Enforcement Support at an NPL Landfill in Colorado

by Benjamin R. Genes, Ecology & Environment Inc, Denver, CO, USA,
Michael L. Glaze, Ecology & Environment Inc, Denver, CO, USA,

Document Type: Proceeding Paper

Part of: Environmental Engineering


Since 1964, the City and County of Denver has owned the Lowry Landfill site, located approximately 15 miles (24 km) southeast of Denver. During the period of July 1967 through 1980, the City of Denver utilized approximately 250 acres (4,047 m**2) of the southernmost area of the site for co-disposal of municipal refuse and solid and liquid industrial wastes. Chemical wastes include 1,1,1-trichloroethane, 1,2-dichloroethane, benzene, toluene, trichloroethylene, tetrachloroethylene, chloroform, various heavy metals, and low-level radioactive wastes. Analytical data showed that a plume of contaminants was migrating northward in the shallow alluvial aquifer. Contamination of the uppermost bedrock aquifer underlying the landfill site has also been positively identified along the western and southern boundaries. Remedial measures and current monitoring efforts are discussed.

Subject Headings: Landfills | Radioactive wastes | Hazardous wastes | Chemical wastes | Water pollution | Municipal wastes | Waste disposal | Groundwater quality | Denver | Colorado | United States

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