Exhibit 23.2 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the use of our reports covering the audited historical financial statements and schedule of Iron Mountain Incorporated and the audited historical financial statements of Data Storage Systems, Inc., DKA Industries, Inc. d/b/a Systems Record Storage, Mohawk Business Record Storage, Inc. and Security Archives Corporation, and to all references to our Firm included in or made a part of this registration statement. Arthur Andersen LLP Los Angeles, California San Jose, California Orlando, Florida Minneapolis, Minnesota September 25, 1996