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NEWMARK SUPERFUND CLEANUP PLAN AVAILABLE FOR PUBLIC COMMENT

 SAN FRANCISCO, March 17 /PRNewswire/ -- The U.S. Environmental Protection Agency (U.S. EPA) today announced a proposed plan for cleaning up a five-mile-long stretch of groundwater contamination at the Newmark Superfund site, San Bernardino. The groundwater is contaminated by perchloroethylene (PCE) and trichloreothylene (TCE), commonly used as industrial solvents.
 The public is invited to attend a community meeting and provide comments on the proposed plan. The meeting will be held at 7 p.m., April 14, at the city of San Bernardino council chambers, 300 N. D St., San Bernardino.
 "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 a portion of the Newmark 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."
 U.S. EPA proposes to extract contaminated groundwater and treat it to remove volatile organic compounds (VOCs) from the underground water supply at two locations north and east of the Shandin Hills. A groundwater treatment system will be installed at the Newmark wellfield near 48th Street and Little Mountain Drive to prevent further contamination. Groundwater treatment will also be conducted at a location near 14th Street between Arrowhead and Waterman Avenues and is designed to stop the spread of contamination to the clean part of the underground water supply or aquifer. VOCs will be removed by either of two proven treatment technologies -- carbon filtration or air stripping.
 After treatment, the water will meet all legal requirements for drinking water and will be piped to the public water supply system for distribution or reinjected into the aquifer.
 The public may also comment on the proposed cleanup plan by submitting written comments, postmarked by April 21, to:
 Kevin Mayer, H-6-4
 Remedial Project Manager
 Hazardous Waste Management Division
 U.S. EPA, Region 9
 75 Hawthorne St.
 San Francisco, CA 94105
 Copies of the proposed plan and related documents are available for public review at the following two locations:
 San Bernardino County Public Library
 104 W. Fourth St.
 San Bernardino, CA 92415
 San Bernardino Valley Municipal Water District Office
 1359 S. E St.
 San Bernardino, CA 92412
 The Newmark Superfund site includes two plumes of contaminated groundwater. The project originally addressed only the plume east of the Shandin Hills. However, further investigation traced the source of the contamination through a previously undiscovered underground channel flowing from the western or Muscoy side of the valley. In September 1992, the Newmark site was officially expanded to include the Muscoy plume which is being investigated in a separate study.
 Testing by the state of California in the 1980s showed unacceptable concentrations of PCE and TCE in a number of wells in north San Bernardino. The city and Cal/EPA built three water treatment facilities to replace contaminated drinking water supplies and a fourth is under construction. San Bernardino's public water supply is tested to meet state and federal standards.
 The Newmark Superfund site was placed on the National Priorities List (NPL) in 1989. The NPL is 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- 3/17/93
 /CONTACT: Paula Bruin of the U.S. EPA, 415-744-1587/


CO: U.S. Environmental Protection Agency ST: California IN: ENV SU:

GT -- SF010 -- 7108 03/17/93 15:01 EST
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Date:Mar 17, 1993
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