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SPLP/TCLP Results <br />units <br />MDL(2) <br />PQL(3) <br />SPLP Samples <br />SLP Test <br />Method <br />TG -1 (4) <br />Sample <br />TG -2 (4) <br />Sample <br />TG -3 (4) <br />sample <br />TCLP Sample <br />TCLP Test <br />Method <br />TCLP1 <br />Sample <br />Acid Generation <br />CaCO <br />1 <br />5 <br />M600 <br />4b <br />4b <br />4b <br />Potential <br />/kt <br />2 78 -054 1.3 <br />Acid Neutralization <br />CaCO <br />1 <br />5 <br />M600 <br />30 <br />31 <br />31 <br />Potential <br />/kt <br />2 78 -054 1.3 <br />Acid -Base <br />CaCO3 <br />1 <br />5 <br />M600 <br />26 <br />27 <br />27 <br />Potential <br />/kt <br />2 78 -054 1.3 <br />Neutralization <br />% <br />0.1 <br />0.5 <br />M600 <br />3.0 <br />3.1 <br />3.1 <br />Potential <br />as CaCO3 <br />pH <br />units <br />0.1 <br />0.1 <br />2 78 -054 3.2.3 <br />M9045 <br />9.0 <br />9.1 <br />9.0 <br />M9045C/M90 <br />8.4 <br />C/M9040B <br />40B <br />pH measured at <br />C <br />0.1 <br />0.1 <br />M9045 <br />20.1 <br />20.1 <br />20.1 <br />M9045C/M90 <br />21.3 <br />C/M9040B <br />40B <br />Sulfur Organic <br />% <br />0.01 <br />0.1 <br />M600 <br />0.05b <br />0.05b <br />0.04b <br />Residual <br />2 78 -054 3.2.4 <br />Sulfur Pyritic <br />% <br />0.01 <br />0.1 <br />M600 <br />0.05b <br />0.05b <br />0.06b <br />Sulfide <br />2 78 -054 3.2.4 <br />Sulfur <br />% <br />0.01 <br />0.1 <br />M600 <br />0.03b <br />0.02b <br />0.02b <br />Sulfate <br />2 78 -054 3.2.4 <br />Sulfur <br />% <br />0.01 <br />0.1 <br />M600 <br />0.13 <br />0.12 <br />0.12 <br />Total <br />2 78 -054 3.2.4 <br />Total Sulfur <br />minus Sulfate <br />% <br />0.01 <br />0.1 <br />M600 <br />2 78 -054 3.2.4 <br />0.10 <br />0.10 <br />0.10 <br />Chloride <br />mg/L <br />1 <br />5 <br />SM4500C1 -E <br />2b <br />2b <br />lb <br />Chromium <br />mg/kg <br />6 <br />20 <br />M7196A <br />u <br />u <br />u <br />Hexavalent <br />Cyanide <br />mg/L <br />0.005 <br />0.03 <br />M9012A - <br />uh <br />uh <br />uh <br />Ttotal <br />Colorimet is <br />Flouride <br />mg/L <br />0.1 <br />0.5 <br />SM4500F -C <br />u <br />u <br />u <br />Nitrate <br />mg/L <br />0.02 <br />0.1 <br />Calculation <br />uh <br />0.03bh <br />uh <br />NO3NO2 <br />Nitrate /Nitrate <br />as N <br />mg/L <br />0.02 <br />0.1 <br />M353.2 <br />Automated <br />uh <br />0.03bh <br />uh <br />Nitrate <br />as N <br />mg/L <br />0.01 <br />0.05 <br />M353.2 <br />Automated <br />uh <br />uh <br />uh <br />Nitrogen, <br />ammonia <br />mg/L <br />0.5 <br />3 <br />M350.1 <br />Automated <br />u <br />u <br />u <br />Residue, <br />mg/L <br />10 <br />20 <br />SM2540C <br />30h <br />40h <br />40h <br />Filterable (TDS) <br />Residue <br />mg/L <br />5 <br />20 <br />SM2540D <br />uh <br />uh <br />uh <br />Non - Filter (TSS) <br />Sulfate <br />mg /L <br />1 <br />5 <br />375.4 <br />11 <br />10 <br />12 <br />Turbidmetric <br />Table C -11: Tailings Characteristics - Cross Mine (Continued <br />( Prepared b y ACZ Laboratories, Inc., 19 June 2008. <br />(2) MDL = Method detection Limit <br />(3) PDL = Practical Quantitation Limit <br />(4) b = Analyte concentration detected at a value between MDL and PQL, h = Analysis exceeded method hold time, u = Analyte was <br />analyzed for but not detected at the indicated MDL. <br />M1990 -057 June 6, 2011 <br />