Bennett Environmental Announces Maintenance Shutdown

OAKVILLE, ON, Sept. 23 /CNW/ - Bennett Environmental Inc. announced today
that it will take a maintenance shutdown at RDecupGere Sol Inc. ("RSI"), Saint
Ambroise, Quebec.
The shutdown will begin on September 24, 2005 and will last approximately
three weeks. During that time RSI will undertake routine maintenance that can
only take place when the plant is not operating.
Al Bulckaert, Bennett's President and CEO remarked that he is "quite
pleased with the work that RSI has done over the past quarter, in fact, the
plant has been operating for 117 days, this is the first time the plant has
operated for over 100 consecutive days since its commissioning." Mr. Bulckaert
offered his thanks and congratulations to all members of the RSI team for
meeting this new milestone.
During the current quarter RSI has processed approximately 15,000 tonnes
of contaminated soil and has 8,000 tonnes in storage.

About Bennett Environmental Inc.
Bennett Environmental Inc. is a North American leader in high temperature
treatment services for the remediation of contaminated soil and has provided
thermal solutions to contamination problems throughout Canada and the US.
Bennett Environmental's technology provides for the safe, economical and
permanent solution to contaminated soil. Independent testing has consistently
proven that the technology operates well within the most stringent criteria in
North America.
Bennett Environmental is listed on the Toronto Stock Exchange (Trading
Symbol "BEV") and the American Stock Exchange (Trading Symbol "BEL").