WORK PLANS_PART 2 FILE 1 - Laserfiche WebLink

Home Browse Search

GEOMATRIX TABLE 2 REVISED GROUNDWATER CONCENTRATON LIMITS Lathrop Facility San Joaquin County,California EPA Revised Analytical Concentration Constituent Units Method MCL2 Limit Remarks3 Inorganics Sulfate mg/L 300 N 144 C Total Dissolved Solids(TD5) mg/L 160.1 N 1,003 C Electrical Conductance mhos/cm 9050A N 1,493 C H std.units 9040C N 6.5 to 7.7 C Sodium mg/L 200.7 N 1 186 C Calcium mg/L 200.7 N 183 C Chemical Oxygen Demand COD mg/L sm5220d N 35 M Bicarbonate mg/L sm2320b N 610 M Nitrate as NO3 mg/L 300 45 106 C Total Alkalinity mg/L sm2320b N 610 M Chloride m 300 N 109 C Potassium mg/L 200.7 N 5 C Carbonate m sm2320b N 1 PQL Ammonia mg/L 350.3 N 1 PQL Dissolved Metals Arsenic mg/L 206.2 0.05 0.01) 0.018 M Antimony mg/L 204.2 0.006 0.005 PQL Aluminum mg/L 200.7 1 1.1 M Barium mg/L 200.7 1 0.345 M Beryllium mg/L sm3500-Be 0.004 0.0005 PQL Boron mg/L 200.7 N 0.54 M Cadmium mg/L 200.7 0.005 0.001 PQL Chromium mg/L 200.7 0.05 0.001 PQL Cobalt mg/L 200.7 N 0.01 PQL Copper mg/L 200.7 N 0.005 PQL Iron mg/L 200.7 N 1.1 M Lead mg/L 239.2 N 0.004 PQL Manganese mg/L 200.7 N 0.1 M Magnesium mg/L 200.7 N 66 M Mercury mg/L 245.1 0.002 0.002 PQL Molybdenum mg/L 200.7 N 0.005 PQL Nickel mg/L 200.7 0.1 0.005 PQL Selenium mg/L sm3500-Se 0.05 0.007 M Thallium mg/L 279.2 0.002 0.002 PQL Vanadium mg/L 286.2 N 0.025 M Zinc I mg/L 1 200.7 N 0.02 PQL 1. mg/L-milligrams per liter,µmhos/cm-micromhos per centimeter,std.units-standard units. 2. MCL-maximum contaminant level. N-no primary MCL. 3. Remarks: C-upper confidence interval calculated by parametric analysis. M-historical maximum concentration in background well LP-7.PQL-method detection limit(from the most recent laboratory data). 1:%6000s\6741.000Wrchivck6741-14.x Is