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Table B -6. PAW -9, Ground Water Well East of Mine, Summary of Water Quality Data <br />1994 <br />1995 <br />1996 <br />1997 <br />1998 <br />1999 <br />2000 <br />2001 <br />2002 <br />2003 <br />2004 <br />2005 <br />2006 <br />2007 <br />2008 <br />2009 <br />2010 <br />2011 <br />Statistic <br />Parameters <br />Units <br />Mean <br />Min. <br />Max. <br />Depth, mean <br />feet <br />13 3 <br />13.6 <br />13.8 <br />15 <br />15 <br />14 8 <br />14.8 <br />15.3 <br />15 2 <br />15.2 <br />15.2 <br />15.1 <br />15.3 <br />14.9 <br />15.2 <br />15 05 <br />15.25 <br />15.3 <br />14 8 <br />Depth, minimum <br />feet <br />12 <br />13.4 <br />14.7 <br />14 7 <br />14.5 <br />14.2 <br />15 I <br />14.4 <br />14.9 <br />15.1 <br />14 9 <br />15.3 <br />14 6 <br />15.1 <br />15.0 <br />15.25 <br />15 2 <br />14.6 <br />12 <br />Depth, maximum <br />feet <br />15 1 <br />15 <br />15 2 <br />15.3 <br />15.1 <br />15.3 <br />15.5 <br />16.4 <br />15.5 <br />15.2 <br />15.3 <br />15 3 <br />15.1 <br />15.3 <br />15 1 <br />15.25 <br />15.3 <br />15 3 <br />16.4 <br />pH mean (field) <br />standard <br />8.8 <br />8.02 <br />8 11 <br />7.32 <br />7.54 <br />7.74 <br />7.7 <br />8 2 <br />8.2 <br />8.15 <br />7 99 <br />7.89 <br />7.72 <br />7.72 <br />7 54 <br />8.05 <br />7 35 <br />7.56 <br />7.87 <br />pH minimum (field) <br />standard <br />7.6 <br />7 46 <br />7.11 <br />7.3 <br />7.52 <br />7.5 <br />8.1 <br />7.49 <br />7.9 <br />7.78 <br />7.52 <br />7.48 <br />7.4 <br />7.9 <br />7.35 <br />7.20 <br />7.54 <br />7.11 <br />pH maximum (field) <br />standard <br />8.54 <br />9.37 <br />7.47 <br />7 92 <br />7.9 <br />7.8 <br />8.2 <br />8 5 <br />8.17 <br />8 <br />8 12 <br />7.94 <br />7.68 <br />8.2 <br />7.35 <br />7.77 <br />8.06 <br />9.37 <br />pH (lab) <br />standard <br />7 7 <br />7.5 <br />7.9 <br />7 6 <br />8.1 <br />7 59 <br />7.7317 <br />7.5 <br />8.1 <br />Conductivity, mean <br />umhos/cm <br />463 <br />659 <br />547 <br />694.75 <br />696 <br />597 <br />576 <br />666 <br />791 <br />866 <br />862 <br />853 <br />876 <br />800 <br />680 <br />655 <br />715 <br />704 <br />705 57 <br />Conductivity, minimum <br />umhos/cm <br />463 <br />595 <br />507 <br />550 <br />526 <br />492 <br />503 <br />608 <br />682 <br />583 <br />696 <br />739 <br />658 <br />669 <br />530 <br />715 <br />695 <br />600.65 <br />463 <br />Conductivity, maximum <br />umhos/cm <br />463 <br />737 <br />608 <br />789 <br />819 <br />666 <br />649 <br />1090 <br />1060 <br />1010 <br />1010 <br />1012 <br />960 <br />690 <br />780 <br />715 <br />709 <br />809.82 <br />1090 <br />Temperature, mean <br />°C <br />13 3 <br />15.8 <br />14.7 <br />11.4 <br />10.9 <br />10 5 <br />11.9 <br />12.7 <br />12.2 <br />12.5 <br />9 8 <br />10.2 <br />12.2 <br />11.5 <br />13.1 <br />10.6 <br />12 2 <br />12.5 <br />12.11 <br />Temperature, minimum <br />°C <br />13 8 <br />11.5 <br />10.8 <br />9 8 <br />9.9 <br />11 6 <br />7.6 <br />8.9 <br />8.8 <br />8.6 <br />11.9 <br />11.4 <br />12.5 <br />10.5 <br />12.2 <br />11.1 <br />10.68 <br />7 6 <br />Temperature, maximum <br />°C <br />19 <br />16.2 <br />11.7 <br />12.4 <br />11 6 <br />12.2 <br />15 4 <br />13.8 <br />11 8 <br />11.7 <br />12.5 <br />11.6 <br />13.6 <br />10.7 <br />12 2 <br />13.0 <br />13.09 <br />19 <br />Dissolved oxygen <br />ppm <br />1.45 <br />1 45 <br />Iron (total) <br />mg/I <br />1 21 <br />8.85 <br />0.61 <br />0.67 <br />2.15 <br />7 27 <br />8.99 <br />1.41 <br />1 63 <br />0.56 <br />2.99 <br />0.52 <br />0.39 <br />3 12 <br />3.5 <br />2.92 <br />0.39 <br />8.99 <br />Iron (total recoverable) <br />mg/1 <br />0.69 <br />1.87 <br />8.16 <br />1.41 <br />2.63 <br />0 53 <br />0.40 <br />2.95 <br />3.4 <br />2.4489 <br />0 40 <br />8.16 <br />Iron (dissolved) <br />mg/ <br />0.1 <br />0.05 <br />0.16 <br />0.47 <br />0.3 <br />0.18 <br />0 18 <br />0.15 <br />< 02 <br />0.19 <br />0.16 <br /><0.01 <br /><0.01 <br />0.19 <br /><0.01 <br />0.47 <br />TSS <br />mg/1 <br />15 25 <br />201 <br />12 <br />8 <br />30 <br />6 <br />28 <br />14 <br /><5 <br />11 <br />36.14 <br /><5 <br />201 <br />TDS (a� 180C <br />mg/ <br />492.5 <br />470 <br />430 <br />440 <br />450 <br />410 <br />390 <br />390 <br />400 <br />330 <br />400 <br />600 <br />730 <br />380 <br />460 <br />410 <br />420 <br />447 21 <br />330 <br />730 <br />TDS (calculated) <br />mg/1 <br />505 5 <br />494 <br />458 <br />458 <br />433 <br />403 <br />385 <br />410 <br />334 <br />391 <br />613 <br />444.05 <br />334 <br />613 <br />TCS <br />mg/I <br />Carbonate <br />mg/1 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><1 <br /><1 <br /><1 <br /><2 <br /><1 <br /><2 <br />Bicarbonate <br />mg/1 <br />339.2 <br />320 <br />317 <br />332 <br />320 <br />298 <br />296 <br />308 <br />300 <br />266 <br />260 <br />439 <br />476 <br />295 <br />410 <br />430 <br />380 <br />340.36 <br />260 <br />476 <br />Manganese <br />mg/I <br />Manganese (total) <br />mg/I <br />0 17 <br />0.286 <br />0.151 <br />0.155 <br />0.169 <br />0.155 <br />0 176 <br />0 187 <br />0.117 <br />0 104 <br />0.169 <br />0 034 <br />0.016 <br />0.029 <br />0.164 <br />0.11 <br />0.11 <br />0.14 <br />0.016 <br />0.286 <br />Manganese (dissolved) <br />mg/1 <br />0.154 <br />0.173 <br />0.157 <br />< 096 <br />0.115 <br />0 154 <br />0 105 <br />0.082 <br />0.14 <br />0.006 <br /><.005 <br />0.085 <br />0.066 <br /><0.005 <br />0.11 <br />0.11 <br /><0 005 <br />0.173 <br />Sodium <br />mg/1 <br />70.6 <br />73.9 <br />71 <br />77 <br />71 <br />72.7 <br />70.6 <br />77 <br />Sodium (dissolved) <br />mg/I <br />71.2 <br />75.5 <br />67.5 <br />68.2 <br />57.9 <br />70.3 <br />68 8 <br />54 2 <br />72.2 <br />109 <br />130 <br />68 4 <br />76.10 <br />54.2 <br />130 <br />Chlonde <br />mg/1 <br />25 <br />33 <br />32 <br />32 <br />28 <br />27 <br />27 <br />24 <br />25 <br />20 <br />22 <br />14 <br />20 <br />21 <br />18 <br />16 <br />16 <br />23 53 <br />14 <br />33 <br />Sulfate <br />mg/1 <br />91 <br />90 <br />60 <br />50 <br />50 <br />40 <br />40 <br />30 <br />40 <br />30 <br />50 <br />110 <br />128 <br />30 <br />55 <br />42 <br />32 <br />56.94 <br />30 <br />128 <br />Calcium <br />mg/I <br />90.9 <br />82.6 <br />73 <br />71 <br />69 <br />77.30 <br />69 <br />90.9 <br />Calcium (dissolved) <br />mg/I <br />84 4 <br />81.5 <br />77 1 <br />72.8 <br />67 9 <br />63 2 <br />77.9 <br />57 <br />73.7 <br />94.8 <br />112 <br />64.2 <br />77.21 <br />57 <br />112 <br />Magnesium <br />mg/1 <br />19.3 <br />16.7 <br />13 2 <br />14.9 <br />15 <br />14 <br />13 <br />15.16 <br />13 <br />19.3 <br />Magnesium (dissolved) <br />mg/1 <br />16 4 <br />16.4 <br />15.1 <br />14.1 <br />12 <br />14.6 <br />13 3 <br />10.4 <br />14.5 <br />19.9 <br />24.2 <br />13 <br />15 33 <br />10.4 <br />24.2 <br />Potassium <br />mg/I <br />3.15 <br />2 9 <br />3 <br />2.8 <br />2.5 <br />2.87 <br />2.5 <br />3 15 <br />Potassium (dissolved) <br />mg/I <br />2.9 <br />2.8 <br />2.7 <br />2 8 <br />2.5 <br />3 1 <br />2.8 <br />2 5 <br />2.8 <br />2 <br />1.8 <br />2.6 <br />2.61 <br />1.8 <br />3 10 <br />Hydroxide <br />mg/1 <br /><2 <br /><2 <br /><1 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br /><2 <br />Fluoride <br />mg/I <br />0 45 <br />0.5 <br />0.5 <br />0.4 <br />0.5 <br />0 47 <br />0.4 <br />0.5 <br />Lead <br />mg/I <br />0.02 <br />0 04 <br />0.03 <br />0.02 <br />0.04 <br />Lead (dissolved) <br />mg/1 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br />0.0001 <br /><.0002 <br /><0.001 <br />0.0001 <br /><0.001 <br />0.0001 <br />Selenium <br />mg/1 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0.001I <br />Selenium (dissolved) <br />mg/1 <br />0 001 <br />0.002 <br /><0.001 <br /><0.001 <br /><0.001 <br /><0 002 <br /><0.001 <br /><0.002 <br />0 0015 <br /><0.001 <br />0.002 <br />Mercury <br />mg/I <br />SAR <br />standard <br />1 86 <br />2.08 <br />1.88 <br />2.02 <br />1.86 <br />1.94 <br />1.72 <br />2.1 <br />1.89 <br />1.75 <br />2.03 <br />2.69 <br />2 94 <br />2.06 <br />2.0 <br />2.2 <br />2.1 <br />2.07 <br />1.72 <br />2 94 <br />Settleable solids <br />mg/1 <br />Zinc (dissolved) <br />mg/1 <br />0.007 <br />0 007 <br />0.007 <br />0.007 <br />Hardness <br />mg/1 <br />316 <br />290 <br />278 <br />271 <br />255 <br />240 <br />219 <br />218 <br />256 <br />185 <br />244 <br />319 <br />379 <br />214 <br />240 <br />240 <br />230 <br />258.47 <br />185 <br />379 <br />Table B -6. PAW -9, Ground Water Well East of Mine, Summary of Water Quality Data <br />