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Cotter Schwartzwalder Mine Hydrology Study All Analytes-- Surface Water Analytical Results Whetstone Associates <br />Parameter 3/29107 6127107 915107 <br />pH (Std. Units) ---------------- ----------------------- 8.06 ----------------------------------------------------------------------------------------------------------------------------------------- <br />--------------- <br />Conductivity, specific (uS/cm) <br />--------------- 453 <br />--------------------- -- - -_- - ---------------- ----------------------------_----------------------------------------------------------------------------------------- <br />Totaldissolved solids(mg/L) 252 ------------------ ------------------------------ - ---------------------------------------------------------------------------------------------- <br />Bicarbonate (mg/L) 142 <br />-------------------------------------------------- <br />Alkalinity, total (mg/L) <br />------- 119 <br />-----------------------------------------------------------------------'------------------------------------------------------------------------------------------ <br />Calcium, dissolved (mg/L) 48.9 <br />-_- - --- - -------------------- - --- - ------------------- - -----'------------------------ - ----- - - ---------- - ---------- - ------------------------ - <br />--------- <br />Sodium, dissolved (mg/L) 18 <br />-.2 ------------------------------------------------------------------------------------------------------------------------------------------------------ <br />Potassium,dissolved(mg/L) --------------- ---------------------_ 3.3------------- <br />-------------------------------------------------------------------------------------------------------------------------------------- <br />Sulfate (mg/L) 68 <br />---------- ----------------------------------------------------------- <br />Chloride(mg/L) ------------------32--------------------------------------------------------------------------------------------------------------------------------------- <br />Aluminum, dissolved (mg/L) <0.2 <br /> <br />------------------------------------------------------------------------- <br />----------------------- <br />Aluminum, total (mg/L) <0.2 <br />Antimony, dissolved (mg/L) 0.001 <br />--------------------------------------------------------------------------------------------------------------------------------------------- -- <br />Antimony,total(mg/L) - ------------- -------------------------------------------- ---- ---------------------------------------------------------------------------------------------------------------- <br />----- <br />Arsenic, total (mg/L) <0.1 <br />------------------------ <br />Chromium, total (mg/L) <br />Copper, dissolved (mg/L) <br />------------------- <br />Copper,total(mg/L) - - - - - - - - -- - - - - - - <0.005 <br />-------- - --------------------------------------------- - --'------------------------------------------------------------------- ----------------- <br />Iron, dissolved (mg/L) <0.03 <br />Iron, total (mg/L) ---------------- ------------------------ 0-.2 <br />Ferrous (Fe2+) (mg/L) <0.03 <br />----------------------'--- ------------------------ <br />Lead, total (mg/L) <0.005 <br />------------------ - ---------------------------- - - ------------------------------------------- - -- - ----------------------- - --- - ----------------- <br />-------- ----- <br />dissolved (mg/L) <br />Magnesium, 14.9 <br />-----------------------------------_--- ------------------------------------------------------------------ - - -------------------- - -- - ------- <br />Manganese, <br />dissolved ( <br />mg/L) 0.02 <br />Manganese,total( <br />mg/L) ----------------------- 0.03---------_ <br />Mercury, total (mg/L) <OA001 <br />-------------------------- - --- ------------------------------------------- <br />Molybdenum, dissolved (mg(L) 0.023 <br />Silver, dissolved (mg/L) <br />Silver, total (mg/L) <0.001 <br />Thallium, dissolved (mg/L) ----------------- <0.00t <br />------------------------------------------------ ------------------------------------------------------------------------------------ ------------ <br />Thalfium, total (mg/L) <0.5 <br />Zinc, dissolved (mg/L) _--<70 ----------------------------------------------------------_-------------------------------------------------------------------------------- <br />Zinc, total (mg/L) <br />----- <br />---- 0.008 --------_ _ <br />------ <br />------- <br />------------ <br />Uranium,dissolved(pCi/L) 0.0081 0.145 <br />0.031 <br />Uranium, suspended (pCi/L) 0.0032 0.0005 <br />Uranium, total (pCi/L) 0.0113 <br />Radium-226, dissolved (pCi/L) <0.2 <br />--------------- 0.7 <0.2 <br />------' ----------------- - ----------------_-- -- - ------------------------------------------------------------------------------------------- <br />Radium-226, suspended (pCi/L) <0.2 <br />--------------- 0.6 <br />-------------------------------------------- - -------------------------------- --------------------------------------------------------------------------------------- <br />Radium-226, total (pCVL) <0.2 <br />Printed 11/ 7 5:28:36 AM age 8 of 74