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rr <br /> SIERRA <br /> Table 4 Analytic Results for Ground Water - Bacteriological Elements - Chevron Service Station #9-6171, 6633 Pacific Avenue, <br /> Stockton, California <br /> 7 <br /> Sample Date Analytic Analytic Coliform Fecal <br /> ID Sampled Method Lab MPN/100 ml MPN/100 ml <br /> r <br /> MW-3 12/17/92 ONPG-MUG FGL Present' Absent' <br /> 3/17/93 908 GTEL --- <1 1 Absent <br /> 9/15/93 Mem-Fitt SEg so 30 <br /> MW-4 11/29/90 910 SAL <2 <2 <br /> MW-5 12/17/92 ONPG-MUG FGL Present' Absent' <br /> 3/17/93 908 GTEL --- <1 1 Absent <br /> 9/15/93 Mem-Filt SEQ 180 80 <br /> MW-6 12/17/92 ONPG-MUG FGL Present' Present' <br /> 3/17/93 908 GTEL --- 1 1 Present <br /> 9115/93 Mem-Filt SEg 900 900 <br /> EXPLANATION ANALYTIC LABORATORIES <br /> MPN=Most probable number FGL= Fruit Growers Laboratory Environmental Analytical <br /> ml=Milliliter Chemists of Stockton California <br /> -- =Not analyzed GTEL= Groundwater Technology Environmental Laboratories <br /> ANALYTIC METHODS Inc , of Concord, California <br /> SEg= Sequoia Analytical of Redwood City, California <br /> 908=EPA Method 908 for Fecal Coliform Bacteria <br /> 910=EPA Method 910 for Fecal Coliform Bacteria NOTE <br /> ONPG-MUG= 0-Nitrophenyl-B-D-Galactopyranooide for Total <br /> Coliform ` Method detection limit is 1 1 MPN/100 ml <br /> 4-Methylumbelliferyl-B-D-Glucuronide for Fecal <br /> Coliform <br /> Mem-Filt=Membrane Filtration <br /> 14604T GWB <br />