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Marr Mine - 2007 Annual Hydrology Report <br />TABLE 9 - SITE AP-2 HISTORIC LOADOUT AREA ALLUVIAL WATER QUALITY DATA <br />May 2007 <br />Parameters 1999 2000 2001 2002 2003 2004 2005 2006 2007 <br />Temp °C 11.0 10.0 10.7 12.7 12.3 11.3 10.0 15.1 12.7 <br />H su 7.9 7.9 7.9 8.0 8.1 7.9 7.9 8.0 8.0 <br />EC mhos/cm 20°C 483 500 433 471 567 467(-) 100(-) 823 701 <br />TDS 340 397 333 393 663 970 346.7 483 383 <br />SAR in water 0.77 1.11 0.76 1.03 2.33 3.84 0.78 1.5 0.81 <br />Calcium dissolved 56.3 57.4 51.9 53.7 69.8 69.2 53.1 64.7 56.6 <br />Sodium dissolved 30.1 44.9 29.0 40.0 111.1 205.8 29.9 64.4 32.2 <br />Magnesium dissolved 37.1 39.7 35.1 38.5 51.5 58.3 35.7 46.2 381.8 <br />Potassium dissolved 1.7 1.9 1.8 1.9 2.1 2.0 1.5 1.9 2:0 <br />Sulfate 37 33 30 37 110 167 36.7 60 36,7 <br />Chloride 9 7 7 8 12 15 6.3 10 8.,0 <br />Carbonate as CaC03 <2 <2 <2 <2 <2 <2 <2 <2 <2 <br />Bicarbonate as CaC03 307 348 302 322 523 698 315.7 403 316.7 <br />Fluoride 0.4 <br />Nitrate-Nitrogen diss 0.06 0.04 0.01 0.14 0.05 0.02 0.01 0.04 0.04 <br />Iron dissolved 0.06 0.26 0.24 0.16 0.20 0.47 0.29 0.29 0.087 <br />Manganese dissolved 0.15 0.30 0.20 0.22 0.65 0.23 0.192 0.281 0.489 <br />Notes: All values represent mean annual values in mg/I unless otherwise noted. <br />* = Equipment malfunction (EC 2004 and 2005) <br /> FIGURE 5 <br />EC vs TDS - WELL AP-2 <br /> 1200 <br /> 1000 -------------------------------------- ------ ---- ------------------------------- <br />E Oi <br />o <br />800 ii <br />.----------------------------------- ------------------------ ------ <br />' <br />------ <br /> ?j <br />w <br />600 <br />----. <br />------- --------- ---------- - <br /> <br />b <br />4 <br />Q i <br /> <br />Cb 4 <br />' \; - <br />--- - <br /> 400 ------ <br />--- <br />j ---- <br />- <br />-03 <br /> <br />F- <br /> 200 ----- <br />------------- ------------------ --------- ,------------------------ ----------- ------ ----- ,----------------- <br /> <br /> 0 <br /> Jul -96 Jul-97 Jul-98 Jul-99 Jul-00 Jul-01 Jul-02 Jul-03 Jul-04 Jul-05 Jul-06 Jul-07 <br /> DATE <br /> -®- TDS --*-EC <br />Note - Equipment malfunction for EC in parts of 2004 and 2005, data removed. <br />6371/2007/2007 hydrology rpt Page 13