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Mmd~ 2004 IferrCml Carpury * 2003 Arawal H1d+dagyRe/>urt * GYJPemit Nn G80-006 ~ Pa~,e 8 <br /> <br />• <br /> <br />TABLE 3 <br />. HISTORIC MINE AREA ALLUVIAL WATER QUALITY DATA" <br />SITE AO-2A <br />Parameters 1997 1998 1999 2000 2001 2002 2003 <br />Tem °C 9.3 7.4 9.3 10.7 10.0 9.8 10.0 <br />H su 7.5 7.6 7.6 7.6 7.4 7.6 7.7 <br />E.C. mhos/cm ~ 20°C 638 871 1200 1300 1167 1063 525 <br />TDS 580 817 1060 1233 1037 977 643 <br />SAR in water 1.97 2.84 2.39 2.78 2.50 2.44 2.34 <br />Calcium tlissolved 70.2 91.9 127.3 137.0 116 1082 71 <br />Sodium dissolved 80 131 130 158 127 123 101 <br />Ma nesium dissolved 34.7 46.0 60.6 692 56.6 55.9 34.9 <br />Potassium dissolved 4.4 3.9 4.0 3.9 3.4 3.7 2.8 <br />Sulfate 153 280 490 617 527 453 250 <br />Chloride 5.5 11.7 16 18 14 13 18 <br />Carbonate as CaCO3 <2 <2 5.3 <2 <2 <2 <2 <br />Bicarbonate as CaCO3 302 373 317 319 272 279 264 <br />Fluoride 0.4 0.4 0.4 <br />Nitrate-Nitro en dissolved 0.53 028 0.14 0.18 0.10 0.09 0.18 <br />Iron dissolved 022 0.12 0.10 0.07 020 024 0.35 <br />Man anew dissolved 0.35 0.80 0.81 0.67 0.80 1.09 0.539 <br />Aluminum dissolved 0.03 <0.03 <0.03 <br />Barium dissolved 0.09 0.11 0.11 <br />Baron dissolved 0.18 0.15 0.14 <br />Cadmium dissolved <0.003 <0.003 <0.003 <br />Chromium dissolved <0,01 <0.01 <0.01 <br />Co er dissolved 0.01 <0.01 <0.01 <br />Lead dissolved <0,04 <02 <0.04 <br />Mercu dissolved <0.0002 <0.0002 <0.0002 <br />Mol bdenum dissolved <0.01 <0.01 <0.01 <br />Nickel dissolved <0.01 <0.01 <0.01 <br />Phosphorus (ortho <br />dissolved 0.02 0.01 <0.005 <br />Vanadium dissolved <0.005 <0.03 <0.005 <br />Notes: All values represent mean values in mg/I unless otherwise noted. Monitoring program parameter list reduced as of <br />2000 <br />MIGEI * 1475 Pine C»ouRd, Ste ]09, * Stnxn~art Slmir~, Cdrnnub 80477 * (970f 879-6260 Reu 11/04 <br />IRI ~18erG/18f]1AmdFlfdoRgonllP]313M3 Hfdd~Rgm <br />3/19/W rlb <br />