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i <br /> December 16, 1992 <br /> Unocal Service Station No 6981, Stockton, California Working To Restore Nature <br /> I <br /> TABLE 9 <br /> NITRATE AND COLIFORM BACTERIA IN GROUND-WATER SAMPLES <br /> Unocal Service Station No 6981 <br /> 4707 Pacific Avenue <br /> 1 Stockton, California <br /> Total Fecal <br /> Sample Coliform Coliform <br /> Number Date Nitrate Bacteria Bacteria <br /> 1 W-50-MW 1 02/18/90 15 <22 NA <br /> W-51-MW2 02/21/90 <1 92 <22 <br /> W-51-MW3 02/21/90 28 >16 <22 <br /> W-51-MW5 02/22/90 10 >16 92 <br /> W-52-MW7 03/06/92 NR >16 <22 <br /> W-50-MW8 03/06/92 NR 16 <22 <br /> 1 W-56-MW9 08/19/92 NR >16 160 <br /> W-54-MW10 08/19/92 NR 16 <22 <br /> W-56-MW11 08/19/92 NR >16 <22 <br /> W-56-MW12 08/19/92 NR >16 92 <br /> W-57-MW13 08/27/92 NR 51 22 <br /> . W-56-PTW1 08/19/92 NR >16 22 <br /> 1 MW-6* 10/22/92 NR <2 <2 <br /> MW-7* 10/22/92 NR <2 <2 <br /> MW-8* 10/22/92 NR 13 <2 <br /> MW-11* 10/22/92 NR 21 21 <br /> MW-12* 10/22/92 NR 920 <2 <br />` Total and fecal cohform bacteria reported as mean predicated number (MPN)/ 100 milhhters (ml) <br /> Nitrate concentrations in milligrams per liter <br /> > = Greater than the number shown <br /> < = Below detection limit for analytical method used <br /> NR = Not requested <br /> NA = Not applicable, fecal coliform not counted if total coliform not above 2 2 MPN/100 ml <br /> * = Sample collected and analyzed by GeoStrategtes Inc <br /> Sample designation <br /> W-50-MW1 Water sample - sample depth (feet below grade) - monitoring well number <br /> 1 ' <br /> t� <br /> 38032-i0 <br /> r <br />