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 4124102 5128102 5129102 1131103 2126103 3126103 3126103 4129103 5122103 6123103 7129103 7129103 Total dissolved solids (mg/L) Bicarbonate (mg/L) Alkalinity, total (mg/L) Calcium, dissolved (mg/L) Sodium, dissolved (mg/L) Potassium, dissolved (mg/L) Sulfate (mg/L) Chloride (mg/L) Aluminum, dissolved (mg/L) Aluminum, total (mg/L) Antimony, dissolved (mg/L) Antimony, total (mg(L) Arsenic, total (mg/L) Copper, dissolved (mg/L) Copper, total (mg/L) Iron, dissolved (mg/L) Iron, total (mg/L) Iron, Ferric (Fe3+) (mg/L) Lead, total (mg/L) Magnesium, dissolved (mg/L) Manganese, dissolved (mg/L) Manganese, total (mg/L) Mercury, total (mg/L) Molybdenum, dissolved (mg/L) Silver, total (mg/L) Thallium, dissolved (mg/L) Thallium, total (mg/L) Zinc, total (mg/L) Uranium, dissolved (pCi/L) Uranium, suspended (pCi/L) Radium-226, dissolved (pCi/L) Radium-226, suspended (pCi/L) 141 494 366 -------- ---------------- ----------- --- ---------------- ---------------- ---------------- 126 ------------- 123 ------- 61 104 101 30.9 82.5 - - -- --- 61.1 ------- --------- ---------------- ---------------- 13.8 ' - ---------------- - ----- - ' --------------- -'---------- ----------------- 34.8 ---- ' - ---------------- -- - --------------------- -------- ----" ----------------- -- ---------------- ---------------- --------- - --------------- 14.6 ----- - ---- -------- 2.82 - -- - - - - - -- - - - - - -------- - ------ - 4.42 -- -- ---- - ----- - - ' - - -------' ' '-------' 3.42 ----------- --------------- ------ ------ 37.3 --- -- - - - - -- --- - -- ----- 192 ----- - --- - -- - 138 28.1 33.9 21 <0.2-U <0.2-U <0.2 U <0.2 U <0.2 U <0.2 U - x.001 U <0.001-U <0.001 U <0.001 U ---- - - - -- ---- ---- -------------- <0.001 U -------- - ---- - - -------- -- ---------------------------- ----------------- ---------------- --------------- <0.001 U ----- --- - - ---- <0.01 U ---------------- -- - - - ---------------- --------------- - <0.01 U ------ ----------- - -- - ---------------- ------------------------------- ----------------- ---------------- --------------- <0.01 U ----- ----------- ---------------- <0.005 U 0.008 0.006 <0.005 U <0.005 U <0.005-U <0.03 U <0.03 U <0.03 U 10.03 U 0.039 0.162 <0.03 U -------- <0.03 U - 0.162 ---- - ---------------- <0.005 U ---------------- ---------------- --------------- <0.005 U ----------------- ---------------- -------------------- -------- ------- ---'-- --- - --- - -- --------------- <0.005 U ---------------- ---------------- 8.88 ------ --- --- ------------- --------------- 27.2 ----- ----- - -- --------------- ------------------------------- ----------------- ---------------- --------------- 18 ------------ - -------------- - - <0.01 U <0.01 U 0.05 <0.01 U ----- - - --- - - --- --- ---------- <0.01 U -------- --- - - ----------- - - ----------------------------- ----------------- ---------------- --------------- 0.06 ---------------- ---------------- - ------ <0.0001 U - - - - - <0.0002 U - - - -- - <0.0001 U ----------- ---------------- <0.011 U ---------------- -- - --------------- --- - - ----------------- 0.04 -- - - - ---------------- -- - -- - ------------------------------- -- ---- - --------------------- ------- --------- ----------------- ----------- - - ---------------- --- --------------- 0.028 ---------------- ---------------- ---------------- <0.001 U -------- -- - -- - -- --- ----- - <0.004 U ---- - <0.001 U <0.001 U <0.001 U <0.001 U <0.001 U <0.001 U <0.001 U - - - - <0.005 U - - - - - - - - - - - - - - - - - - - - 0.045 ------ ---- ---------- ----- ----- ------ --- ----- ---_- _-_- 0.021 ---------------- --- ------- 0.0497 0.0222 0.0034 - 0.441 ' 0.376 0.0543 0.0546 -- 0.0071 0.0112 0.035 ----- ---------------- 0.0837 - ---- ------ ---------------- <0.0003 U ---------------- ---------------- <0.0003 U ---------------- ------ ------ 0.0004 b --------------- - -------------- <0.0003 U ----------------- --------------- <0.0003 U ---------------- ---- <0.0003U ------------------------------- <0.002 U ---------------- <0.002 U ---------------- <0.002 < -- ------ --- ---------------- - - - 0.0023 ---------....... 0.7 <0.2U 0.5 1 1 0.4 0.3 0.6 0.4 1.9 0.7 __------ ---- - <0.2 U -- - -'--------- 0 ---------'--- <0.2 U ---- ------- - - ' <0.2 U - ---------- -- <0.2 U ------------------------------- <0.1 < ----------------- <0.1 < ---------------- <0.1 < --------------- ---------------- 0.1 ------ -------- Printed 11/15/2007 5:28:37 AM Page 17 of 74