2008-01-15_HYDROLOGY - M2004078 - Laserfiche WebLink

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Lupton Lakes Gravel Mine - Ft. Lupton Colorado 2007 Water Quality Monitoring Groundwater quality r7~onitoring as required by fhe Division of Minerals and Geolo Permit #M-2004-G7s 9Y limits by CRMW04 Parameters Units CDPHE'~Z Baseline Levels Dec-06 Apr-O7 Jul-07 Oct-07 Methyl-t-butyl ether Ng;~ ----- ---- ---- u ---- u °' ~. Benzene ,~ Ng` s ---- ---- u ---- u R ~ Toluene ugr~ t,ooo ---- ---- u ---- u Ethylbenzene i~grr 700 ---- --- u ---- u c O m,p-Xylene Ngn- ,aoo to to,o a o-Xylene r,g~~ ,aoo to ~o,oo --- ---- ---- ---- ---- Xylene (Total) Ngi~ ,aoo to to,oo ---- ---- u ---- u Aldrin Ng;L ---- ---- ---- u ---- u a-BHC Ng/l _._ ---- --- u ---- u b-BHC Ngll. --- ---- - U --- U d-BHC ugi~ ---- --- ---- u -- u g-BHC Ngi~ ----- --- ---- u - u Chlordane (Technical) Ngr~ -•- ---- ---- u ---- -- in a-Chlordane N9n_ o.to to 2 ---- - -- ---- u ~ g-Chlordane Ngrt 0.15 ---- ---- ---- ---- U ' 4,4 -DDD ugi~ o.t ---- --- u --- u U 4,4'-DDE Ngi~ o.t ---- --- u ---- u ~ 4,4'-DDT ,~gn 0.002 ---- --- u ---- u c Dieldrin r~gil. a2 ---- ---- U -- U c Endosulfan I Nglr a2 ---- -- u --- u Endosulfan If ug~r a2 ---- ---- u ---- u p Endosulfan sulfate r,gn_ 2 ---- ---- u ---- u Endrin ug/L z.t ---- ---- u ---- u Endrin aldehyde ugn_ o.oas to 0.a ---- ---- u ---- u Endrin ketone r,g;~ o.ooa to 0.2 ---- -- ---- -- u Heptachlor ugr~ 35 to 40 ---- ---- U --- U Heptachlor epoxide l,g,l 0.032 to 3 ---- ---- U ---- U MethOX}/ChlOr ug?I 35 to 40 ---- --- U ---- U Toxaphene ~grL 0.032 to 3 ---- ---- u ---- u Secondary Drinking Water Standards -Suggested Limits by CDPHE. The secondary maximum contaminant levels are not enforceable, but are intended as guidelines. ' Colorado Department of Public Health and Environment (CDPHE) maximum contaminant level (MC for Drinking Water z Colorado Department of Public Health and Environment (CDPHE) standards for groundwater `Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested limits •