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HASSAYAMPA SUPERFUND CLEANUP PLAN AVAILABLE FOR PUBLIC COMMENT

HASSAYAMPA SUPERFUND CLEANUP PLAN AVAILABLE FOR PUBLIC COMMENT
 SAN FRANCISCO, June 2 /PRNewswire/ -- The U.S. Environmental Protection Agency (U.S. EPA) today announced a proposed plan for cleaning up soil and groundwater contamination at the Hassayampa Landfill Superfund site, Maricopa County, Ariz.
 The public is invited to attend a community meeting and provide comments on the proposed plan and other alternatives. The meeting will be held at 7:30 p.m., June 11, at the Buckeye Community Center, 201 East Centre, Buckeye, Ariz.
 "After a careful and thorough investigation of the environmental problems at this site and various cleanup options, U.S. EPA has proposed a plan to clean up the Hassayampa Landfill Superfund site," said Jeff Zelikson, director for U.S. EPA's hazardous waste management division. "U.S. EPA will make a final decision after hearing from the public. This comment period allows the community an opportunity to actively participate in the decision-making process."
 The proposed plan for cleaning up the contaminated groundwater calls for installing extraction wells, pumping out the groundwater, and treating it in an air stripping process. The treated water would be reinjected into groundwater in the vicinity of the site, and groundwater would be monitored to measure the effectiveness of the remedy.
 U.S. EPA's plan also involves removing contaminated gas present in the soil by a soil vapor extraction process. The contaminated gas would be treated on site using carbon adsorption or another suitable technology. A protective cover or landfill cap will be placed over the hazardous waste portion of the landfill to prevent further contamination of the groundwater. Access and deed restrictions would also be placed on the site. The estimated cost of U.S. EPA's proposed plan is $6.1 million.
 The public may also comment on the proposed cleanup plan by submitting written comments, postmarked by June 30, to:
 Tom Dunkelman
 U.S. EPA, Region 9
 Hazardous Waste Management Division
 75 Hawthorne St.
 San Francisco, CA 94105
 The 47-acre Hassayampa Landfill Superfund site is in a rural desert area about 40 miles west of Phoenix. Since 1961, Maricopa County has operated Hassayampa as a municipal landfill. During an 18-month period between April 1979 and October 1980, hazardous wastes were disposed of in a 10-acre area in the northeast section of the landfill under a program operated by the Arizona Department of Health Services (ADHS). During this time, about 3.3 million gallons of liquid hazardous waste and 4,000 tons of solid hazardous waste were disposed of at the landfill.
 Hassayampa Landfill was placed on U.S. EPA's National Priority List (NPL) in 1987. The NPL is the U.S. EPA's list of hazardous waste sites potentially posing the greatest long-term threat to public health and the environment. U.S. EPA identifies and ranks NPL sites according to threats to nearby populations through actual or potential contamination of groundwater, surface water or air.
 -0- 6/2/92
 /CONTACT: Paula Bruin of the U.S. EPA, 415-744-1587/ CO: U.S. EPA ST: Arizona IN: SU:


MC -- SF003 -- 6247 06/02/92 13:21 EDT
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Publication:PR Newswire
Date:Jun 2, 1992
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