2008-01-15_HYDROLOGY - M2004078 - Laserfiche WebLink

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Lupton Lakes Gravel Mine - Ft. Lupton Colorado 2007 Water Quality Monitoring Groundwater quality monitorin as required by the Division of Minerals and Geology Permit #M-2p04-07~ limits b y South Recharge Site Wide Parameters Units CDPHE'~2 Baseline Levels Dec-06 Apr-07 Jul-07 Oct-07 Methyl-t-butyl ether ug/L ---- ---- ---- °; Benzene ug/L 5 ~r ~ Toluene l~glL i.ooo ---- ____ __ ___ ____ ~ ~ Ethylbenzene Ng/L goo --- ---- --- ---- ---- c o m,p-Xylene Ng/L ,400 to ~o,oo ---- - -- -- ---- Q o-Xylene ug/L ,4000,0,00 ---- ---- --- --- ---- Xylene (Total) NglL ,4ooto ~o,oo ---- -- ---- ---- ---- Aldrin NgIL ---- --- ---- --- ---- a-BHC NglL ---- ---- ---- --- --- b-BHC NglL ---- -- -- ---- ---- d-BHC Ng/L ---- ---- --- --•- ---- g-BHC NglL ---- ---- --- --- ---- Chlordane (Technical) NglL ---- ---- -- ---- f0 a-Chlordane uglL o.~o co z ---- ---- --- __ ___ ~ g-Chlordane ug,L o.t5 ---- --- --- ---- ---- 4,4'-DDD ugn. o.t --- --- --- -- ---- ~ 4,4'-DDT Ng/L o 002 ---- ---- -- --- o Dieldrin NglL az ---- -- ---- --- ---- o Endosulfan I NglL az -- ___ __ ~ ____ Endosulfan II NglL 42 ~° --- ---- --- •--- p` Endosulfan sulfate ugrL 2 ---- --- --- ---- ---- Endrin NglL 2.t ---- ---- --- --- ---- Endrin aldehyde ugrL o oos to 0.4 ---- --- ---- ---- ---- Endrin ketone uglL o.ooa to 0.2 ---- --- __-- ___ ____ Heptachlor Ng1l 35 to 40 -~- ---- -- --- ---- Heptachlor epoxide NglL 0 032 to 3 -- - --.. __-- ____ Methoxychlor ug/L 35 to 40 ---- --- -- ---- ---- Toxaphene Ng/L 0 l)32 to 3 --- 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 (MCL) for Drinking Water 2 Colorado Department of Public Health and Environment (CDPHE) standards for groundwater "Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested limits • •