2007-11-23_HYDROLOGY - M1977300 (7)

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Cotter Schwartzwalder Mine Hydrology Study All Analytes-- Surface Water Analytical Results Whetstone Associates Parameter 7131103 7131103 9/26103 10131/03 10131103 11/25103 12116103 1123104 2125104 3130104 4128104 5131/04 Total dissolved solids (mg/L) 261 215 Bicarbonate (mg/L) 117 ---------------- ---------------- --------- ----- 89 --------------- -------------- - --'---------- --------------- ---------------- -------------- - Alkalinity, total (mg/L) 96 ----'----------- ---------------- ---------------- 89 ---------------- --------------- ----------------- ---------------- ---------------- --------------- --------------- ----- ------ --------------------- Calcium, dissolved (mg/L) 36.7 19 ----------- -------------------------------- Sodium, dissolved (mg/L) 11.4 ---------------- ---------------- ------ --- ----- 15 ---------------- --------------- ----------------- ---------------- ---------------- -------------- ---------------- ---------------------------- Potassium, dissolved (mg/L) 2.56 ---------------- ---------------- ---------------- 3.1 ---------------- --------------- ----------------- ---------------- ---------------- --------------- --- - Sulfate (mg/L) 60.2 ---------------- ---------------- ---------------- 48 ---------------- --------------- ----------------- ---------------- ---------------- --------------- - ----------- ---------------- -------------------------------- -------------------------------- Chloride (mg/L) 17.8 ---------------- ---------- ----- ---------------- 28 ---------------- --------------- ----------------- ---------------- ---------------- --------------- ---- Aluminum, dissolved (mg1L) <0.2U ---------------- - ---------------- ---------------- ---------------- <0.2 --------------- ----------------- ---------------- ---------------- --------------- ------------ ---------------- -------------------------------- -------------------------------- Aluminum, total (mg/L) ?D.2 U <0.2 --------------------------- Antimony, dissolved (mg/L) <0.001-U <0.001 Antimony, total (mg/L) <0.001 U ---------------- ---------------- ---------------- ---------------- <0.001 --------------- ----------------- ---------------- ---------------- --------------- ---------------- -------------------------------- Arsenic, total (mg/L) <0.01 U ---------------- ---------------- -- --- -- - - ------------ <0.01 ------ --- ---- --------- ------ -------- ---- -- ---------------- ------------- ------------ - -- ------ Copper, dissolved (mg1L) <0-.005-U <0.005 -- ------- ---------- - Copper, total (mg/L) <02005 U <0.005 Iron, dissolved (mg/L) 0.041 ---------------- ---------------- --------------'- ---------------- - -------------- ----------------- ---------------- ---------------- --------------- ---------------- -------------------------------- Iron,total (mg/L) 0.117 <0.03 < Iron, Ferric (Fe3+) (mg/L) 0.041 <0.03 < Lead, total (mg1L) <0.005 U <0.005 Magnesium, dissolved (mg/L) 11.4 --------------- ---------------- ---------------- 10 ---------------- - ------------ ----------------- ---------------- ---------------- - ---------- ---------------- -------------------------------- Manganese, dissolved (mg/L) <0.01 U <0.01 < Manganese, total (mg/L) <0.01 U 0.02 Mercury, total (mg/L) <0.0001 U ---------------- ---------------- ---------------- ---------------- <0.0001 --------------- ----------------- ---------------- ---------------- --------------- ---------------- -------------------------------- Molybdenum, dissolved (mg/L) 0.027 0.027 Silver, total (mg/L) <0.001 U ---------------- ---------------- ---------------- ---------------- <0.001 --------------- ----------------- ---------------- ---------------- --------------- ---------------- -------------------------------- :uaWum, dissolved (mg)L) <0.001 U <0.001 Thallium, total (mg(L) <0.001 U <0.001 Zinc, total (mg/L) 0.01 _---- ----- ------- ----- 0.009 ------ ----- ----- ----- ------- ------ ------- ---- - -?-?_ Uranium, dissolved (pCVL) 0.168 0.17 0.22 0.14 0.155 0.11 0.13 0.11 0.0809 0.0314 0.0074 0.058 Uranium, suspended(pCi/L) --- <0.0003U ---- - -_ --------- ----- <0.002 < .... ----<0.002<---- .... <0.002 < ---- __--<0.002<---- ----<0.002<---- ---- <0.002 < ---- --------------- --------------- -----<0.002<---- ----- <0.002 < ---- ----<0.002<---- ---- <0.002 < ---- ----<0.002<---- ---- <0.002 < ---- ---<0.002<---_ --- <0.002 < ---- ---- <0.0003 ----- __--<0.0003----- ----0.0007 ---- 0.0007 ------------------------ Radium-226, dissolved (pCi/L) 0.9 0.8 0.8 0.6 0.5 0.5 0.3 <0.2 <0.2 Radium-226, suspended (pCi/L) <0.1 < <0.1 < <0.1 < <0.1 < <0.1 < <0.1 < <0.1 < <0.2 <0.2 07 5:28:38 AM age 18 of 74 Printed 11 w 0 is