2007-11-23_HYDROLOGY - M1977300 (7)

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Cotter Schwartzwalder Mine Hydrology Study All Analytes-- Surface Water Analytical Results Whetstone Associates 1.10111111111111 Parameter 4/21105 5131/05 6122/05 7131/05 8130/05 10126105 11/30/05 12/31/05 1131/06 2127106 5131/06 6122106 Total dissolved solids (mg/L) --------------- -------------- --------------- ----------- ---- 294 ----- ------- ---------------- ----- 210 Bicarbonate (mgfL) --- --------- ------------- ------- ------- --------------- 133 -------- - -- --------------- - --------- --------------- -------------- ------------- 98 -------------- ----------------- All alim .ty, total (mg/L) ------------ ---------------- 111 ------- ----- -- ---------'-- - -------------- ----- --------------- ---------------- ---------80----- --------------- -- Calcium, dissolved (mga) 52.8 -----'--' '----------- --------------- --------------- ----------------- Calcium, total (mg/L) ------------- ---------------- ------- ---------------- ------------- ------- --------- ----------- ---- -------- ------------- -- - ------------ --------------- - - - --------------- ---------------- ---- ------- 35.6 --------------- ----------------- Sodium, dissolved (mg/L) -------------- ------------- - -- 12.2 ------- - --- ---------------- ---------------- --- - - --------- -------------- ---------------- Sodium,total(mg/L) --------------- ---------------- -------------- ---------------- ---------------- ---------------- --------------- ---------------- - --- ----------- ---------------- --- ---------- - ------ --------------- --------------- -------1 .6----- 5 -------------- ----------------- Potassium, dissolved (mg/L) --------------- -------- - 2.8 ---------- ---------------- ---------------- - - -------------- --------------- ----------------- Sulfate (mg/L) --------------- - ----- ---------------- --------------- ---------------- ------------ - - ---------------- --------------- 89 ---------------- ----------- ---- ---------------- ---------------- --- - --------------- ---------------- --------------- 50 -------------- ----------------- Chloride (mg/L) 28 - ----------- ---------------- ---------------- ---------------- 24 --------------- ----------------- Aluminum, dissolved (mP,/L) '------- --------------- <0.2 ---- ----- ------------- -------- ---- <0,2 ----- ----- <0.2 ------ ------- <0.2 Aluminum, total (mg/L) ---- <0.1 ----- ----- ----- -------------- -- ---------- --------------- --------------- ------- <0.1 Antimony, dissolved (mgfL) <0 .001 ---- --------------- ---------------- ------ <0001 m2001 <0.001 Antimony, total m - < 0.05 <0 .05 ------- total (mg/L) <0.001 - <0.01 Copper, dissolved (mgfL) <0.005 <0.001 <0.001 0.001 Copper, total (mg/L) --------------- ---------------- ---------------- ---------------- <0.01 -------------'-- ------ <0.001 Iron, dissolved (mgfL) -------'------- ---------------- ---------------- ---------------- 0.03 ---------------- ---------- ---------------- ---------------- ------ ---------------- ---------------- ---------------- <0.03 --------------- ----------------- Iron, total (mg/L) --------------- ---------------- ---------------- ---------------- 0.11 ---------------- -------- ---------- -----------'---- ---------------- ---------------- 0.03 --------------- ----------------- Iron, Ferrous (Fe2+) (mgfL) - - ----- -------- ----------- - ---------------- ---------------- ---------------- --- ---------------- ---------------- --------------- 0.19 ----------------- 0.07 Iron, Ferric (Fe3+) (mg2) --------------- ---------------- ---------------- ---------------- -------- 0-.--08 ----- ---------------- -- -- - - - ---------------- ----- ----- <0 .03 --------- ----------------- Lead, total (mgfL) --------------- --------------- -------------- ---------------- <0.05 ---------------- ----- - ----------- ---------------- ---------------- -------- --- ----- <0.005 --------------- ----------------- Magnesium, dissolved (mgfL) 17.2 ---------- ---------------- -------------- ---------------- --------------- ------------- ----------------- Manganese, dissolved (mg/L) 0.01 <0:01 <0.01 <0.01 Manganese, total (mg/L) --------------- ---------------- ---------------- ---------------- 0.02 ---------------- -------------- - ' <0.01 Mercury, total (mg/L) <0.001 - --------------- ---------------- ---------------- ---------------- <0,0001 --------------- ----------------- Molybdenum, dissolved (m g/L) --------------- ---------------- ---------------- ---------------- 0.026 ---------------- -------- 0.021 <0.005 <0.005 Silver, total (mg/L) <0.01. -------- ---------------- ---------------- ---------------- ---------------- <0.0005 --------------- ----------------- Thallium, dissolved (mgfL) --------------- ---------------- ---------------- ---------------- <0.001 ---------------- -- <0.001 <0.001 <0.001 Thallium, total (mg/L) ------------ ---------------- -------- - <0.1 -------------- ---------------- ---------------- ---------------- ----------'----- <0.001 --------------- ----------------- Zinc, total (mg/L) - --- -- - ---- <0.01----- ------------ --- ---------------- ---------------- ---------------- ----- 0.003 Uranium, dissolved (pCi/L) 0.0072 0.0071 0.0126 0.205 0.2 0.106 0.15 0.107 0.122 0.176 0.0044 0.0129 Uranium, suspended (pCi/L) 0.0021 0.0006 0.0015 <0.0003 0.0004 <0.0003 0.0003 0.0008 0.0008 <0.0003 Radium-226, dissolved (pCi/L) <0.2 <0.2 <0.2 0.6 <0.2 0.6 0.6 <0.2 < <0.0003 < 0.7 Radium-226, suspended (pCi/L) <0.2 <0.2 <0.2 <0.2 <0.2 <0.1 <0.2 <0.2-< <0.2 < <0.1 1107 5:28:38 AM ` AMage 20 of 74