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-3 and in the  registration
statement on Form S-3 (File No. 333-54030) of our report dated February 22, 2000
on the consolidated  financial  statements of Iron Mountain  Incorporated (f/k/a
Pierce Leahy Corp.), a Pennsylvania corporation,  and its subsidiaries,  as well
as our report dated February 22, 2000 on the  supplemental  schedule,  Valuation
and Qualifying Accounts, included in its Annual Report on Form 10-K for the year
ended December 31, 1999,  filed with the  Securities and Exchange  Commission on
March 30, 2000 and to all  references to our Firm included in this  registration
statement.




                                                     /s/     Arthur Andersen LLP

Philadelphia, Pennsylvania
December 11, 2001