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I <br /> ��u,■�► <br /> �-"VA <br /> Working to Restore Nature <br /> I <br /> TABLE 5 <br /> RESULTS OF CHEMICAL ANALYSES OF GROUNDWATER SAMPLES <br /> COLLECTED FROM MONFTORING WELLS <br /> ARCO Service Station No 2130 <br /> 7906 North El Dorado Street <br /> Stockton, California <br /> (Page 2 of 2) <br /> Sample Sample Ethyl- Total Fecal <br /> Number Date TPHg Benzene Toluene benzene Xylene Coliform <br /> I <br /> W-64-MWS 08/28/92 380 61 18 27 48 NR <br /> MW-5(76) 10/06/92 460 59 34 21 45 <20 <br /> MW-5(76) 01/20/93 79 92 13 <05 42 <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 /> I MW-5(75) 11/29/93 9,600 1,900 870 140 1,300 NA <br /> W-63-MW6 12/04/92 330 <10 <10 <10 <10 NA <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 /> MW-6(72) 11/29/93 150 <05 <05 <05 <05 NA <br /> W-62-MW7 12/04/92 88 20 <10 <10 <10 <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 /> i <br /> MW-7(72) 11/29/93 <50 <05 <05 <05 <05 NA <br /> MW-8(75) 11/29/93 69 <05 <05 <05 <05 NA <br /> MW-10(71) 11/29/93 1,000 <11** <3** <1*** 10 NA <br /> Results in parts per billion (ppb), Fecal coliform bacteria in CFU/100 milliliters <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Below detection limit for the analytic methods used <br /> NA = Not analyzed <br /> NR = Not requested <br /> ' = Raised MRL due to high analyte concentration requiring sample dilution <br /> ** = Raised MRL due to matrix interference <br /> *'* = Raised MRL due to high analyte requiring sample dilution <br /> Sample designation <br /> W-61-MW1 Water sample - sample depth in feet below grade - monitoring <br /> well number <br /> 30003-13 <br />