2008-12-17_HYDROLOGY - M2004078 (6)

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Lupton Lakes Gravel Mine - Ft. Lupton Colorado 2008 Water Quality Monitoring n___.....&..-.a..... ..uh...,..s4- .......nn, arori hu fha niuieinn of Minaralc and C4eninav Permit #M-2004-078 CRMW09 limits by 2007 Proposed Parameters Units CDPHE"2 Baseline Levels Jan-08 Apr-08 Jul-08 Oct-08 m Arsenic - Tota13 mg/L 0.01 0.03 -- ~-- - 0.0019 3 Fecal Coliform mpn 100 ml ABSENT 1 2 E c ^ Fluoride mg/L 4 1.4 0.74 0.9 1.18 0.13 a e Mercury - Tota13 mg/L 0.002 0.0002 - - -- -" o Nitrate-N mg/L 10 29.9 1.06 1.54 U 0.6 Chloride mg/L 250 262 251.48 238.63 208.98 177.86 r t0 3 Iron - Dissolved mg/L 0.3 0.77 0.015 0.048 0.171 0.156 o CO pH units 6.5 - 8.5 - 7.52 7.28 7.85 7.39 N C Sulfate mg/L 250 237 264.77 258.76 271.57 242.86 o Total Dissolved Solids mg/L 500 1309 1239 -- 1067 1100 Bicarbonate mg/L ---- 642 563.2 525.7 498 476.4 Calcium - Tota13 mg/L ----- 202 190.1 174.2 154.5 127.9 m m Carbonate mg/L ----- o u u u u Magnesium - Total3 mg/L as 38.8 37.8 37.1 29 CL Sodium - Tota13 mg/L ----- 184 199.8 182.9 153.1 166.1 c Total Suspended Solids mg/L ----- 8015 168 49 192 2530 M Total Phosphate mg/L --- 3.70 -- - --- 0.4 13 a Turbidity NTU -- - 80 18.6 132 1105 Total Extractable Hydrocarbons mg/L ----- 0 2,4-D Ng/L ---- -- 2,4-DB Ng/L -- - - -- --- --- --- Dalapon pg/L 200 -- --- --° -~ tig/L ---- cm Dichlorprop pg/L 0.52 to 5 - ~-- -'-' '-' ~- p Dinoseb Ng/L 7 --- --" -"" --"" -'~ m MCPA Ng/L -~- MCPP Ng/L = 3,5-Dichlorobenzoic Aci Ng/L ---- - -- "" "'-' -"-' '"° Chloramben Ng/L ,rte Bentazon pg/L - -- _- `o Picloram pg/L --- - ____ _--" r DCPA pg/L --- v Acifluorfen Ng/L ---- Pentachlorophenol Ng/L 0.29 to 1.0 - -- - -~ -- - 2,4,5-T N9/L --- ?- - __ ---- -- 2,4,5-TP (Silvex) Vg/L