2008-01-15_HYDROLOGY - M2004078 - Laserfiche WebLink

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Lupton Lakes Gravel Mine - Ft. Lupton Colorado 2007 Water Quality Monitoring Groundwater quality monitoring as required by the Division of Minerals and Geoloav Permit #M-2004-0 i ~ limits by CRMW01 Parameters Units CDPHE'~2 Baseline Levels Dec-06 Apr-07 Jul-07 Oct-07 Methyl-t-butyl ether 4~q;L ----- ---- ---- u ---- ~~ m p Benzene n N9 5 ---- ---- u ---- u ~ Toluene Ng/L t,oo0 ---- ---- u ---- u Ethylbenzene Ng/L goo ---- --- u ---- u P O m,p-Xylene ug/L ,aoo to ~o,o ---- ---- --- --- ---- a o-Xylene Ng/L .aooio,o.oo ---- ---- --- ---- •--- Xylene (Total) Ng,L ,aooto,o,oo ---- ---- u ---- u Aldrin uglL ----- --- --- U ---- U a-BHC ug~L ---_ ---- --- u ---- u b-BHC Ng/t- ----- ---- -- u ---- u d-BHC Ngn ----- ---- --- u ---- u g-BHC ~g/L ~_. ---- --- U ---- U Chlordane (Technical) Ng/L -- --- ---- u ---- -- fe a-Chlordane Ng/L 0.10 to 2 ---- -- °- ---- U g-Chlordane Ng/L o.t5 -- - -~ --- L! ~ 4,4'-DDD ugn o.t ---- ---- u ---- t. ~ 4,4'-DDE ug,L o. t ---- ---- u ---- ~ ~ 4,4'-DDT NgIL o.ooz ---- --- u ---- ~' o Dieldrin Ngrl. 42 ~~ ---- U --- ~-' c Endosulfan I Ng/l. az -~- --- u --- u Endosulfan II ugrL 42 ---- ---- u ---- ~ p Endosulfan sulfate ug/L 2 --- --- u _- i, Endrin Ng/L 2.t ---- -- u ---- u Endrin aldehyde Ng/L o.oos to 0.4 --- ---- u ---- u Endrin ketone Ng/L 0.004 to 0.2 ---- --- ---- ---- U Heptachlor Ng/L 35 to 40 ---- ---- U ---- U Heptachlor epoxide Ng/L 0.032 to 3 ---- ---- U ---- U Methoxychlor ug/L 35 to d0 ---- ---- U --- U Toxaphene Ng/L 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 (N for Drinking Water s Colorado Department of Public Health and Environment (CDPHE) standards for groundwater 'Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested limits •