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i i i i i i ib1t� i i ir i <br /> Historical Groundwate onitoring and Analytica[Data <br /> Southland Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton, California <br /> Well <br /> til :: <br /> MTBE Dissolved <br /> Elevation Date jB:enzenej Toluene Benzene Xylene TPH-G TPH D 8020 8260 TBA DIPIt ETBE TAME Oxygen DTW SPT WTE <br /> R tdeetl <br /> Groundwater Grab Samples <br /> GP3 02/20/97 21 <0 5 <0 5 055 930 -- 1,700 - <br /> GP4 02/20/97 9,100 33,000 3 900 24,000 150,000 - 100,000 84,000 <br /> GPT 02/20/97 <0 5 <0 5 <0 5 <05 <50 <5 <br /> jMonitoring Well Samples <br /> MW-1 <br /> 7 34 12/19/97 1,200 1,100 580 1.5001 15,000 9,900 14,000 <4,000 <1,000 <1,000 <1,000 016 18.93 0 00 -1159 <br /> 03/22/98 2,200 3,400 880 3,200 23,000 -- - 11,000 <10,000 <500 <500 <500 019 1430 000 -696 <br /> 96115/98 3,000 7,200 11700 8,800 52,000 -- -- 21,000 10,000 <500 <500 <500 1.50 14.43 000 -709 <br /> MW-1A <br /> 7 26 12/19/97 41 88 56 270 2,600 -- 280 1 350 <100 <25 <26 <25 0.13 18.88 000 -11.62 <br /> 03122198 15 61 13 65 560 -- - 360 <500 <25 <25 <25 022 1423 000 -697 <br /> 06115/98 1 8.5 89 0.84 6.3 <400 -- -- 31 <100 <5 <5 <5 1.8014.37 000 <br /> -7.11 <br /> MW-2 <br /> 864 17/19/97 <0 5 <0.5 <0.5 <0 5 290 <50 <5 <5 <20 <5 <5 <5 014 19.89 0100 -1125 <br /> 03/22/98 ND 1.6 0.68 2.7 ND -- -- <10 <100 <5 <5 <5 017 1525 000 -661 <br /> 06115/98 <0 3 <03 <0.5 <0 6 <100 - <10 <100 445 <5 <5 2.10 1548 1 0,00 -684 <br /> MW-3 <br /> 744 12/19/97 1.5 1.9 1.9F 0.99 640 -� 6.6 10 <20 {5 <5 <5 0 25 1915 0 00 -11.71 <br /> 03/22/98 ND 1.3 4.2 3.2 260 - -- <10 <100 <5 <5 <5 040 1457 000 -713 <br /> 06115/98 <3 7.4 43 9.4 2,400 -» - 25 -000 <5 45 <5 1.20 14.67 0.00 -7.23 <br /> MW-4 <br /> 669 12/19/97 5.1 <5 18 6.1 3,600 -- 3,000 3,800 <1,000 <250 <250 <250 0.12 18.79 000 -12.10 <br /> 03/22/98 6.1 2 7.5 4 3 2,640 - - 3,100 <4,000 <200 <200 <200 0 21 1418 0 00 -7 49 <br /> 06115/98 2.4 54 6.2 1.31 3,200 12,700 1<2,500 <125 <125 e,125 1.90 14.17 0.00 -7.48 <br /> Explanation <br /> -=Not avallable/not sampled TOC=Top of casing elevation(in feel above mean sea level) <br /> TPH-G=Total petroleum hydrocarbons-as-gasol€ne DTW=Depth to water <br /> MTBE=Methyl-tert-butyl-ether SPT=Separate-phase hydrocarbon thickness <br /> TBA=Tertiary Butanol WTE=Water table elevation <br /> DIPE=Dl4sopropyl ether M=Micrograms per Ider <br /> ETRE=Ethyt4etiary-butyl ether mgA=Milligrams per Iger <br /> TAME=Tertsary-amyl-methyl ether ND=Not Detected <br /> arms wx4 <br /> FLUOR DANIEL GTI <br /> CJ <br />