Perma-Fix to Report Second Quarter Results on Aug. 5

Date: July 29, 2010

Source: Perma-Fix Environmental Services, Inc.

Perma-Fix Schedules Second Quarter 2010 Earnings Conference Call

Perma-Fix Environmental Services, Inc. (Nasdaq:PESI) today announced that it will host a conference call at 9:00 AM ET on Thursday, August 5, 2010. The call will be available on the Company's website at www.perma-fix.com, or by calling (877) 407-8031 for U.S. callers, or (201) 689-8031 for international callers. The conference call will be led by Dr. Louis F. Centofanti, Chairman and Chief Executive Officer, and Ben Naccarato, Vice President and Chief Financial Officer, of Perma-Fix Environmental Services, Inc.

A webcast will also be archived on the Company's website and a telephone replay of the call will be available approximately one hour following the call, through midnight August 12, 2010, and can be accessed by calling: (877) 660-6853 (U.S. callers) or (201) 612-7415 (international callers) and entering account # 286 and conference ID: 354705.

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 DOE, 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.

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

For more information, contact:
Crescendo Communications, LLC
US Investor Relations
David K. Waldman
(212) 671-1021

Perma-Fix Environmental Services, Inc.
European Investor Relations
Herbert Strauss
+43 316 296 316
herbert@eu-ir.com.

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