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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 Geology Permit #M-2004-078 <br /> limits by CRMW04 <br /> Parameters Units CDPHE'~~ Baseline Levels Dec-06 Apr-07 Jul-07 Oct-07 <br />~, Arsenic -Dissolved mgiL 0.01 o to -~-- o.ozs ---- o ooze <br />Z` 3 Fecal Coliform ~ ~, ABSENT 1.0 ---- 2 ---- Y <br /> i <br />A <br />E c ~ <br />Fluoride <br />mgrL <br />4 <br />1.64 <br />1 02 <br />1.18 <br />1,44 <br />1.18 <br /> <br />a c <br />. Mercury -Dissolved mgrL o.ooz o ooo: ---- o.oooz7 ---- u <br />` <br />~ Nitrate-N myrL 10 29.9 12.89 4,61 3.86 712 <br />`m Chloride mgrL 250 158 113.03 88.18 50.3 86.51 <br /> <br />3 Iron - DlSSOIVed mg/L 0.3 0.63 0.013 0.042 0.006 0.224 <br />p c ~ pH units 6.5 - 8.5 ---- 7.1 7.21 7.63 7.08 <br /> <br />y c Sulfate mgit 250 240 214.21 143.4 95.27 13114 <br /> <br />~ Total Dissolved Solids mg/L 500 1075 792 612 540 553 <br /> Bicarbonate mgll. ---- 384 277-2 186.8 177.2 211.3 <br /> <br />~ Calcium -Dissolved mn.l. -- 1gg 107.1 74.3 51 ---- <br />d Carbonate mgiL. --- 0 U U U U <br />A Magnesium -Dissolved mg/L - 68 30 16.7 11.5 13.5 <br /> <br />a Sodium -Dissolved mglL --- 150 111.4 81.7 69.5 85.5 <br />~ Total Suspended Solids mg/L. --- 12515 2750 5393 9040 6094 <br />O <br />Total Phosphate <br />mgiL <br />----- <br />5.10 <br />---- <br />0.87 <br />---- <br />4.69 <br /> <br />Q <br />Turbidity <br />NTU -____ ___ 82 2920 6280 4757 <br /> Total Extractable Hydrocarbons mgiL r__ 0 --- u •--- U <br /> 2,4-D NglL ----- ---- ---- lJ ---- U <br /> 2,4-DB Ng~L --- ---- ---- u --- U <br /> Dalapon ~g/L 200 ---- ---- u --- u <br /> Dicamba Ng/L -- ---- ---- u ---- u <br />~ Dichlorprop ugiL 0.52 to 5 ---- ---- U ---- U <br />~ Dinoseb Ng/L 7 ---- --- u --- u <br /> MCPA Ng,`L -- ---- ---- u ---- ---- <br />d MCPP NgIL --- ~--- ---- u ---- ---- <br />= <br />- 3,5-Dichlorobenzoic Acid ug;L --- ---- ---- ---- ---- u <br />v <br />;: Chloramben NgIL ---- ---- ---- ---- ---- u <br />c Bentazon NgIL --- ---- --- ---- ---- u <br />`o Picloram Ng/L --- ---- ---- ---- ---- u <br />r DCPA Ng!L ---- ---- ---- ---- ---- u <br />U <br /> Acifluarfen Ng?L --- ---- --- ---- ---- Ll <br /> Pentachlorophenol Ng/L o.29 co 1.0 ---- --- --- ---- u <br /> 2,4,5-T Ng/L -- ---- ---- U --•- u <br /> 2,4,5-TP (Silvex) Ng/L ----- ---- ---- U ---- U <br />1r~ <br />u <br />