Perma-Fix Announces Completion of Rail Line Connecting DOE Hanford Site and Perma-Fix Northwest Richland Facility

New Line Expected to Improve Speed and Safety of Transporting Waste

ATLANTA, April 21, 2011 (GLOBE NEWSWIRE) -- Perma-Fix Environmental Services, Inc. (Nasdaq:PESI) today announced it has completed the new rail line connecting the Department of Energy's (DOE) Hanford Site and the Perma-Fix Northwest Richland (PFNW) facility in Richland, Washington.

Dr. Louis F. Centofanti, Chairman and Chief Executive Officer, stated, "We expect the new rail line will help reduce the amount of waste on public roads and provide for a much faster and safer means of transporting waste directly to our facility. Completion of the rail line is another important step in a long-term upgrade of PFNW, which will enable us to handle larger volumes of high activity waste."

About Perma-Fix Environmental Services

Perma-Fix Environmental Services, Inc., a national environmental services company, provides unique mixed waste and industrial waste management services. The Company's increased focus on nuclear services includes radioactive and mixed waste treatment services for hospitals, research labs and institutions, federal agencies, including the Department of Energy ("DOE"), the Department of Defense ("DOD"), and nuclear utilities. The Company's industrial services treat hazardous and non-hazardous waste for a variety of customers including Fortune 500 companies, federal, state and local agencies and thousands of other clients. Nationwide, the Company operates seven waste treatment facilities.

The Perma-Fix Environmental Services, Inc. logo is available at https://www.globenewswire.com/newsroom/prs/?pkgid=7172.

This press release contains "forward‑looking statements" which are based largely on the Company's expectations and are subject to various business risks and uncertainties, certain of which are beyond the Company's control. Forward-looking statements generally are identifiable by use of the words such as "believe," "expects," "intends," "anticipate," "plans to," "estimates," "projects," and similar expressions. Forward‑looking statements include, but are not limited to: the new rail line will help reduce the amount of waste on public roads and provide for safer means of transportation, and the new rail line will enable us to handle larger volumes of waste. These forward‑looking statements are intended to qualify for the safe harbors from liability established by the Private Securities Litigation Reform Act of 1995. While the Company believes the expectations reflected in this news release are reasonable, it can give no assurance such expectations will prove to be correct. There are a variety of factors which could cause future outcomes to differ materially from those described in this release, including, without limitation, future economic conditions; industry conditions; our ability to apply and market our technologies; the government or such other party to a contract granted to us fails to abide by or comply with the contract or to deliver waste as anticipated under the contract; that Congress provides continuing funding for the DOD's and DOE's remediation projects; and the additional factors referred to under "Special Note Regarding Forward-Looking Statements" of our 2010 Form 10-K. The Company makes no commitment to disclose any revisions to forward‑looking statements, or any facts, events or circumstances after the date hereof that bear upon forward‑looking statements.

Please visit us on the World Wide Web at http://www.perma-fix.com.

CONTACT: David K. Waldman
         U.S. Investor Relations
         Crescendo Communications, LLC
         (212) 671-1021

         Herbert Strauss
         European Investor Relations
         herbert@eu-ir.com
         +43 316 296 316

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Source: Perma-Fix Environmental Services, Inc.