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TabnGroundwater An tcal Results <br /> Chevron Service Station#9-6171 <br /> 6633 Pacific Avenue <br /> Stockton,California Analytical values are in parts per billion(ppb) <br /> DATE 1,2-DCA 1,1-DCA TCE PCE CHLORO- Other VOCs Coliform Fecal <br /> FORM (MPN/100 ml) (MPN/100 ml) <br /> MW-2 <br /> 03/14/91 <0 5 <0 5 08 42 <0 5-<l 0 <br /> 06/28/93 <5 0 <5 0 50 360 <5 0-<50 <br /> 08/20/95 <40 <40 48 2000 <40-<200 <br /> 08/12/96 78 <1 0 34 4800 ND* <br /> 11/11/96 74 <1 0 33 4900 - ND** <br /> 11/11/97 ND ND ND 7600 - ND <br /> MW-3 <br /> 03/14/91 <0 5 <0 5 <0 5 05 -- <0 5-<] 0 <br /> 12/17/92 -- -- -- -- - 11 <1 1 <br /> 03/17/93 -- -- -- -- - - <1 1 <br /> 09/15/93 - -- -- -- 80 30 <br /> 08/12/96 <1 0 <1 0 36 730 - ND <br /> 11/11/96 <10 <10 <10 330 -- ND*** -- <br /> 11/14/97 ND ND ND 360 -- ND <br /> MW-4 <br /> 11/29/90 -- - -- - -- -- <2 0 <2 0 <br /> 03/14/91 <0 5 <0 5 13 850 -- <05-<l 0 - <br /> 06/28/93 <5 0 <5 0 12 10,000 -- <5 0-<50 <br /> 08/20/95 <100 <100 <100 8100 -- <100-<700 - <br /> 08/12/96 28 <1 0 17 5100 ND**** <br /> 11/11/96 84 <10 39 8200 ND+ - <br /> 11/14/97 - -- -- <br /> *Cis-1,2-Dichloroethene was detected at 16 ppb All other constituents were non-detectable <br /> **Cis-1,2-Dichloroethane was detected at 19 ppb Chloroform,1,1,1-Tnchloroethane,benzene,and toluene were detected at 1 7,7 6, 1 6,and I 1 ppb <br /> ***Chloroform, 1,13-Trichloroethane,Benzene,and Toluene were detected at 3 3,9 0, 1 3,and 16 ppb <br /> ****Cis-1,2-Dichloroethene was detected at 10 ppb All other constituents were non-detectable <br /> +Cis-1,2-Dich loroethane and 1,1,1,2-Tetrachloroethane were detected at 19 and 18 ppb <br /> 9 6171 xis/#385121 17 As of 05/22/00 <br />