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ar �r �■r rl� r� rl err rr �l■l if r r 1r rr a r <br /> Table 3-5 <br /> Groundwater Analytical Results <br /> Former Unocal Service Station No 2859 <br /> 1665 Pacific Avenue <br /> Stockton, California <br /> EXPLANATIONS <br /> (mg/L)=Milligrams per liter <br /> (m1/)=Millivolts <br /> ND= Not Detected <br /> --=Not Analyzed <br /> Laboratory report indicates Ferrous Iron was subject to laboratory error,which precluded their completion Dissolved Iron was completed <br /> as a substitute analysis <br /> z EPA Method 300 0 used for Nitrate and Sulfate, EPA Method SM 3500-Fe B or SM 3500-Fe D used for Ferrous Iron, <br /> and EPA Method 3810M used for Methane <br /> 3 The sample was received outside of the EPA recommended holding time <br /> ANALYTICAL METHODS <br /> SM 403 for Total Alkalinity <br /> EPA Method 300 0 for Nitrate as Nitrate <br /> EPA Method 300 0 for Nitrate as Nitrogen <br /> EPA Method 300 0 for Nitrite as Nitrogen <br /> EPA Method 351 4 for Nitrogen Total Kjeldahl <br /> EPA Method 365 3 for Phosphorus <br /> EPA 6010 for Potassium by ICP <br /> EPA Method 300 0 for Sulfate <br /> EPA Method 200 Series for Dissolved Iron <br /> EPA Method 160 1 for Total Dissolved Solids <br /> EPA Method 6010 for Ferrous Iron <br /> ASTM D149876 for Redox Potential <br /> I <br /> 06940-357 1 of i ENSR Corporation <br />