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• • •) Table C-11 Lick Creek -Water Quality and Field Parameters Baseline Sample Dates Field Parameter Units Minimum Mazimum Mean 6!23/98 7/2/98 8/29/98 9/30/98 Flow cts 2.04 0.31 0.01 0.01 Contludivlty (Field) umhos/cm 240 240 1000 1040 pH (Fieltl) SU 8.3 8.3 8.5 8.4 Temperature °C it.4 17.8 17.8 61 Laboratory Parameter Unld Alkalinity. total mg/L 122 Aluminum, dissoved mg/L 0.12 0.12 0 12 < 0.03 Anions meq/L 3.2 Arsenic, total recoverable mg/L 0 001 0001 0.001 < 0.001 Biwrbonale mg/L 56 229 111 122 Cadmium, dissolved mg/L 0 000 0.000 0 000 < 0.003 Calcium. dissdvetl mg/L 25.5 25.5 25 5 26.1 Carbonate mg/L < 2 Cauon -Anion Balance % -3.2 Cations meglL 3 Chloride mgll 0 6 4 < 1 Contludivily (Lab) umho5/cm 116 4B1 238 252 Copper, dissoved mg/L 0 00 0.00 0 00 < 0.01 Fluoride mg/L 0.1 Hardness mg/L 45 t69 B7 95 Hydrozitle mg/L < 2 Iron, dissolved mg/L 0.00 0.56 0.73 0.05 Iron, total mg/L 0.49 t1.30 4.06 1.76 Lead. dissolved mglL 0.00 0 00 0.00 < 0.04 Magnesium, dissolved mg/L 5.3 6 9 6.1 7.3 Manganese, dissolvetl mg/L 0007 0015 0.012 0.009 Manganese, trial mglL 0 003 0.390 0 t 10 0.067 Mara/ry. total recoverable mg/L 0 0000 0.0000 0 0000 < 0.0002 Moybdenum, dissolved mg/L 0.00 0.01 0.07 < 0.01 NitreteMilrite (as N) mglL 0.00 0.13 0.04 0 03 Nilrate/Nilnle (as N) mg/L 0 03 Nitrite (es N), dissolved mg/L < 0.01 pH (Lab) units 7.1 6 8 7.8 8.0 Phosphate mg/L 0.07 Phosphate (Onho), dissoNetl mglL 0.000 1 670 0.187 0.025 Potassium, dissolved mglL 1.2 Selenium. total recoverable mglL 0 00 0.00 0.00 < 0 04 Sotl~um Absorbtion Ratio 0 59 1.08 0 B6 7.11 Sodium, dissolved mg/L 236 23.6 23.6 24.6 Sullate mg/L 9 47 21 40 Total Dissolved Solids (Lab) mglL 90 552 169 160 Total Suspended Solitls mg/L 4 614 157 40 Zinc. dissolved mg/L 0 00 0.00 0.00 < 0 01 sadaces8.zls West Elk Mine 5/12/98 1998 Annual Hydrology Report Wright Water Engineers