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Table 4 Groundwater Analytical Results-Bactenological Elements-Chevron Service Station#9-6171, 6633 Pacific Avenue, Stockton, Caltforma <br /> Sample Date Analytical Analytical Coliform Fecal <br /> ID Sampled Method Lab MPNI100 ml MPNI100 ml <br /> MW-3 12/17/92 ONPG-MUG FGL Present' Absent' <br /> 3117193 908 GTEL --- <I t Absent <br /> 9115/93 Mem-Fitt SEQ 80 30 <br /> MW-4 11/29/90 910 SAL <2 <2 <br /> MW-5 12/17/92 ONPG-MUG FGL Present' Absent' <br /> 3117193 908 GTEL --- <1 1 Absent <br /> 9115193 Mem-Felt SEQ 180 80 <br /> MW-6 12/17/92 ONPG-MUG FGL Present' Present' <br /> 3117193 908 GTEL --- I 1 Present <br /> 9115/93 Mem-Felt SEQ 900 900 <br /> EXPLANATION <br /> MPN=Most probable number FGL = Fruit Growers Laboratory Environmental Analyncal Chemists of <br /> ml =Mtllthter Stockton,Califotma <br /> -- =Not analyzed GTEL = Groundwater Technology Environmental Laboratones, Inc, of <br /> ~ Concord,California <br /> SEQ = Sequoia Analytical of Redwood City,Califorma <br /> 908= EPA Method 908 for Fecal Coliform Bacteria NOTFS <br /> 910= EPA Method 910 for Fecal Coliform Bacteria <br /> ONPG-MUG= 0-Nitrophenyl-B-D-Galactopyranooide for Total Coliform ' Method detection limit is 1 t MPNI100 till <br /> 4-Methylumbelliferyl-B-D-Glucuronide for Fecal Coliform <br /> Mem-Fdt=Membrane Filtration <br /> 5121BAC TQM <br /> 1 <br />