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Lupton Lakes Gravel Mine - Ft. Lupton Colorado <br />2007 Water Quality Monitoring <br /> <br />• <br />Groundwater quality monitoring as required by the Division of Minerals and Geoloav Permit #M-~nn4_n7R <br /> limits by CRMW02 <br /> Parameters Units CDPHE''2 Baseline Levels Dec-06 Apr-07 Jul-07 Oct-07 <br /> Arsenic -Dissolved mg,t p D1 <br />---- ____ _.__ ___- ____ <br />m <br />Z' ~ <br />3 Fecal Coliform men / <br />100 ml ABSENT 1.3 ---- U __-- ___ <br />~ <br />E c <br />. Fluoride mg'L 4 1.4 0.93 0.96 0.84 1.00 <br />` <br />°' c <br />Mercury -Dissolved <br />mgit- <br />0.002 <br />o Nitrate-N mgrL 10 35.9 38.75 43.08 35.07 23.2, <br /> <br />~ ~ <br />Chloride <br />mg/L <br />250 <br />160 _~ <br />153.96 147.33 148.14 139.6: <br />~ ?~ Iron -Dissolved mg/L 0 3 0.64 0.012 0.052 0.204 0.041 <br />c ~ ~ <br />~ c <br />pH <br />units <br />6 5 - 8.5 <br />---- 7.3 6.97 <br />--° -- <br /> <br />N = Sulfate mgrL 250 253 248.46 257.25 254.85 232.T <br /> <br />~ Total Dissolved Solids mg!L 500 1157 1114 1250 1121 98 ~ <br /> Bicarbonate mg/L ---- 384 258.1 252.4 264 298 2 <br />~ Calcium -Dissolved mg;l ---- 139 132.1 147 136.9 -- <br /> <br /> Carbonate mg,'L ----- 0 U U U U <br /> <br />~ Magnesium -Dissolved mg/L -- 44 30.3 33.5 33.5 28 6 <br />a Sodium -Dissolved mg/L ---- 170 165.3 169.9 153 139 ~: <br />c Total Suspended Solids mg!L ----- 8015 1133 1337 861 1499 <br /> <br /> Total Phosphate mgiL <br />-' <br />-_ ---- ---- - ---- <br /> <br />Q Turbidity NTU - ____ 141.1 488 720 562 <br /> Total Extractable Hydrocarbons m /L <br />g _- <br />--- 0 '--- --- --- --- <br /> 2,4-D ug/L ----- <br /> 2,4-DB ugrL __ <br /> Dalapon ugn 200 ---- ---- --_ __._ ___- <br /> Dicamba NgrL --.. ____ <br />m Dichlorprop NgrL o.52 to 5 ---- ---- ---- --- ---- <br /> <br />~ Dinoseb ugn 7 --- -- -~ _._ ____ <br />a MCPA u9rL -- --- -- -- _- --- <br /> MCPP Ng/L ---- <br /> 3,5-Dichlorobenzoic Acid NgrL .--. ___- _._ _ ___ ____ <br />~ <br />°' Chloramben Ng;L ---- <br />---- ____ _._ ___ ____ <br />c Bentazon UgrL --. ___ ____ ___. ___ __ <br />o Picloram ugrL ._ _-__ ___ __ ___ __ <br />v DCPA NgrL .-. ____ <br /> Acifluorfen NgrL .__ ___- ___ ____ __ _... <br /> Pentachlorophenol NgrL o 2s to 1.0 ---- --_. .__ ___ ___ <br /> 2,4,5-T ugrL -- <br />- -- <br /> 2,4,5-TP (Silvex) t~~it. ----- ---- __-- _--- _-- •--- <br />• <br />