Exhibit 99.1

                PERMA-FIX SERIES 17 PREFERRED STOCK IS CONVERTED

ATLANTA, Oct. 5 /PRNewswire-FirstCall/ -- Perma-Fix Environmental Services, Inc.
(Nasdaq: PESI; BSE: PESI) (Germany: PES.BE) today announced that Capital Bank
GRAWE Gruppe, AG, converted the 2,500 shares of the Company's Series 17 Class Q
Convertible Preferred Stock, effective September 26, 2005. Pursuant to the terms
of the Series 17 Preferred Stock, the conversion resulted in the issuance of
1,666,667 shares of the Company's common stock to Capital Bank as agent for its
investors. The final dividend due on the Series 17 Preferred of approximately
$30,000 for the period from July 1, 2005, through the conversion date will be
paid in October 2005.

No shares of Series 17 Preferred Stock remain outstanding. Following the
conversion, Capital Bank holds as agent for its investors, 6,425,375 shares of
the Company's common stock, representing approximately 14.4% of the Company's
issued and outstanding common stock as of September 30, 2005, and warrants to
purchase up to an additional 2,659,807 shares of common stock.

Dr. Louis F. Centofanti, Chairman and Chief Executive Officer, stated, "We are
very pleased with the conversion of our Series 17 Preferred Stock, and Capital
Bank's continued support of the Company. This conversion simplifies the
Company's capital structure. In addition, with this conversion, the Company will
no longer incur the annualized dividend expense of $125,000, on this Series 17
Preferred Stock."

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.

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

SOURCE Perma-Fix Environmental Services, Inc.
    -0-                             10/05/2005
    /CONTACT: Dr. Louis F. Centofanti, Chairman and CEO, Perma-Fix Environmental
Services, Inc., +1-404-847-9990; or Valerie Kimball,
vkimball@epochfinancial.com, or J. Todd Atenhan, 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)