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October 14, 1993 Working To Restore Nature <br /> ARCO Service Station No 2130, Stockton, California <br /> TABLE 2 <br /> RESULTS OF CHEMICAL ANALYSES OF WATER SAMPLES <br /> ARCO Service Station No 2130 <br /> 7906 North El Dorado <br /> Stockton, California <br /> (page 2 of 2) <br /> Sample Sample Ethyl- Total Fecal <br /> Number Date TPHg Benzene Toluene benzene Xylene Cohform <br /> W-64-MW5 08/28/92 380 61 18 27 48 <br /> MW-5(76) 10/06/92 4C0 NR <br /> MW-5(76) 01/20/93 79 59 2 313 <0 5 21 44 2 <20 <br /> MW-5(76) 04/06/93 1,600 260 150 12 230 NA <br /> MW-5(76) 07/30/93 790 160 88 19 71 NA <br /> W-63-MW6 12/04/92 330 <05 <05 <05 <05 NR <br /> MW-6(73) 01/29/93 120 <05 <05 <05 <05 <20 <br /> MW-6(73) 04/06/93 160 06 <05 <05 <05 NA <br /> MW-6(73) 07/30/93 170 <05 <05 <05 <05 NA <br /> W-62-MW7 12/04/92 88 20 <05 <05 <05 <38 <br /> MW-7(73) 01/29/93 67 <05 <05 <05 <05 <20 <br /> MW-7(73) 04/06/93 <50 <6** <05 <05 <05 NA <br /> MW-7(72) 07/30/93 <50 <05 <05 <05 <05 NA <br /> Results in parts per billion (ppb), Fecal coliform bacteria in CFU/1.00 milliliters <br /> TPH9 = Total petroleum hydrocarbons as gasoline <br /> < = Below detection hinit for the analytic methods used <br /> * = Raised MRL due to high analyte concentration requiring sample dilution <br /> *'= Raised MRL due to matrix interference <br /> NA = Not analyzed <br /> NR = Not requested <br /> Sample designation <br /> W-61-MW1 Water sample - sample depth in feet below grade - motutoring well number <br /> ar <br />. M3- <br /> -3 <br /> 30003-9 <br />