2007-11-23_HYDROLOGY - M1977300 (7)

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Cotter Schwartzwalder Mine Hydrology Study All Analytes-- Surface Water Analytical Results Whetstone Associates 46 Parameter 6125102 2126103 2126103 3126103 3126103 4129103 5122103 6123103 7129103 7131103 9126103 10131103 Total dissolved solids (mg1L) ---------------- ------------------ --------------------------------------------- 105 ------------------ ---------------- --------------- ---------------- ---------------- --------------- ---------------- Bicarbonate (mg/L) 33.6 Alkalinity,total(mg/L) ---------------- ------------------ --------------------------------------------- --------- 28 ---- - - ---------------- --------------- --------------- --------------- ------- -------- ---------------- Calcium, dissolved (mg/L) -- ------------------------------------------- ---------15-.1 -------- ---------------- --------------- ---------------- ---------------- --------------- ---------------- Sodium, dissolved (mg/L) _ _7.39_ _ - Potassium,dissolved(mg1L) --------------- ----------------- ------------------------------------------ ------ 1.48 ----- ---------------- -------------- -------------- ------------ - --------------- ---------------- -------- 16.9 Chloride(mg/L) -- --------------- ---- ---------------------- -------- 18-.6 ------ ---------------- ---------- ---------------- --------------- --------------- -------------- Aluminum, dissolved (mg/L) ----- --------------------------------------------- <0.2 U ------------------ --------- Aluminum, total (mg/L) - 0.54 -------- 0.54 dissolved (mg/L) <0.001 U Antimony, total (mg/L) ---------------- ------------------ --------------------------------------------- <0.001 U ------------------ --------------- ---------------- ---------------- ---------------- --------------- ---------------- Arsenic, total (mg(L) - ------------------------ <0.01 U ------------------ ------------- Copper, dissolved (mg/L) ----- ------------------ ----------------------------- 0.007 ------ 0.007 total (mg/L) ---------------- ------------------ --------------------------------------------- <0.005 U ------------------ --------------- ---------------- ---------------- ---------------- --------------- ---------------- Iron, dissolved (mg/L) ------------- - -- -------------- - - - --------- -------------- ------ 0.102------- ------- ---- Iron,total(mg/L) --------'-- -------- --------------------------- - - ----------- - .61 - - --- 0------- ------ - - - - - - - - - - - - - - - - - - - - - - - - - Iron, Ferric (Fe3+) (mg/L) .508 0 Lead,total(mg/L) - --- <0------.005 -- U ----- - ------------ --------- Magnesium,dissolved(mg/L) ------------------- ------- 4.58-- Manganese, dissolved (mg/L) --- ------------- --- ---------------------------------------------- <0.01 U ------- ---- -------- --- ------------ -- ----------- ----- Manganese, total (mg/L) 0.02 Mercury, total (mg/L) Molybdenum, dissolved (mg/L) --------------- ------------ - --- ------------ -- - -------------- - ------------- <0.005 U ------- - <0.005-U ------- ------ <-0---.001-U ----- -------------- - _ - Thaluum, dissolved (mgir.) --- ---------------------------------------------- <n 001 r r - --------------- --------- Thallium, total (mg/L) ---------------- ---------------- ------------------------------------------- <0.00t U ------ ---- - - -------------- --------------- --- - ----------- ------ Zinc, total (mg1L) 0.014 Uranium, dissolved(pCi/L) 0.0152 0.171------- ------ 0.17----------- 0.0548----------- 0.0534----- ------ 0.0077------ ------ 0.022------ ------ 0.032------ ---- 0.0276 0.0796 0.12 0.13 Uranium, suspended (pCi/L) ---- ____-- <0.0003 U ----- <0.0003 U - ------- <0.0003 U --------------------- ................... <0.0003 U .... ---- .... <0.002 U .... --- ------ <0.002 < ------ ----- <0.002 < -------------- <0.002 < .... ------- -- .... <0.002 < ... -- -- .... <0.002 < ..... ------ Radium-226, dissolved (pCi/L) -------- ----- 1.2 ----- .9 0----- ---------------------- 0---.5 ..................... ........ 0---.4 ------ -------- 0--.3 ------ -------- 0-.4 ------- ------- t.-- l ------- -------- 0--.8 ------ ------- 0--.9 ----- -------- 0--.8 ------- Radium-226, suspended (pCi/L) ---- ------ <0.2U ------ .2 U <0 <0.2 U <0.2 U 0.1 <0.1 < 0.1 <0.1 < <0.1 < <0.1 < Printed 11/ 7 5:28:36 AM ID qw age 4 of 74