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Table 2.04.7 -2 Quality of Ground Water Colowyo Coal Mine and Vicinity <br />Index No. on <br />Cadmium <br />Cobalt <br />Copper <br />Iron <br />Plate 2 <br />Manganese <br />Mercury Molybdenum <br />Nickel <br />Vanadium <br />USGS <br />Specific <br />(C) <br />0 <br />0 <br />Report <br />Conductance <br />Temp. <br />pH <br />Alkalinity <br />10 <br />1080 <br />18 <br />76 <br />478 <br />11 <br />800 <br />25 <br />25 <br />44 <br />13 <br />2700 <br />5 <br />75 <br />5 <br />16 <br />720 <br />8.5 <br />7.4 <br />358 <br />17 <br />2000 <br />15.0 <br />75 <br />481 <br />18 <br />1100 <br />5.0 <br />7.5 <br />381 <br />19 <br />790 <br />5.0 <br />7.4 <br />384 <br />22 <br />920 <br />7.0 <br />7.2 <br />470 <br />23 <br />300 <br />12.5 <br />7.5 <br />422 <br />24 <br />2250 <br />11.0 <br />7.1 <br />55 <br />25 <br />1323 <br />16.0 <br />7.3 <br />334 <br />26 <br />1230. <br />13.0 <br />8.4 <br />647 <br />27 <br />1200 <br />21.0 <br />8.1 <br />604 <br />30 <br />1430 <br />- <br />- <br />438 <br />31 <br />1750 <br />21.5 <br />7.1 <br />518 <br />32 <br />1200 <br />19.0 <br />8.1 <br />621 <br />Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved Dissolved <br />Arsenic <br />Cadmium <br />Cobalt <br />Copper <br />Iron <br />Lend <br />Manganese <br />Mercury Molybdenum <br />Nickel <br />Vanadium <br />Zinc <br />0 <br />0 <br />0 <br />0 <br />390 <br />1 <br />0 <br />0 0 <br />0 <br />.8 <br />10 <br />0 <br />0 <br />0 <br />0 <br />250 <br />2 <br />10 <br />.0 0 <br />0 <br />.6 <br />220 <br />0 <br />2 <br />0 <br />5 <br />130 <br />3 <br />20 <br />.0 0 <br />2 <br />.6 <br />2600 <br />0 <br />0 <br />1 <br />80 <br />300 <br />2 <br />170 <br />.0 0 <br />3 <br />.8 <br />120 <br />0 <br />0 <br />0 <br />40 <br />30 <br />2 <br />230 <br />.0 0 <br />3 <br />.3 <br />990 <br />- <br />- <br />0 <br />10 <br />40 <br />- <br />10 <br />.1 1 <br />6 <br />.2 <br />20 <br />0 <br />2 <br />0 <br />10 <br />.0 0 <br />3 <br />.1 <br />10 <br />- <br />- <br />0 <br />4 <br />10 <br />- <br />10 <br />.2 0 <br />8 <br />.2 <br />20 <br />0 <br />1 <br />1 <br />3800 <br />130 <br />2 <br />0 <br />.0 1 <br />1 <br />7.9 <br />80 <br />5 <br />- <br />- <br />- <br />3100 <br />- <br />820 <br />-- 2 <br />- <br />0 <br />- <br />- <br />3 <br />0 <br />670 <br />60 <br />.0 0 <br />2 <br />.4 <br />0 <br />2 <br />2 <br />40 <br />5 <br />.0 0 <br />2 <br />4 <br />10 <br />2 <br />1 <br />130 <br />20 <br />.1 0 <br />2 <br />.5 <br />0 <br />- <br />- <br />2 <br />1 <br />80 <br />0 <br />.4 1 <br />4 <br />3.0 <br />0 <br />0 <br />4 <br />1 <br />2700 <br />110 <br />27 <br />10 <br />.0 2 <br />3 <br />6.4 <br />300 <br />- <br />- <br />2 <br />1 <br />80 <br />- <br />5 <br />.0 0 <br />2 <br />.3 <br />10 <br />Sourest U.S. Geological Survey Open File Report 78 -23 <br />MOTSt All concentrations is µg/1 except alkalinity which is in mg/L and specific conductance which is mhos. <br />Tables 4 Revision Date: 6/12/12 <br />Revision No.: RN -06 <br />