Laserfiche WebLink
West Elk Mine 2008 Annual Hydrology Report 60 <br />Spring G-31 had elevated TDS of 576 mg/l compared to the baseline maximum of 505 mg/l. <br />Spring J-4 had a slightly elevated conductivity of 450.8 gmhos/cm compared to the maximum <br />baseline value of 429 gmhos/cm and TDS of 305 mg/l compared to the maximum baseline value of <br />300 mg/l. Spring J-2 had elevated dissolved aluminum of 0.51 mg/l compared to the baseline <br />maximum of 0.20 mg/1, elevated total arsenic of 0.165 mg/l compared to the baseline maximum of <br />0.010 mg/l, elevated dissolved boron of 1.87 mg/1 compared to the baseline maximum of 0.59 mg/l, <br />elevated dissolved cadmium of 0.006 mg/l compared to the baseline maximum of below lab <br />detection limits (<0.005 mg/1), elevated dissolved calcium of 14.7 mg/I compared to the baseline <br />maximum of 10.9 mg/I, elevated dissolved copper of 0.057 mg/l compared to the baseline <br />maximum of below lab detection limits (<0.01 mg/1), elevated hardness of about 82 mg/I compared <br />to the baseline maximum of 47 mg/l, elevated dissolved magnesium of 11 mg/l compared to the <br />baseline maximum of 4.7 mg/l, elevated total recoverable selenium of 0.009 mg/l compared to the <br />baseline maximum of below lab detection limits (<0.001 mg/1). <br />The baseline water quality data for the following seven springs (35-3, Deer Creek Spring, Deep <br />Creek Trail Spring, Deep Creek Spring #2, WCC-24, 96-2-2, and J-7) were collected in WY 2007. <br />Spring 35-3 had elevated levels of dissolved aluminum of 0.175 mg/I compared to the maximum <br />baseline value of 0.09 mg/I, elevated dissolved boron of 0.29 mg/l compared to the baseline <br />maximum of below lab detection limits (<0.01 mg/1), elevated dissolved copper of 0.017 mg/l <br />compared to the baseline maximum of below lab detection limits(<0.01 mg/1), elevated dissolved <br />magnesium of 5.83 mg/1 compared to the baseline maximum of 5.8 mg/l, and elevated total <br />recoverable selenium of 0.006 mg/l compared to the baseline minimum below lab detection limits <br />(<0.001 mg/1). Deer Creek Spring had elevated dissolved aluminum of 0.391 mg/I compared to the <br />baseline maximum of below lab detection limits (<0.03 mg/1), elevated total arsenic of 0.005 mg/l <br />compared to the baseline maximum of below lab detection limits (<0.005 mg/1), elevated dissolved <br />boron of 0.72 mg/l compared to the baseline maximum of below lab detection limits (<0.01 mg/1), <br />elevated dissolved calcium of 70.5 mg/l compared to the baseline maximum of 68.6 mg/l, elevated <br />dissolved copper of 0.014 mg/I compared to the baseline maximum of below lab detection limits <br />(<0.01 mg/1), elevated hardness of about 281 mg/1 compared to the baseline maximum of 255 mg/l, <br />elevated dissolved iron of 0.03 mg/l compared to the baseline maximum of below lab detection <br />limits (<0.02 mg/1), elevated total iron of 0.42 mg/l compared to the baseline maximum of 0.20 <br />mg/l, elevated total manganese of 0.009 mg/I compared to the baseline maximum of 0.005 mg/l, <br />elevated dissolved potassium of 2.9 mg/1 compared to the baseline maximum of 2.1 mg/l, elevated <br />total recoverable selenium of 0.005 mg/l compared to the baseline maximum of below lab detection <br />limits (<0.001 mg/1), elevated dissolved sodium of 36.5 mg/l compared to the baseline maximum of <br />June 2009 HydroGeo, Inc.