EX-23.9 13 0013.txt Exhibit 23.9 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 dated November 15, 1999 on Stortext (Holdings) Limited Group's financial statements, included in Iron Mountain Incorporated's, a Delaware corporation, Current Report on Form 8-K filed with the Securities and Exchange Commission on November 24, 1999, and to all references to our Firm included in this registration statement. /s/ ARTHUR ANDERSEN Edinburgh, Scotland January 17, 2001