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Lupton Lakes Gravel Mine - Ft. Lupton Colorado <br />2008 Water Quality Monitoring <br />Groundwater aualitv monitorina as required by the Division of Minerals and Geoloov Permit #M-2004-078 <br /> limits b <br />Y <br />2007 Proposed CRMW07 <br /> Parameters Units CDPHE' Baseline Levels Jan-08 Apr-08 Jul-08 Oct-08 <br /> Methyl-t-butyl ether Ng/L -- <br /> <br />.? Benzene <br />Ng/L <br />5 --- --- --- --- <br />---- <br /> Toluene ug/L 1.000 --•- --- --- ---- --- <br /> Ethylbenzene Ng/L 700 ---- --- --- - - --- <br /> <br />0 m,p-Xylene Ng/L ,400 to 10.00 ---- -- ---- ---- --- <br /> o-Xylene Ng/L ,400 to 10, <br />1 <br /> Xylene (Total) Ng/L ,400 to 10,00 ---- -- --- - -- <br /> Aldrin Ng/L -- •-•- --. ---- - -- <br /> a-BHC pg/L <br /> b-BHC Ng/L <br /> d-BHC pg/L <br />-- <br /> g-BHC pg/L <br /> Chlordane (Technical) Ng/L --- - --- -- - -- --- <br />y a-Chlordane pg/L 0.10 to 2 ~-- •-- --- -'-- - - <br />,o <br />g-Chlordane <br />pg/L <br />015 <br />---- -- - •"- - <br />Ck. 4,4'-DDD pg/L 0.1 <br /> <br />v 4,4'-DDE Ng/L 0.1 --- -- -- ---- <br /> <br />e 4,4'-DDT Ng/L 0.002 <br />.o Dieldrin pg/L 42 ---- -- ---- ---- --- <br />o Endosulfan I pg/L 42 <br /> Endosulfan 11 pg/L 42 ---- ---- ••-- -- --- <br /> <br />0 Endosulfan sulfate Ng/L 2 - --- •-- -"'- -"- <br /> Endrin pg/L 2.1 --" •--- --° _-- `- <br /> Endrin aldehyde Ng/L 0.008 to 0.4 ---- <br /> Endrin ketone Ng/L 0.004 to 0.2 ---- --- <br /> Heptachlor pg/L 35 to 40 <br /> Heptachlor epoxide pg/L 0.032 to 3 -_. _-• •__ -_ <br /> Methoxychlor pg/L 35 to 40 --- <br /> Toxaphene Ng/L 0.032 to 3 _- <br />5econaary unnKing water 5tanaaras - 5uggestea Limits Dy c;uri-it. i ne seconaary maximum <br />contaminant levels are not enforceable, but are intended as guidelines. <br />1 Colorado Department of Public Health and Environment (CDPHE) maximum contaminant level (MCI-) <br />for Drinking Water <br />2 Colorado Department of Public Health and Environment (CDPHE) standards for groundwater <br />3 Dissolved Metals during the Nov. and Dec. 2005 Sampling Events. <br />*Laboratory results shown in RED HIGHLIGHT exceed MCL or suggested limits