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Powderhorn Coal Company <br />Paradox Hydrology System <br />Water Quality Report <br />Site YAAL14 <br />Lac -307]9.5'2 -3909.053 <br />El ev 6971.97 10/0?/96 5/19/97 <br />Field Param?tors <br />Field Ph S.U. 6. 99 7. 31 <br />Temperature C 11. 50 6. 10 <br />Conductivity UMHOS/CM 2140. 00 1320. 00 <br />Depth To Water FT 10. 83 4. 38 <br />Laboratory Pa rame tens <br />Alk As Caco3, Ph 4.5 MG/L 530. 00 ]26. 00 <br />Al k, Bicarb As Caco3 MG/L 570. 00 326. 00 <br />Al k, ca rb As caco3 MG/L < 2. 00 < 2. 00 <br />Al k, Hydrox As caco3 MG/L < 2. 00 < 2. 00 <br />Aluminum. Dissolved MG/L < . 06 < . 03 <br />Arsenic, Dissolved UG/L < 1. 00 < I. 00 <br />Barium. Dis Solved UG/L 68. 00 63. 00 <br />Boron, Dissolved UG/L 190. 00 110. 00 <br />Cadmium. Dissolved VC/L < 6. 00 < 3. 00 <br />Calcium. Dissolved MG;L 171. 00 166. 00 <br />Chloride MG/L 19. 00 14. 00 <br />Chromium, Dissolved UG/L < 20. 00 < 10. 00 <br />Conductivity UMS/CM2 1986. 00 1270. 00 <br />Copper, Dissolved UG/L < 20. 00 < 10. 00 <br />Fluoride MG/L B . 30 B . 30 <br />Hardness As caco3 MG/L 851. 00 805. 00 <br />Iron, Dissolved MG/L B . 07 B . O1 <br />Lead, Dissolved UG/L < 40. 00 < 40. 00 <br />Magnesium, Dissolved MG/L 103. 00 94. 80 <br />Manganese, Dissolved MC/L ]. 36 B . O1 <br />Mercury, Dissolved UG/L < . 20 < . 20 <br />Molybdenum, Dissolved UG/L < 10. 00 < 1. 00 <br />Nickel, Dissolved UC/L < 20. 00 < 10. 00 <br />Ammonia Nicrogen_N MG/L . 90 < . OS <br />Nitrate Nitro9en_fl MG/L . 11 3. 97 <br />Nitrite Nitrogen_N MG/L < . O1 < . O1 <br />NO2 Nitrogen N MG/L <br />Nol - 11 3. 97 <br />_ <br />Ph AC 25 Deg. Cent. S.U. 7. 30 7. 70 <br />Phosphorus, Ocehophos MG/L . 09 . 03 <br />Po tars ium, Dissolved MG/L 5. 80 5. 80 <br />Selenium, Dissolved UG/L < 1. 00 B 1. 00 <br />Silver,-Dissolved UC/L < 10. 00 < 5. 00 <br />Sodium, Dissolved MG/L 219. 00 55. 70 <br />Solids. Dissolved MC/L 19]0. 00 999. 00 <br />Solids, Suspended MC/L 8 16. 00 < 5. 00 <br />Sulfate MG/L 680. 00 430. 00 <br />Sulfide MC/L . 15 < . 02 <br />Zinc, Dissolved MC/L < . OZ < . O1 <br />Bicarbonate As Hco3 MG/L 647. 00 397. 00 <br />Carbonate As Co3 MG/L < 2. 00 < 2. 00 <br />Hydroxide As Oh MG/L < 2. 00 < 2. 00 <br />Phosphate As Po9 MG/L . 28 B . 07 <br />Cation Anion Balance PERCENT 3. 20 7. 10 <br />Sar RATIO 3. 31 . 86 <br />Solids, Di ss. (Ca lc) MG/L 1510. 00 966. 00 <br />Sum Ot Anions MEQ1L 25. 30 16. 20 <br />Sum Of Cations MEQ/L 27. 00 18. 70 <br />Tds Ratio ANAL/CALC . 96 1. 03 <br />Q <br />t+ <br />Conditions: F~10/O1/96 To 9/JO/57..,WELL...AZea=YST ~ • <br />