Exhibit 99.1


              Duratek Granted Summary Judgment in Patent
                  Claim Filed by Toxgon Corporation

    COLUMBIA, Md.--(BUSINESS WIRE)--July 11, 2003--Duratek, Inc.
(NASDAQ:DRTK) announced that the United States District Court for the
Eastern District of Washington granted Duratek's and co-defendant
BNFL, Inc.'s motion for summary judgment against Toxgon, and dismissed
all claims with prejudice. Toxgon's claim filed in May 2000 alleged
that Duratek and BNFL infringed upon a Toxgon patent that involved the
vitrification of toxic waste.
    Duratek provides safe, secure radioactive materials disposition.

    Certain statements contained in this press release may constitute
"forward-looking statements" within the meaning of Section 21E(i)(1)
of the Securities Exchange Act of 1934. Such forward-looking
statements involve known and unknown risks, uncertainties and other
factors that may cause Duratek's actual results to be materially
different from any future results expressed or implied by these
statements. Such factors include the following: the Company's ability
to manage its commercial waste processing operations, including
obtaining commercial waste processing contracts and processing waste
under such contracts in a timely and cost-effective manner; the timing
and award of contracts by the U.S. Department of Energy for the
cleanup of waste sites administered by it; the Company's ability to
integrate acquired companies; the acceptance and implementation of the
Company's waste treatment technologies in the government and
commercial sectors; and other large technical support services
projects. All forward-looking statements are also expressly qualified
in their entirety by the cautionary statements included in the
Company's SEC filings, including its quarterly reports on Form 10-Q
and its annual report on Form 10-K.


    CONTACT: Duratek, Inc.
             Diane R. Brown, Investor Relations
             Robert F. Shawver, Exec. V.P.
             410-312-5100
              or
             www.duratekinc.com