EX-23 5 0005.txt EXHIBIT 23.2 ------------ CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS ----------------------------------------- As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report included in the Annual Report on Form 10-K of Columbia Energy Group for the year ended December 31, 1999 and to all references to our Firm in this Registration Statement. /s/ Arthur Andersen LLP New York, New York October 23, 2000