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                                                                    EXHIBIT 23.5
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
     As independent public accountants, we hereby consent to the incorporation
by reference in this Registration Statement on Form S-4 of our report dated
August 1, 1997 included in Christiana Companies, Inc.'s Form 10-K for the fiscal
year ended June 30, 1997, as amended on Form 10-K/A, and to all references to
our Firm included in this Registration Statement.
 
                                            ARTHUR ANDERSEN LLP
 
Milwaukee, Wisconsin
April 6, 1998