EXHIBIT 99-6


                        CERTIFICATION OF PERIODIC REPORT



I, David E. Meador, Senior Vice President and Chief Financial Officer of
Michigan Consolidated Gas Company (the "Company"), certify, pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that to the best
of my knowledge and belief:

(1)      the Quarterly Report on Form 10-Q of the Company for the quarterly
         period ended September 30, 2002 (the "Report") fully complies with the
         requirements of Section 13(a) or 15(d) of the Securities Exchange Act
         of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)      the information contained in the Report fairly presents, in all
         material respects, the financial condition and results of operations of
         the Company.



Dated:        November 13, 2002                      /s/ DAVID E. MEADOR
                                              ---------------------------------
                                                       David E. Meador
                                                  Senior Vice President and
                                                  Chief Financial Officer of
                                              Michigan Consolidated Gas Company