EXHIBIT 99.1


                            CERTIFICATION PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Annual Report on Form 10-K of Veritas DGC Inc. (the
"Company") for the year ended July 31, 2002 as filed with the Securities and
Exchange Commission on the date hereof (the "Form 10-K"), I, David B. Robson,
Chief Executive Officer of the Company, certify, pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

                  1. The Form 10-K fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

                  2. The information contained in the Form 10-K fairly presents,
in all material respects, the financial condition and results of operations of
the Company.

October 7, 2002

                                             /s/ David B. Robson
                                             -----------------------------------
                                             David B. Robson
                                             Chief Executive Officer