2010-05-14_REPORT - C1980006 - Laserfiche WebLink

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Kerr (Marr) Mine - 2009 Annual Hydrology Report TABLE 1 - SITE AP-1 HISTORIC LOADOUT AREA ALLUVIAL WATER QUALITY DATA Parameters 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Temp °C 11.0 10.0 10.3 13.3 12.0 12.0 11.7 15.3 13.4 12.5 11.3 H su 7.9 7.9 8.0 8.0 7.9 7.9 8.0 8.0 8.0 8.0 8.0 EC mhos/cm 200C 417 400 400 383 300 233 (") 100 (*) 501 630 525 595 TDS 307 303 297 295 293 290 260 303 313 280 309 SAR in water 0.64 0.71 0.69 0.61 0.60 0.60 0.60 0.60 0.71 0.5 0.77 Calcium (dissolved) 45.3 44.3 45.1 45.5 43.7 44.1 36.6 44.7 43.3 40.5 44.3 Sodium dissolved 23.8 25.8 25.1 22.5 22.3 21.4 19.5 21.5 25.2 17.7 27.3 Magnesium dissolved 37.7 35.3 34.6 35.6 34.6 33.9 27.6 33.9 32.8 30.6 34.3 Potassium dissolved 1.1 1.0 1.2 1.2 1.0 0.9 1.0 0.9 1.2 0.9 1.6 Sulfate 30.0 33.3 27 20 43.3 23.3 30.0 36.7 26.7 25.0 25 Chloride 4.7 4.3 5 4 3.3 3.0 3.7 4.3 7.0 4.5 3.5 Carbonate as CaC03 3.7 <2 <2 <2 <2 <2 <2 <2 <2 6.3 9.3 Bicarbonate as CaC03 281 268 284 259 249 270 235.5 254.3 261.0 238 264.5 Fluoride 0.5 Nitrate-Nitrogen diss 0.07 0.03 0.03 0.26 0.02 0.01 0.01 0.02 0.01 0.02 0.04 Iron dissolved 0.11 0.12 0.27 0.11 0.42 0.24 0.3 0.37 0.12 0.1 0.17 Manganese (dissolved) 0.574 0.427 0.450 0.463 0.499 0.352 0.276 0.226 0.389 0.4 0.47 Notes: All values represent water year mean values in mg/I unless otherwise noted. " = Equipment malfunction for EC (2004 and 2005) Note - Equipment malfunction for EC in parts of 2004 and 2005, data removed. TABLE 2 - SITE AP-2, HISTORIC LOADOUT AREA ALLUVIAL WATER QUALITY DATA Parameters 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Temp (°C) 11.0 10.0 10.7 12.7 12.3 11.3 10.0 15.1 12.7 11.5 11.5 pH (su) 7.9 7.9 7.9 8.0 8.1 7.9 7.9 8.0 8.0 7.9 8.0 EC (µmhos/cm) @ 200C 483 500 433 471 567 467(-) 100(') 823 701 650.0 675 TDS 340 397 333 393 663 970 346.7 483 383 345.0 378 SAR (in water) 0.77 1.11 0.76 1.03 2.33 3.84 0.78 1.5 0.81 0.8 1.2 Calcium (dissolved) 56.3 57.4 51.9 53.7 69.8 69.2 53.1 64.7 56.6 49.5 45.9 Sodium (dissolved) 30.1 44.9 29.0 40.0 111.1 205.8 29.9 64.4 32.2 28.4 43.7 Magnesium (dissolved) 37.1 39.7 35.1 38.5 51.5 58.3 35.7 46.2 38.8 33.6 33.3 Potassium (dissolved) 1.7 1.9 1.8 1.9 2.1 2.0 1.5 1.9 2.0 1.6 9.7 Sulfate 37 33 30 37 110 167 36.7 60 36.7 30.0 35 Chloride 9 7 7 8 12 15 6.3 10 8.0 6.9 9.0 Carbonate (as CaC03) <2 <2 <2 <2 <2 <2 <2 <2 <2 11.0 17 Bicarbonate (as CaC03 307 348 302 322 523 698 315.7 403 316.7 305.0 305 Fluoride 0.4 Nitrate-Nitrogen (diss) 0.06 0.04 0.01 0.14 0.05 0.02 0.01 0.04 0.04 0.025 0.01 Iron (dissolved) 0.06 0.26 0.24 0.16 0.20 0.47 0.29 0.29 0.087 0.2 0.11 Manganese (dissolved) 0.15 0.30 0.20 0.22 0.65 0.23 0.192 0.281 0.489 0.1 0.6 Notes: All values represent mean annual values in mg/I unless otherwise noted. " = Equipment malfunction (EC 2004 and 2005)