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Marr Mine - 2007 Annual Hydrology Report <br />TABLE 8 - SITE AP-1 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 10.3 13.3 12.0 12.0 11.7 15.3 13.4 <br />H su 7.9 7.9 8.0 8.0 7.9 7.9 8.0 8.0 8.0 <br />EC mhos/cm 20°C 417 400 400 383 300 233(-) 100(-) 501 630 <br />TDS 307 303 297 295 293 290 260 303 313 <br />SAR in water 0.64 0.71 0.69 0.61 0.60 0.60 0.60 0.60 0.71 <br />Calcium dissolved 45.3 44.3 45.1 45.5 43.7 44.1 36.6 44.7 43.3 <br />Sodium dissolved 23.8 25.8 25.1 22.5 22.3 21.4 19.5 21.5 25.2 <br />Magnesium dissolved 37.7 35.3 34.6 35.6 34.6 33.9 27.6 33.9 32.8 <br />Potassium dissolved 1.1 1.0 1.2 1.2 1.0 0.9 1.0 0.9 12 <br />Sulfate 30.0 33.3 27 20 43.3 23.3 30.0 36.7 26.7 <br />Chloride 4.7 4.3 5 4 3.3 3.0 3.7 4.3 7.0 <br />Carbonate as CaC03 3.7 <2 <2 <2 <2 <2 <2 <2 <2 <br />Bicarbonate as CaC03 281 268 284 259 249 270 235.5 254.3 261.0 <br />Fluoride 0.5 <br />Nitrate-Nitrogen diss 0.07 0.03 0.03 0.26 0.02 0.01 0.01 0.02 0.01 <br />Iron dissolved 0.11 0.12 0.27 0.11 0.42 0.24 0.3 0.37 0.12 <br />Manganese (dissolved) 1 0.574 0.427 0.450 0.463 0.499 0.352 0.276 0.226 0.389 <br />Notes: All values represent water year mean values in mg/I unless otherwise noted. <br />" = Equipment malfunction for EC (2004 and 2005) <br /> FIGURE 4 <br />EC vs TDS - WELL AP-1 <br />900 <br />800 <br />------ ----- <br />li <br />----- '-I------- <br />-----I----------- ------------ ------------------------------ <br />------------- ------ <br />------ ---------- ------- <br /> <br />^ <br />700 <br />---------- <br />-------------- <br />---- ----------- I ----------- ------ <br />- <br />------- <br />u '0 N!, <br />o - ------------- --- - - - <br /> <br />500 <br />C /, <br />' <br />\\ <br />d <br />Q <br />Z 400 - ----------- <br />- - \ <br />- - - - ----- --- ------- - - ---------- ------ --- -------- ------- <br /> ` <br />- <br /> <br />E 300 ----------- -- <br />®--M <br /> <br />o <br />? <br />H 200 - ------------------ -------- -------- <br />i - <br />----------------- <br />4--- <br /> <br />-----i?--- <br />------ <br /> <br />----- ®- ---- ----?- <br />100 ----- ------- -------- ---- ----------- ----------- ----------- ----------- ------- ----- ----------------- ------' ---------- ------- <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 12