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• ~II ~I~~II~I~~~~~~I~ <br />sss <br />September 20, 1988 <br />Deer Trail, Colorado <br />Colorado Department of Matural Resources <br />Mined Land Reclamation Board <br />Room 215 <br />Denver, Colorado 80203 <br />Attn:Dan Hernandez <br />Dear Mr. Hernandez, <br /> <br />'_~~}!7~~ it t• i:~~._!J <br />F P 3 0 1988 <br />tvlltv~n LAtvu <br />tiitCLAMAI lOr! L?lViS~C~iV <br />This letter concerns an application for a Mining and Reclamation <br />permit in Arapahoe County, located at or near Sec. 29; Township 5 S; <br />Range 60 W; 6th P.M. This application has been filed, and a permit may be <br />allowed by the Colo. Mined Land Reclamation Board under the Colo. Mined <br />Land Reclamation Act for a gravel mining operation. <br />This location was formerly a solid waste landfill which was closed <br />for violations. In this landfill, large amounts of oil brine wastes were <br />dumped, several loads of uranium mine sludge, and other wastes which were <br />not properly manifested because of unsupervised and illegal dumping. In <br />view of this history of the site, it is a possibility that future mined <br />gravel could be contaminated. <br />Hefore the Mined Land Reclamation Hoard allows a permit for this <br />gravel operation, there is concern that a precautionary evaluation is <br />needed: <br />1. The Colo. Dept. of Health needs to take samples of the soils in <br />the existing gravel mine, and samples in the area of the adjacent <br />newly proposed mine for the purpose of analyzing the soils for <br />contaminants. <br />2. A qualified engineer and soil conservation expert need to determine <br />if the excavating, which would be necessary £or a gravel mining <br />operation, would release any existing contaminants allowing them to <br />wash dot,m the hillside during heavy rainstorms or snow run-off <br />causing a threat to wild life and the lower elevated lands in the <br />East Bijou basin located directly below the site. <br />3. The Colo. Health Dept. needs to take samples from the existing <br />monitoring wells on the site, which were designed for the solid waste <br />landfill, and analyze them for an updated report. <br />If you should allow a permit, it seems that it would be necessary to <br />periodically check soil samples for contamination,since continuous excavating, <br />causing great surface change, is required for such a mining operation. <br />Sincerely) <br />-~zg„~fl~l7 <br />t./Js, ~ n <br />