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Lupton Lakes Gravel Mine - Ft. Lupton Colorado <br />2007 Water Quality Monitoring <br />Groundwater quality monitoring as required by the Division of Minerals and Geology Permit #M-2004-078 <br />• <br /> limits by CRMW06 <br /> Parameters Units CDPHE'~2 Baseline levels Dec-06 Apr-07 Jul-07 Oct-07 <br /> Arsenic -Dissolved mgrl 0.01 0.03 ---- o oo7s ---- 0 0021 <br />d <br />Z` <br />Fecal Coliform <br />Din <br />, <br />ABSENT <br />1.7 <br />---- 2 <br />---- <br />13 <br />~ ,,, <br />~ C <br />. FIUOfIde mg'I 4 1.4 --- 1.29 1.17 1.41 <br />` <br />a c <br />. <br />Mercury -Dissolved <br />my.l <br />0.002 <br />0.0002 <br />-- 0.000052 <br />---- <br />u <br />~ <br />o <br />Nitrate-N <br />mgiL <br />10 <br />29.9 <br />--- 14.98 <br />17.61 <br />16.26 <br />`m Chloride mgr'L 250 158 ---- 97.43 96.17 111.68 <br />.+ <br />3 Iron -Dissolved mg. t. 0 3 0 6s •--- o.ose 0.01 o.a7 <br />C ~ ~ <br />p c <br />pH <br />un~t~ <br />6.5 - 8.5 <br />---- --- 7.1 7.55 7.43 <br />~ ~ Sulfate my:l. 250 238 -- 198.74 189.74 184.76 <br />~ Total Dissolved Solids mg~L 500 1075 - 736 637 769 <br /> Bicarbonate mg!L ----- 384 --- 162.6 225 2417 <br />~ Calcium -Dissolved mgrL ----- 139 --- 84.6 86.9 86.8 <br />m <br />E <br />Carbonate <br />mg/L <br />----- <br />0 <br />-- U <br />U <br />U <br /> <br /> Magnesium -Dissolved mg~L ---- 44 --- 19.2 21.7 1a a <br /> <br />a Sodium -Dissolved mglL -- 150 ---- 118.4 110 113.3 <br />~ Total Suspended Solids mgiL ----- 8015 --- 900 7080 4375 <br />O <br />Total Phosphate <br />mg. L <br />----- <br />4.10 <br />--- 0.48 <br />---- <br />3.04 <br />~ <br /> <br />~° <br />Q <br />Turbidity <br />NTU <br /> <br />--- <br />- <br />--- ---- 524 4040 2510 <br /> Total Extractable Hydrocarbons mgl~ __~_ 0 --° U --- U <br /> 2.4-D u9.'L ----- ---- ---- U ---- u <br /> 2,4-DB Ng~L ---- -- u ---- U <br /> Dalapon Ng/I_ 200 --- -- u - u <br /> Dicamba Ng!L -- ---- -- U ---- U <br /> Dichlorprop Ng/l 0-52 to 5 ---- --- U ---- U <br />~ Dinoseb uglL 7 ---- --- u ---- u <br /> MCPA u9~~ -- ---- ---- u ---- ---- <br />m MC P ugrt - <br />---- <br />--- u <br />---- <br />---- <br />= 3,5-Dichlorobenzoic Acid Ng/L - ____ __ ____ ___ u <br />m <br />., Chloramben Ng/I_ <br />-- <br />---- ---- --- ---- u <br />c Bentazon ugrL --- ---- --- - ---- u <br />p Picloram ug/L - ---- -- ---- ---- U <br />v DCPA Ng~L --- -- --- --- ---- u <br /> <br /> Acifluorfen Ng/L ---- ---- --- --- ---- U <br /> Pentachlorophenol NgiL 0.29 to 1.o ---- -- ---- ---- u <br /> 2,4,5-T NglL ---- ---- ---- U ---- U <br /> 2,4,5-TP (Silvex) ug/L ----- ---- ---- U ---- u <br />• <br />