Exhibit 3.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the annual report on Form 40-F of Bennett Environmental Inc. for the year ended December 31, 2004, as filed with the Securities and Exchange Commission, I hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The annual report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the annual report fairly presents, in all material respects, the financial condition and results of operations of the registrant.

Date: March 30, 2005

/s/ Allan Bulckaert

Allan Bulckaert

President and Chief Executive Officer

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Bennett Environmental Inc. and will be retained by Bennett Environmental Inc. and furnished to the Securities and Exchange Commission or its staff upon request.