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Table D. Summary of Laboratory Data for Background Soil Samples <br /> BACKGROUND SOIL SAMPLES Regulatory Limit <br /> EPA Method and Units BSS-1 I BSS-2 BSS-3 BSS-4 TTLC I STLC <br /> EPA METHOD 601017471,TITLE 22 Metals(TTLC) mg/kg=parts per million ---- <br /> Antimony(Sb) _ ND _ 500 <br /> Arsenic(As) - -- NO _ 50o <br /> — <br /> Barium(Ba) - 193 10000 � <br /> Beryllium(Be) 0.51 75 <br /> Cadmium(Cd) ND 100 <br /> Chromium(Cr) 51 2500 <br /> Cobalt(Co) 9.2 8000 <br /> Copper(Cu) 27 2500 , <br /> Lead(Pb) 4.7 1000 <br /> Mercury(Hg) 0.021 20 <br /> Molybdenum(Mo) - ND 3500 <br /> Nickel(Ni) 47 2000 <br /> Selenium(Se) - NO 100 I <br /> Silver(Ag) NO 500 <br /> Thallium(TI) NO 700 <br /> Vanadium M 40 2400 _ <br /> Zinc(Zn) 49 5000 <br /> EPA METHOD 300,TITLE 22,Fluoride(TTLC) mg/1=parts per million _ <br /> Fluoride - 1 18000 <br /> EPA METHOD 7196,TITLE 22,Hexavalent Chromium(TTLC) mg/1=parts per million <br /> Hexavalent Chromium ND 500 <br /> EPA METHOD 6010/7471,CAM-17 Metals mg/kg=parts per million <br /> Antimony(Sb) ND ND ND - 500 <br /> Arsenic(As) NO ND NO I - 500 <br /> Barium(Ba) 246 i 410 172 1 10000 <br /> Beryllium(Be) 0.6 0.82 0.57-1 75 i <br /> Cadmium(Cd) NO ND ND - 100 <br /> Chromium(Cr) 51 68 55 - 500 <br /> Cobalt(Co) i 8.7 1 10 8.9 8000 <br /> Copper(Cu) I 22 1 28 23 - 2500 <br /> Lead(Pb) 7.2 1 6.9 7.8 1000 <br /> Mercury(Hg) ' 0.017 0.023 0.025 1 20 <br /> Molybdenum(Mo) ND i NO ND 3500 <br /> Nickel(Ni) 58 72 57 2000 <br /> Selenium(Se) ND ND ND 100 <br /> Silver(Ag) ND NO ND 500 <br /> Thallium(TI) ND ND ND - 700 <br /> Vanadium M 46 58 39 2400 <br /> Zinc(Zn) 68 63 74 - 5000 <br /> EPA METHOD 418.1,TRPH mg/kg=parts per million <br /> Hydrocarbons ND ND ND ND <br /> EPA METHOD 23408,Hardness by Calculation mg/1=parts per million <br /> Hardness - 352 <br /> EPA METHOD 6010,General Minerals/Metals mg/I=parts per million <br /> Calcium(Ca) 125 <br /> Copper(Cu) ND 1 25 <br /> Iron(Fe) 0.74 <br /> Magnesium(Mg) _ _ 9.6 _ <br /> Manganese(Mn) ND <br /> Potassium(K) __ 194 <br /> Zinc(Zn) 102 i 250 <br /> EPA METHOD 425.1,Methylene Blue Active Substances mgll=parts per million <br /> MBAs 0.44 <br /> EPA METHOD 310.1,Alkalinity mg/1-parts per million <br /> Alkalinity 409 1 <br /> EPA METHOD 120.1,Electrical Conductivity umhos/cm _ <br /> EC(Conductivity) 921 <br /> EPA METHOD 160.1,Total Dissolved Solids mg/1=parts per million <br /> TDS ND T— - <br /> EPA METHOD 300.0, Anions mg/1=parts per million <br /> Chloride(Cl') 15 -- <br /> Sulfate(SO;) 29 <br /> EPA METHOD 9045,pH <br /> pH 7.9 8.1 7.2 - <br /> EPA METHOD 9040,pH <br /> pH - 7.9 <br /> Analytical Results for Panoche Page 7 <br />