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i <br /> May 4, 1993 ANWAkAff� <br /> Unocal Station No 6981, Stockton, California Working To Restore Nature <br /> 1 <br /> TABLE 7 <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 /> W-50-MW1 02/18/90 15 <22 NA <br /> W-51-MW2 02/21/90 <1 92 <2 2 <br /> W-51-MW3 02/21/90 28 >16 <22 <br /> W-51-MW5 02/22/90 10 >16 92 <br /> MW6 07/30/92 NR 11 <20 <br /> MW6 10/21/92 NR <2 <2 <br /> MW6 01/13/93 NR 13 2 <br /> W-52-MW7 03/06/92 NR >16 <22 <br /> MW7 07/30/92 NR 4 <20 <br /> MW7 10/21./92 NR <2 <2 <br /> MW7 01/13/93 NR 2 <2 <br /> W-50-MW8 03/06/92 NR 16 <22 <br /> MW8 07/30/92 NR 130 20 <br /> MW8 10/21/92 NR 13 <2 <br /> MW8 01/13/93 NR 5 <2 <br /> W-56-MW9 08/19/92 NR >16 160 <br /> MW9 10/22/92 NR NR NR <br /> MW9 01/13/93 NR 8 <2 <br /> I W-54-MW10 08/19/92 NR 16 <22 <br /> MW10 10/22/92 NR NR NR <br /> MW10 01/13/93 NR 920 33 <br /> W-56-MW11 08/19/92 NR >16 <22 <br /> MW11 10/22/92 NR 21 12 <br /> MW 11 01/13/93 NR <2 <2 <br /> W-56-MW12 08/19/92 NR >16 92 <br /> MW12 10/22/92 NR 920 <2 <br /> MW12 01/13/93 NR 31 <2 <br /> W-57-MW13 08/27/92 NR 51 22 <br /> MW13 10/22/92 NR NR NR <br /> MW13 01/13/93 NR 31 <2 <br /> W-56-PTW 1 08/19/92 NR 2 <2 <br /> Total and fecal coliform bacteria reported as mean predicated number (MPN)/ 100 milliliters (ml) <br /> Nitrate concentrations in milligrams per titer <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 /> > = Greater than the number shown <br /> Sample designation W-50-MWI Water sample - sample depth (feet below grade) - monitoring well number <br /> 38032-13 <br /> R <br />