Exhibit 99.1

    PERMA-FIX ELECTS LARRY MCNAMARA TO NEW POST OF CHIEF OPERATING OFFICER

    ATLANTA, Oct. 31 /PRNewswire-FirstCall/ -- Perma-Fix Environmental
Services, Inc. (Nasdaq: PESI; BSE: PESI) (Germany: PES.BE) today announced
that its Board of Directors has elected Larry McNamara to be the Company's
Chief Operating Officer.  In this newly created position, Mr. McNamara, age
56, will have overall responsibility for the operations of the Company's
Nuclear and Industrial Segments.

    A 27-year veteran in the civilian and military nuclear waste disposal
industry, Mr. McNamara began his career with Perma-Fix as Project Manager in
1999. He was promoted to President of the Company's Nuclear Waste Services
Segment when it was formed in October 2000. Most recently he was given the
additional duties of interim head of the Industrial Segment. From 1993 until
1999, Mr. McNamara held senior positions with various companies in the civilian
nuclear waste disposal industry, and prior to that, with the Department of
Defense where he served as Chief of the DOD LLRW (Low Level Radioactive Waste)
Office from 1993 to 1995. Before that, he served as Senior Planner in charge of
nuclear waste disposal for the U.S. Department of Defense from 1987 until 1993.

    Mr. McNamara holds a B.S. degree in Industrial Engineering from the
University of Iowa, and has had extensive training in the management of
radioactive and other hazard wastes.  Throughout his career, Mr. McNamara has
served on various National Committees and advisory groups related to disposal
of low level radioactive wastes.

    Perma-Fix Chairman and Chief Executive Officer Dr. Louis F. Centofanti
commented, "We are very fortunate to have a person of Larry's knowledge and
experience in this newly created position at Perma-Fix. His past excellent
performance as a team builder in our Nuclear Segment made him the obvious
choice. As Chief Operating Officer, he will place a strong emphasis on
operational coordination between the Nuclear and Industrial Segments, and keep
them sharply focused on operational excellence, profitability and our unique
waste technologies," Dr. Centofanti said.

    Perma-Fix Environmental Services, Inc. is a national environmental services
company, providing unique mixed waste and industrial waste management services.
The Nuclear Segment provides radioactive and mixed waste treatment services to
hospitals, research laboratories and institutions, numerous federal agencies
including the Departments of Energy and Defense and nuclear utilities. The
Industrial Segment provides hazardous and non-hazardous waste treatment services
for a diverse group of customers including Fortune 500 companies, numerous
federal, state and local agencies and thousands of smaller clients. The Company
operates eleven major waste treatment facilities across the country.

    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, the information
concerning Mr. McNamara's emphasis on operational coordination between the
Nuclear and Industrial Segments and to keep them sharply focused on operational
excellence, profitability and our unique waste technologies. This
forward-looking statement is 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, competitive pressures, our
ability to effectively coordinate operational activities between the segments
and to successfully focus on operational excellence and profitability. 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 .

SOURCE  Perma-Fix Environmental Services, Inc.
    -0-                             10/31/2005
    /CONTACT:  Dr. Louis F. Centofanti, Chairman and CEO, Perma-Fix
Environmental Services, Inc., +1-404-847-9990; or James Kautz,
jkautz@epochfinancial.com, or J. Todd Atenhan, both of EPOCH Financial Group,
Inc., +1-888-917-5109; or Herbert Strauss, European investor relations,
+011-43-316-296-316, or herbert@eu-ir.com, all for Perma-Fix/
    /Web site:  http://www.perma-fix.com /
    (PESI)