2007-11-23_HYDROLOGY - M1977300 (7)

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0 0 0 Cotter Schwartzwalder Mine Hydrology Study All Analytes-- Surface Water Analytical Results Whetstone Associates Parameter 11125103 11/25103 12116103 1123104 2125104 3/30104 3130104 4128104 5131104 5131104 5131104 6129104 Total dissolved solids (mg/L) 231 151 Bicarbonate (mg/L) 82 60 Alkalinity, total (mg/L) 82 ' '---'------ ---------------- ---------------- 60 ---------------- --'---------------------------- ------------------------------' ----------------- Calcium, dissolved (mg/L) 33 26 ------------------'-------- ----------------- Sodium, dissolved (mg/L) 12 13 Potassium, dissolved (mg/L) 2.9 30 Sulfate (mg/L) 46 30 Chloride (mg/L) 28 --'--- 28 Aluminum, dissolved (mg/L) ---- <0.2 ----------------- ---------------- -'-------------- ---------------- ---------------- <0.2 ----"-----'------'------------ ------------------------------- -----'----------' Aluminum, total (mg(L) --------------- <0.2 ---- <0.2 Antimony, dissolved (mg/L) ----------- <0.001 ----------------- --------- -- ---------------- ---------------- ------------ --- <0.001 -- -------------------------- ------------------------------- ----------------- Antimony, total (mg/L) <0.001 <0.001 Arsenic, total (mg/L) ------???? - <0.01 <0.01 Copper, dissolved (mg/L) --- ----<0.005----- ---------- <0.005 Copper, total (mg/L) <0.005 <0.005 Iron, dissolved (mg/L) 0.03 -' -- ------------- ---------------- --------------'- --'- --------- - ------------------------------- ---------------------------- --------------- Iron, total (mg/L) x.03 < Lead, total (mg/L) <0.005 <0.005 Magnesium, dissolved (mg/L) 8.5 9 Manganese, dissolved (mg/L) <0.01-< Manganese, total (mg/L) 0.02 -------'------- ---------------- ----------------- ---------------- ---------------- ---------------- ---------------- ------------------------------- ---------------------' - - - - - - - - - - - - - - - - Mercury, total (mg/L) <0.0001 ---------------- ---------------- --------- --- --- <0.0001 Molybdenum, dissolved (mg/L) 0.026 - - 0.008 Silver, total (mg/L) <0.001 <0.001 Thallium, dissolved (mg/L) <0.001 <0.001 Thallium, total (mg/L) <0.001 <0.001 Zinc, total (mg/L) <0.005 < ----- --- -_-- ----- ------ ------ -_-_-- ------ --_-- ------ ---- ------ ---- ------ ---- --__--_ Uranium, dissolved(pCi/L) 0.11 --- -- -- - ---- 0.0976 ---------------- 0.0926 -------- - ----- 0.097 - -------------- 0.0746 ---------------- 0.0348 ------------ - 0.0298 - -- 0.0088 0.049 0.0478 0.0521 0.0521 0.0235 Uranium, suspended (pCi/L) <0.002 < ---------------- --------- ---- <0.002 < ----------------- <0.002 < --------------- <0.002 < ------ ------- <0.002 < --- ------------ ----- - - ---------------- ------------------------------- 0.0009 ---------------------'- --------------------- - - - - - --- - - ------- 0.0009 - - - - - ----------- 0.0031 Radium-226, dissolved (pCi/L) 0.5 '----- --- --------------- 0.5 ------- --- 0.5 ---- ---- 0.6 ------ ---- 0.4 ------- ---- 0.4 --------------------------- -- 4.6 4 ----------------- 0.2 Radium-226, suspended (pCi/L) <0.1 < <0.l < <0.1 < <0.1 < 0.1 <0.2 --------------------- --------- ---'------------- ------- 0.4 Printed 11/15/2007 5:28:36 AM Page 5 of 74