================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 4, 2006 PERMA-FIX ENVIRONMENTAL SERVICES, INC. ------------------------------------------------------ (Exact name of registrant as specified in its charter) Delaware 1-11596 58-1954497 ---------------------------- ---------------- ------------------- (State or other jurisdiction (Commission File (IRS Employer of incorporation) Number) Identification No.) 1940 N.W. 67th Place, Suite A, Gainesville, Florida 32653 --------------------------------------------------- ---------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (352) 373-4200 Not applicable ------------------------------------------------------------- (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting materials pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) ================================================================================ Section 5 - Corporate Governance and Management. Item 5.02. Departure of directors or principal officers; election of directors; appointment of principal officers. On May 4, 2006, the Company's Board of Directors appointed Mr. David Hansen, 45, Interim Chief Financial Officer. Mr. Hansen has been with the Company since October 1995, and served in various capacities, including Vice President Corporate Controller/Treasurer from June 2005 to the present, Treasurer from March 2003 to June 2005, and Corporate Controller from June 1999 to March 2003. Mr. Hansen will continue to perform his current duties as well as the duties of the Interim Chief Financial Officer, until a permanent replacement is named. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: May 5, 2006. PERMA-FIX ENVIRONMENTAL SERVICES, INC. By: /s/ Dr. Louis F. Centofanti ---------------------------------- Dr. Louis F. Centofanti, President and Chief Executive Officer 3