2007-11-23_HYDROLOGY - M1977300 (7)

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Cotter Schwartzwalder Mine Hydrology Study All Analytes-- Surface Water Analytical Results Whetstone Associates Parameter 1131106 2116106 2127106 4128106 11130106 12116/06 12127106 1131107 3129107 6127107 915107 pit (Std. Units) 7224 Conductivity, specific (uS/cm) ---------------- --------------- -------------- --------------- --------- ---- - - 184 --'------ ------------------------------------------------ Total dissolved solids (mg/L) ---------------- - ------------ --------------- ----------- --- - -------------- ---------------- ---------------- --------------- 112 - -------------- ----------------------------------------------- Bicarbonate (mg/L) ---------------- --------------- ---------------- ---------------- ---------------- ---------------- ---------------- --------------' 41 ----------------- ------------------------------------------------ Alkalinity, total (mg/L) 75 ---------------- --------------- ---------------- ---------------- ---------------- ---------------- ---------------- --------------- 34 ----------------- ------------------------------------------------ Calcium, dissolved (mg/L) ------ 32.8------ --------------- ---------------- ---------------- ---------------- ---------------- ---------------- --------------- -------- 19.6----- ------------------- ----------------------------- Sodium, dissolved (mg/L) 14 ------------ -- ------------- ---------------- ------------- - - --------------- ---------------- ---------------- --------------- 10.4 ----------------- ---------------------------------------------- Potassium, dissolved (mg/L) 3.2 1.3 Sulfate (mg/L) 47 ---------------- --------------- ---------------- ---------------- ---------------- ---------------- ---------------- --------------- 22 ----------------- ------------------------------------------------ Chloride (mg/L) 28 -- ------ --- - ---- ---------------- - -------- - ' 21 ------------------------------- Aluminum, dissolved ( mg/L) ------ <0.2 < ---- 10.2 --------------- --------------- ----- <-0-.2 --- --- ------- <--0--.2 ----- ------- <0--.2 ---- ------10--.2 ----- ------ <0--.2 ---- .2 ------ <0----- -------------------------------------------- Aluminum, total (mg/L) ------ <-0.-1 - < ----- --------------- ---------- -- -- -- ------- --' ------ ----- -- -------- - -- ------ - ---- -- -------- -- -- -------------- 0.4 --------------- ------------------------------------------- Antimony, dissolved (mg/L) <0.001 < ---------------- <0.001 --------------- ---------- - - 10.001 ---------------- <0.001 --------------- <0.001 ------ ------- <0.001 --------------- <0.001 --------------- 10.001 ---------------- ---- ------------------------------------------ Antimony, total (mg/L) <0.05-< ---- ---------------- ---------------- ----'----------- ---------------- ---------------- --------------- <0.001 ----------------- ------------------------------------------------ Arsenic, total (mg/L) <0.001-< ----------- ---------------- -- - - - ---------------- ---------------- ---- --- -- - --- ---- -- 10.1 -- -- --- ------------------------------------------------ dissolved (mg/L) Barium, 0.039 Barium, total (mg/L) - -- - -- - - -- - -- ----- ----- ----- ----- - 0.218 ----- ------ ------------------------------------------------ Copper, dissolved (mg/L) - <0.005 -< - - - - - - - - ------ 0.001 ..... - - - - - ----- ................ ...... 0.002 ---------- <0.001 ---------------- 0.001 ---------------- <0.001 ---------------- <0.001 --------------- <0.005 ----------------- ------------------------------------------------ Copper, total (mg/L) <0.01 < <0.005 Iron, dissolved (mg/L) ------ --------------- -------------- ------------ --------------- ---------------- ------------- --------- 0.06 Iron, total (mg/L) .03 < ------<-O-. - - -------- --------------- ---------------- ---------------- ---------------- ---------------- ---------------- --------------- 0.51 ----------------- ------------------------------------------------ Iron, Ferrous (Fe2+) (mg/L) 10.03 < <0.03 0.05 <0.03 <0.03 <0.03 <0.03 0.06 Iron, Ferric (Fe3+) (mg/L) .03 < < - --- -'--- ---------------- ---------------- ---------------- -------------- ----- Lead, total (mg/L) - - ----- - <0.05-< ---- --------------- ---------------- ---------- - ---- - ---------------- ---------------- ---------------- ---------------- --------------- 10.005 ----------------- ------------------------------------------------ Magnesium,dissolved (mg/L) ------ 10.2------ --------------- ------------- --------------- ---------------- ---------------- ------------ ------------ -------- 5.------- ----------------------------- ------------------- Manganese, dissolved (mg1L) O.Oi <O,Oi --------------- '"v.vi ---------------- 10.01 ------ - ------- <0.01 --- ----------- G. Ol ---------------- 10.01 --------------- <0.011 ------- ---- - Manganese, total (mg/L) 0.02 ------------- 0.02 --------- ------------------------------------------------ Mercury, total (mg/L) 10.001 < ---------------- --------------- ------------- ---------- ---------------- --------------- -------------- ------------- ---- <0.0001 Molybdenum, dissolved (mg/L) 0.015 - - - - - - ------ --- 0.018 ------ --------- - --- ----- --- - - - - - 10.005 - - - - ----- - - - - - - 0.016-'- --'--- 0.015 - 0.019 0.016 10.005 ...... ................................................ Silver, total (mg/L) <0.01 < - - - <0.001 -------- ------------------------------------------------ Thallium, dissolved (mg/L) --- ---- @001<---- --------------- ---- <0.001----- ---------------- ---------------- ---------------- -----<0.001----- - - -----<0.001----- ----- <0.001----- ----- <0.001----- -----<0.001---- -----<0.001 ----- ------------------------------------------------ Thallium, total (mg/L) <0.1 < <0.001 Zinc, total (mg/L) - - - - - - <0.01 -< --------- --------- - ---------------- ---------------- ---------------- ----------- -- ---------------- --------------- 0.005 ----------------- ---------------------------------------------- Uranium, dissolved(pCi/L) ----- 0.114------ ----- 0.115----- ------ 0.129----- ----- 0.0056----- ------ 0.149----- -_--- 0.0905----- ------ 0.143----- ------ 0.104---- ----- 0.0084 0.031 0.172 ----------------------------------------- Uranium, suspended (pCi/L) <0.0003 < -- <0.0003----- --- ---- - ---- ----------- ---------------- ---------------- --------------- ------ 0.0018------ ------ 0.0003 ------------------------------------ Uranium, total (pCi/L) -_ - ---- -------------- - - ------- - 0.0102 Radium-226, dissolved (pCi/L) 0.5 ---- ------ --------------- 0.9 ------- --- ---------------- -------------' <0.2 0.8 0.7 ---------------------------- Radium-126,suspended (pCi/L) <0.2< --------------- --------------- <0.1 ---------------- ---------------- ---------------- -- - ---------- ---------------- --------------- <0.2 ---------- ----- <0.2 ---- ------------------------------------------ Radium-226, total (pCVL) ---------------- --------------- - ------- - -- -------------- -------------- ---------------- ---------------- --------- - <0.2 ---------------- ------------------------------------------------ Printed 11 07 5:28:37 AM age 14 of 74