Laserfiche WebLink
Table 1 - Average ionic composition and ion proportions <br />New Elk Coal Company, LLC <br />New Elk Mine <br />Constituent <br />Surface Water <br />PRS -1 PRS -4 <br />PAW -1 <br />Alluvial Wells <br />PAW -2 PAW -8 <br />PAW -9 <br />Mine Water <br />NEW -2 NEW -4 <br />Average TDS (mg/L) <br />179 <br />193 <br />122 <br />410.2 <br />580.2 <br />461.8 <br />709 <br />1398 <br />Average EC (pmhos/cm) <br />284 <br />281.9 <br />390.6 <br />671 <br />8447 <br />728.8 <br />1075 <br />1932 <br />Average CaZ' Concentration (mg/L) <br />46 <br />46.6 <br />21.32 <br />68.3 <br />100 <br />74.6 <br />9.9 <br />8 <br />Ca 21 Proportion of Cations (%) <br />73.5% <br />72.4% <br />49.3% <br />44.5% <br />45.8% <br />43.3% <br />3.3% <br />1.3% <br />Average MgZ' Concentration (mg/L) <br />8.3 <br />8.4 <br />7.63 <br />13.2 <br />205 <br />14.8 <br />3.1 <br />3.6 <br />Mg 2* Proportion of Cations (%) <br />13.3% <br />13.1% <br />17.7% <br />8.6% <br />9.4% <br />8.6% <br />10% <br />0.6% <br />Average Na' Concentration (mg/L) <br />7.1 <br />81 <br />13.16 <br />69.31 <br />96.1 <br />80.2 <br />279 <br />619 <br />Average K' Concentration (mg/L) <br />1.21 <br />1.24 <br />1 11 <br />2.78 <br />1.9 <br />26 <br />6.4 <br />6 <br />Na' plus K' Proportion of Cations (%) <br />13.3% <br />14.5% <br />33.0% <br />46.9% <br />44.9% <br />48.1% <br />95.6% <br />98.2% <br />Average CO3 "+HCO; Concentration (mg/L) <br />140.61 <br />139.75 <br />108.56 <br />341 <br />423 <br />350.1 <br />5435 <br />1417 <br />C032"+HCO3 Proportion of Anions (%) <br />79.6% <br />79.8% <br />83.3% <br />82.3% <br />78.9% <br />80.9% <br />90.7% <br />97.3% <br />Average Cl- Concentration (mg/L) <br />2.1 <br />2.31 <br />6.7 <br />5 <br />15 <br />24.3 <br />7 <br />8.08 <br />Cl- Proportion of Anions (%) <br />1.2% <br />1.3% <br />5.1% <br />1.2% <br />2.8% <br />5.6% <br />1.2% <br />0.6% <br />Average SO4 " Concentration (mg/L) <br />34 <br />33 <br />15 <br />68.3 <br />98.4 <br />58.1 <br />49 <br />30.8 <br />SO4 ' Proportion of Anions (%) <br />19.2% <br />18.9% <br />11.5% <br />165% <br />18.3% <br />13.4% <br />82% <br />2.1% <br />Notes: <br />mg/L = milligrams per liter <br />pmhos/cm = micromho per centimeter <br />% = percent <br />TDS = Total dissolved solids <br />EC = Electrical conductivity <br />Cat' = Calcium ion <br />Mg 21 = Magnesium ion <br />Na' = Sodium ion <br />K' = potassium ion <br />CO, 2- = carbonate ion <br />HCO3 = bicarbonate ion <br />Cl- = chloride ion <br />SO4 2- = sulfate ion <br />