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<br />Table 26A -Comparison of New Elk Slurry Water <br />Quality with Water Quality Standards <br /> <br /> <br /> <br />Parameter Seepage from <br />the Allen Mine <br />Waste Dump' LA 221A <br />Coal <br />Aquifer' <br />Slurry <br />12128/94 MLRD <br />Irrigarion <br />Material <br />Damage <br />Suspect <br />Levee MLRD Stack <br />Warering <br />Material <br />Damage Suspect <br />Levee Reoomrttertded <br />Standards for <br />Domestic <br />GmundwateP Recormrreltded <br />Slardards for <br />Agricultural Use' Colorado Surface <br />Water Ayuuic Life <br />Standard' <br />pH 8.0 8.8 8.2 5.0-9.0 6.5-9.0 <br />Specific Conduaance 1000 900 700 <br />Hardness NA 49 <br />ABcaliniry 772 596 <br />Bicarbonate 827 606 215 <br />Carbonate 56 59.6 ND <br />Chloride ll IS 72 250 250 <br />Fluoride 0.44 2.8 1.5 ~ <br />Sulfate 1023.4 15 l30 250 <br />Calcium 35.8 l.8 IS <br />Magnesium 22.65 0.7 2.9 <br />Potassium 15.5 2.1 2.8 <br />Sodium 1028 251 180 <br />Uon (total recoverable) 0.81 25.9 <0.015 5 1.0 <br />Iron (dissolved) 0.03 0.03 0.3 1.0 <br />Manganese (total <br />recoverable) <0.04 O.14 <0.005' 0.1 1.0 <br />Manganese (dissolved) <0.009 <0.005 0.05 0.2 0.05 <br />Boron 0.24 0.06 0.02 0.5 - 2.0 0.75 0.75 0.75 <br />Lead 0.03 NA ND 5 0.05 0.1 Acute: 0.067 <br />Chronic: 0.003 <br />(Revised 02/6/95) <br />2.05-85a <br />