2008-12-17_HYDROLOGY - M2004078 (6)

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Lupton Lakes Gravel Mine - Ft. Lupton Colorado 2008 Water Quality Monitoring PSrno tnrhAicoler no inlihi mnnifnrinn ac ramArprl by thR niVlSinn of Minerals and Geolnov Permit #M-2004-078 CRMWO5 limits by 2007 Proposed Parameters Units CDPH15"2 Baseline Levels Jan-OS Apr-08 Jul-08 Oct-08 Methyl-t-butyl ether Ng/L ---- _"' --- m N Benzene Ng/L 5 ---- Toluene pg/L 1,000 --- -" "" - " "- Ethylbenzene ug/L 700 ---- -" ?- -- -"' O m,p-Xylene Ng/L ,400 to 10. ---- " -'- ?? - o-Xylene pg/L 400 to 10, ---- _"- Xylene (Total) pg/L ,400 to 10, ---- --- -- "" Aldrin Vg/L ----- -'-" . ". __- "-" - a-BHC Pg/L --- b-BHC pg/L ---- ---- ---- - - --- d-BHC pg/L g-BHC pg/L -? --- -- -- ---- - - Chlordane (Technical) pg/L -- --- "-- -'" '-" H a-Chlordane Ng/L 0.10 to 2 ---- '"" "- -'" -` e g-Chlordane pg/L 0.15 CL 4,4'-DDD pg/L 0.1 E 4,4'-DDE Ng/L 0.1 ---- 4,4'-DDT Ng/L 0.002 . o Dieldrin pg/L 42 --- '" _--- ^- --- O Endosulfan I Ng/L 42 ---- -'-- -` """- -""" 5 Endosulfan 11 pg/L 42 --- -'- -"- - - "-- p Endosulfan sulfate pg/L 2 Endrin pg/L 2.1 --- -- - - "-- _ Endrin aldehyde pg/L 0.008 to 0.4 ---- Endrin ketone Ng/L 0.004 to 0.2 ---- -- -- - ' Heptachlor lig/L 35 to 40 ---- --- Heptachlor epoxide pg/L 0.032 to 3 -- - - - --- '?' Methoxychlor pg/L 35 to 40 ---_ -- --- '-" " " Toxa hens Ng/L 0.032 to 3 -- - - -- - J_ 5econaary LinnKing vvater Jtanaarus - JuggeuttrU L11 I 11w Uy ?.vrnc. I nc Oc%'WIIUai r contaminant levels are not enforceable, but are intended as guidelines. 1 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 3 Dissolved Metals during the Nov. and Dec. 2005 Sampling Events. "Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested limits