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SIERRA <br /> Table 3 Analytic Results for Ground Water - Metals and Total Coliform - Chevron Service Station #9-6171, 6633 Pacific Avenue, <br /> Stockton, CWorma <br /> Sample Date Analytic Analytic Pb Ni Cd Cr Zn fC <br /> 1D Sampled Method Lab <--- ------------ ----- ----- - - ---- -- - - - -ppb- > <br /> MW-2 9/5/90 7420 SAL <500 - - --- --- - <br /> MW-3 9/5/90 7420 SAL <500 --- --- <br /> MW-4 9/5/90 7420/908A SAL <500 - - --- -- 240 <br /> MW-5 9/5/90 7420/7520/7130/7190/7950 SAL X500 <500 30 400 1 100 - <br /> Title 22 <br /> STLCs --- --- 5 000 20,000 1,000 560,000 250 000 <br /> EXPLANATION ANALYTIC METHODS <br /> Pb =Total Lead 7520= EPA Method 7520 for Total Nickel <br /> N1=Nickel 7130= EPA Method 7130 for Cadnuum <br /> Cd Cadmium 7190=EPA Method 7190 for Chromium <br /> Cr Chromium 7420=EPA Method 7420 for Lead <br /> Zn=Zinc 7950=EPA Method 7950 for Zinc <br /> TC =Total Coliform 908A=Standard Methods Method 908A for Total Coliform <br /> ppb =Parts per billion <br /> Title 22 STLCs=Title 22 of the California Administrative Code ANALYTIC LABORATORY <br /> SAL=Superior Analytical Laboratory of Martinez, California <br /> NOTE <br /> * Title 22 establishes acceptable Coliform levels in Sections 64421 <br /> through 64423 <br /> 1460 iT GW <br />