/92 4720 000 -3511 <br /> 021161113 NO NO NE ND ND 4598 000 -3389 <br /> 05117193** <br /> 08117193** <br /> 05/25/94 42 82 000 -30 73 <br /> MW-3 <br /> 1191 08/20/90 890 9 68 14 15,000 3941 000 -2750 <br /> 01/09191 16 2.a 2.2 49 360 4313 000 -3122 <br /> 04/05/91 8 07 1 3 170 4364 000 -31 73 <br /> 07125191 15 No 1. 2.5 190 Nt 44,57 000 3266 <br /> 10/29/91 6 08 25 35 360 4551 000 -3360 <br /> 01114192 14 3A 68 95 780 4552 000 -3&61 <br /> 05/04/92 51 37 11 26 520 4413 000 -3222 <br /> 07122192 NE NO 55 44 230 4565 000 -3374 <br /> 10/26/92 30 05 20 30 450 4718 000 -3527 <br /> 02116193 NE 10 160 140 400 4607 000 3416 <br /> 05/17/93 73 19 37 85 1,000 4320 000 -31 29 <br /> 08117193 NO No 5,0 N $10 4344 000 -31,53 <br /> 05125194*' <br /> MW-4 <br /> 1181 07/25/91 ND NO NE NO NE 22C 4456 000 -3275 <br /> 10129191 ND NO NE NO NE 45,62 0 00 -3%71 <br /> 01/14/92 NE ND NE NE NE 4551 000 -3370 <br /> 05/04/92 22 NID Do 1.7 120 44-09 000 -3228 <br /> 07/22/92 NE ND NE NC NE 4564 000 -3383 <br /> 10126192 NC NO N NC N320 47,20 000 35 39 <br /> 02/16/93 N N N N N 46 07 000 -3426 <br /> 05/17193 46 10 48 28 4390 000 -32.09 <br /> 08/17/93 N N N N N 43 47 000 -3166 <br /> 194 N 77 <br /> EXPL&MAIlON. <br /> II elevations are given in feet relative to mean sea level ppb=parts per billion or micrograms per liter pg/L <br /> TPH-G=Total Petroleum Hydrocarbons as gasoline(ppb) mpn=most probable number per 100 milliliter <br /> *=Chromatograph does not match typical gasoline pattern N D=Not detected at or above the minimum quantitation limit <br /> *=Well could not be located —=Not analyzed,not sampled <br /> SP=Separate-phase petroleum hydrocarbons NOTE See laboratory reports for minimumquantitation limit <br /> TW=Depth to water MW-3 and MW-4 are sampled quarterly,MW-1 and MW-2 <br /> PT=Separate-phase hydrocarbon thickness are sampled in 1 stand 3rd quarter <br /> JVTE=Water table elevation <br /> OC=To of casing <br /> GARTA81 WK1 <br /> GROUNDWATER <br /> BEMTECHNOLOGY, INC <br />