SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

Designated Levels for Constituents in Soils and Cleanup Goals for Groundwater Schmiedt Property/Former Tr-A Services, Inc. Facility, Manteca Chemical Quantitation Range of Crimea trat ion in Soil _ Range of Concentrations in Groundwater Laboratory Limits Water Quality Goall'2 Basis for Goal Attenuation I;artor Leachability Factor Total Designated I Awe!' Inorganic Compounds Ammonia as Nitrogen 1.6- 156 mg/kg ND (<2.0) -56 mg/I 0.1 mg/I 1.2 mg/I Taste and Odor 200 mg/kg (sum of Nitrate-N and Ammonium) Ammonia as NH3 NA NA 2 mg/I 1.5 mg/1 Tastes and Odors Soluble Nitrate as N 7 - 864 mg/kg NA 2 mg/I 10 mg/1 Calif Drinking Water MCL and PHG I 1 10.0 mg/kg Nitrate as NO3 NA 48.4 - 583 mg/I 2 mg/I 45 mg/I Calif Drinking Water MCL and PHG - - Total Nitrogen as Nitrogen 100 - 3,700 mg/kg 12.2 - 190 mg/1 0.4 mg/1 -- No water quality goal - Nitrate + Nitrite as N 2 - 195 mg/kg 10.9-- 132 mg/1 0.4 mg/1 10 mg/I California MCL for Drinking Water 1 1 10 mg/kg Kjeldahl Nitrogen 100 -3,600 mg/kg ND (<0.5) - 60 mg/1 0.5 mg/I --- No water quality goal - Phosphate 13 - 186 mg/kg ND (<0.5) - 16.7 mg/1 0.5 mg/I -- No water quality goal - TDS NA 400 - 1,120 mg,/1 40 mg/1 450 mg/1 Water Quality for Agriculture - Sulfate 10 - 80 mg/kg 32- 194 mg/I 0.5 mg/I 250 mg/1 California Secondary MCL 1 1 250 mg/kg Metals Antimony ND (<0.5) -0.5 mg/kg ND (<0.001) -0.01 mg/1 0.0005 mg/1 0.006 mg/1 California Primary MCL " 1 10 0.06 mg/kg Arsenic 1.3 -3.0 mg/kg 0.01 - 0.019 mg/1 0.002 mg/1 0.000004 mg/I California PHG for Drinking Water I 10 0.02 mg/kg Barium 28.8 - 95.3 mg/kg 0.474 - 0.531 mg/1 0.0002 mg/1 1.00 mg/1 California Primary MCL 1 10 10 mg/kg Cadmium 0.4 - 8.0 mg/kg ND (<0.0002) - 0.0002 mg/I 0.0002 mg/I 0.00007 mg/I California PHG for Drinking Water 1 10 0.0007 mg/kg Chromium 4.6 - 11.3 mg/kg ND (<0.001) -0.02 mg/I 0.0005 mg/I 0.05 mg/1 California Primary MCL 1 10 0.5 mg/kg Cobalt 2.8 -7.3 mg/kg 0.0004 - 0.0179 mg/1 0.0002 mg/I 0.05 mg/I Water Quality for Agriculture 1 10 0.5 mg/kg Copper 6.3 -27.1 mg/kg NA 0.0005 mg/1 0.17 mg/I California PHG for Drinking Water 10 10 17 mg/kg Lead 1.2- 13.3 mg/kg ND (<0.0002) 0.0005 mg/1 0.002 mg/I California PHG for Drinking Water 10 10 0.2 mg/kg Mercury ND (<0.03) mg/kg 0.00001 - 0.00002 mg/I 0.0005 mg/1 0.0012 mg/I California PHG for Drinking Water I 10 0.012 mg/kg Molybdenum 0.7 - 1.2 mg/kg 0.002 - 0.003 mg/I 0.001 mg/1 0.01 mg/I Water Quality for Agriculture 1 10 0.1 mg/kg Nickel 4.4- 13.5 mg/kg 0.001 - 0.036 mg/1 0.01 mg/1 0.012 mg/I California PHG for Drinking Water 1 10 0.12 mg/kg Selenium ND (<0.5) mg/kg 0.002 - 0.005 mg/1 0.005 mg/I 0.02 mg/I Water Quality for Agriculture 1 10 0.2 mg/kg Silver ND (<0.5) -0.8 mg/kg ND (<0.001) 0.01 mg/I 0.035 mg/1 US EP A I RIS Reference Dose as a Drinking Water Level 1 10 0.35 mg/kg Vanadium 14.4 - 38.4 mg/kg 0.028 - 0.034 mg/I 0.002 mg/I 0.05 mg/1 California State Action Level for Toxicity (DHS) I 10 0.5 mg/kg Zinc 18 -92 mg/kg 0.15 -0.26 mg/I 0.05 mg/1 2.000 mg/1 Water Quality for Agriculture 10 10 200 mg/kg Volatile Organic Compounds 1,2-DichlorOpropane ND (<5) ug/kg ND (<1.0) -490 ug/I 0.5 ug/1 0.5 ug/1 California PHG for Drinking Water I I 0.5 ug/kg 1,2,3-Trichloropropane ND (<5) ug/kg 4.0 ug/1 0.005 ug/1 0.005 ug/I California State Action Level for Toxicity (DHS) 1 1 0.005 ug/kg Fumigants Ethylene dibromide ND (<5) ug/kg ND (0.02) -0.04 ug/1 0.02 ug/1. 0.01 ug/1 California PHG for Drinking Water 1 1 0.02 ug/kg