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Page 4 of 7 Table 3. Trapper Mine 1985 Annual Groundwater Monitoring Summary based on Parameter List B (Table 4.8-12) from Trapper's OSM Permit Application. (1) h rC r .,,~ GF-6 GZ-1 GZ-2 P-1~ P-3 P-5 DATE 8/16/85 8/21/85 9/17/85 9/20/85 9/20/85 9/17/85 PARAMETER l2) m¢/1 m¢/7 m¢/I my/1 m¢/1 m¢/I Aluminum D 0.16 ( 8) < 0.05 < 0.05 ( < 0.05 < 0.05 Ammonia 0.68 0.76 0.36 0.06 0.09 Arsenic D X10 003 ~ 0.001 ~ 0.001_ < 0.001 0.001 T ~` 0.005 ~0.005' ~ 0.009 '~ ~ 0.003, D.001 Barium D O.ll 0.04 _ 0.10 0.02 0.01 T 0.13 ~' ~8~, 0.30 0.20 0.05 Bicarbonate 435. 452. ~86. _ 402_x__ 360. Boron D 0.07 0.09 0.34' 0.20 0.17 Cadimum D < 0.005 < 0.005 _ < 0.005 < 0.005 < 0.005 T < 0.005 < 0.005 < 0.005 .005 < 0.005 Calcium 53. 226. 156. 450. 244. ~' Chloride 8. 12. 50. 0'1! ~ 23, Chromium D < 0.01 < 0.01 < O.OL - O.OL < 0,01 T 0.01 'r OS 0.02 ~` 0.03 0,01 Copper D C 0.02 . < 02 < 0.02 < 0~'.(S2~ < 0,02 T < 0.02 0.04 ' T L...42. < 0.02 < 0.02 Iron D < 0.02 _ 1.15 1 0.22 O,p~ < 0.02 T 0.04 ~ ~ 34.60 6.10 2 ~ ~! 23.70 3.25 Lead D < 0.02 < 0.02 . 0.02 ~ < 0.02 T < 0.02 ~ I O.1lT < 0.02 < 0.02 0.02 Manganese D 0.03 ~ 0.28 0.04 0.01 < 0.01 T 0.03 ~ ~! 1.14 _ ~ ~ 0.79 ` 20 0.07 Magnesium 48. ' 183. 407.1 164. Molybdenum D < 0.05 < 0 05 < 0.05 T 0.05 < 0.05 Nickel D < 0.02 < 0.02 < 0.02 < 0,02 < 0.05 Phosphate, ortho 0.03 0.02 0.04 0,03 < 0.02 Potassium 2. 6. 5. 5, 2. SAR (4) 1.70 0.28 1.55 3.35 1.30 Selenium D < 0.002 < 0.002 < 0.002 < 0.002 0.005 T < 0.002 < 0.002 ~.. 0.011' < 0.002 0.007 Sodium 70. 20. 11~T`-~ 403. 106. Vanadium D < O.OL < 0.01 C O.OL _. _C.~..111 Nitrate 0.35 < 0.02 1. "1 0 21.5 Sulfate 56. 498. 735. 07 . 0 Fluoride 1.07 0.54 0:37 ,40 T.D.S. 506. 1170. 1560. 4650. ~ 1870. /{~ R226 (5) T 0.5+0.3 5.9+2.7 l 1.8+0.9 . _ .8+0.5 0.1+0.2 cont. WSH/jb 1/86 ` - - ~ 6 ,~ l~ I J.