Perma-Fix Announces Breakthrough Process for On-site Destruction of VX Nerve Agent By-Product

 Environmentally Safe Process Operates at Ambient Temperatures and Pressures,
  Eliminates Need for Water Discharge and Eliminates Transportation Concerns

ATLANTA, April 28 /PRNewswire-FirstCall/ -- Perma-Fix Environmental
Services, Inc. (Nasdaq: PESI) (BSE: PESI) (Germany: PES.BE) announces that it
has completed work on modifying its VX hydrolysate destruction process for
mobile on-site use.  The proprietary process combines chemical destruction and
biological treatments.  This new breakthrough process operates at ambient
temperatures, results in zero liquid release to the local community and
eliminates all transportation concerns due to its proposed on-site processing.
We believe that the new design features will achieve, for our customers,
reduced capital and operating cost, shorter permitting times and an
environmentally superior system, as compared to current alternatives.

VX nerve agent is an organic-phosphorus compound formerly produced by the
United States and other countries as a chemical weapon.  Conventional
alternatives for the destruction of VX by-product include dilution,
incineration and super-critical water oxidation.

Dr. Louis F. Centofanti, Chairman and CEO, states, "We believe that our
new technology will be far safer and much more environmentally friendly than
conventional alternatives; and unlike other methods, it operates at room
temperature and there is no liquid discharge into the community.  By adapting
our proven technology to on-site use, we have also eliminated any concerns
surrounding the transportation of agents and their by-products.  The process
versatility allows it to be adapted to other chemical weapons as well."

"It is estimated that there are more than 70,000 tons of nerve agents
globally, the majority of which are in the U.S. and Russia, and only 10,500
have been treated to date.  Those weapons stored within the U.S. pose a
tremendous risk to our national security.  In addition, most chemical weapons
producing countries, including the United States, have signed an international
treaty requiring the destruction of these weapons and their by-products by
April 2007, with no extensions allowed past April 2012.  We believe this
technology can play a critical role in the United States, Russia and the other
165 countries around the world that are a party to the Chemical Weapons
Convention," concluded Dr. Centofanti.

VX hydrolysate is produced by the neutralization of VX nerve agent with
sodium hydroxide.  The product is a complex mixture of various phosphonates,
amines and sulfur compounds.  The breakthrough process utilizes chemical
oxidation of the components and then converts phosphorus-bearing materials
into mineralized metal salts.  The biological step converts organic components
into carbon dioxide and water.  The treated water is then recycled back into
the process.  The process operates at ambient temperature and pressure and
destroys any remaining VX and VX by-product compounds. The only remaining
product is a non-toxic, non-hazardous solid that can be safely disposed of
with no related health risks or risks to the environment.

The process has been demonstrated by Perma-Fix on actual VX by-product.
The process has also been demonstrated to meet chemical weapons treatment
standards, as currently in place.  Patents on the process were applied for in
early 2004 and additional applications are being submitted to further solidify
the Company's intellectual property protection.

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 include, but are not limited to, information
concerning the statement that our technology is far safer, much more
environmentally friendly, is adaptable to other chemical weapons, reduces our
customer's capital and operating costs, and shortens permitting times and can
play a critical role to countries that are a party to the Chemical Weapons
Convention.   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,
regulatory restrictions, the ability of the Company to apply and market such a
technology, changes to the agreements under the Chemical Weapons Convention,
ability to obtain a patent on this new process or new technological changes
that occur after the date hereof.  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.