2008-12-17_HYDROLOGY - M2004078 (6)

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Lupton Lakes Gravel Mine - Ft. Lupton Colorado 2008 Water Quality Monitoring Groundwater nuality mnnitnrinn ac ram jirari hu tho nivieinn r %f Miner In -4 !!s..1....., 0,.-...:6 uILA nnnA na7n limits by North Recharge 2007 Proposed Parameters Units CDPHe 2 Baseline Levels Jan-08 Apr-08 Jul-08 Oct-08 w Arsenic - Total3 mg/L 0.01 0.03 --- -- -- - 3 Fecal Coliform o m ABSENT 1 -- _--- --- o l E C ' Fluoride mg/L 4 1.4 1.32 1.39 -- -- c Mercury - Total3 mg/L 0.002 0.0002 Nitrate-N mg/L 10 29.9 95.75 15.11 Chloride mg/L 250 158 111.95 112.35 - - --- ?. 3 Iron - Di l d u 0 022 sso ve mg/L 0.3 . -- ---- 0.77 $ C ' pH units 6.5-8.5 ---- 7.76 7.81 --- ---- C Sulfate mg/L 250 237 203.41 201.06 --- - -- Total Dissolved Solids mg/L 500 1075 782 ----- --- -- Bicarbonate mg/L - 384 224.2 207 --- -- Calcium - Tota13 mg/L ---- 139 97.9 92.9 - - Carbonate mg/L -- 0 u U - -- Magnesium - Tota13 mg/L ? N : 44 21.6 20.2 a Sodium - Total3 mg/L ----- 150 125.5 117 ---- --- c Total Suspended Solids mg/L - - 8015 U 169.7 --- --- Total Phosphate mg/L --- 3.70 ---- 6 Q Turbidity NTU - -- 1.79 --- Total Extractable Hydrocarbons mg/L ----- 0 -- 1.52 - ---- 2,4-D Ng/L -- -- --- -- ---- --- 2,4-DB pg/L Dalapon pg/L 200 --- Dicamba pg/L _.__ a Dichlorprop Pg/L 0.52 to 5 :a Dinoseb Ng/L 7 ____ --- MCPA pg/L -.-- _- MCPP NgIL 10 3,5-Dichlorobenzoic Aci pg/L :: Chloramben pg/L -- --- - w ___ ___ C Bentazon Pg/L o Picloram Ng/L v DCPA yg/L _-- Acifluorfen l,g/L - Pentachlorophenol yg/L 0.29 to 1.0 -- - ---- _? ___ 2,4,5-T Ng/L __.__ 2,4,5-TP Silvex) Pg/L -- -- - - ---