EXHIBIT 99.1

      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


I, Robert L. Demorest, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of
my knowledge, the Quarterly Report of MOCON, Inc. on Form 10-Q for the quarterly
period ended June 30, 2002 fully complies with the requirements of Section 13(a)
or 15(d) of the Securities Exchange Act of 1934 and that information contained
in such Form 10-Q fairly presents in all material respects the financial
condition and results of operations of MOCON, Inc.


                                   By:  /s/  Robert L. Demorest
                                        ----------------------------------------
                                   Name:  Robert L. Demorest
                                   Title: Chief Executive Officer


I, Dane D. Anderson, certify, pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of
my knowledge, the Quarterly Report of MOCON, Inc. on Form 10-Q for the quarterly
period ended June 30, 2002 fully complies with the requirements of Section 13(a)
or 15(d) of the Securities Exchange Act of 1934 and that information contained
in such Form 10-Q fairly presents in all material respects the financial
condition and results of operations of MOCON, Inc.


                                  By:  /s/  Dane D. Anderson
                                       -----------------------------------------
                                  Name:  Dane D. Anderson
                                  Title: Chief Financial Officer