EXHIBIT 25.5

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                                    FORM T-1

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                            STATEMENT OF ELIGIBILITY
                   UNDER THE TRUST INDENTURE ACT OF 1939 OF A
                    CORPORATION DESIGNATED TO ACT AS TRUSTEE

                      CHECK IF AN APPLICATION TO DETERMINE
                      ELIGIBILITY OF A TRUSTEE PURSUANT TO
                             SECTION 305(b)(2) | |



                              THE BANK OF NEW YORK
               (Exact name of trustee as specified in its charter)

New York                                                  13-5160382
(State of incorporation                                   (I.R.S. employer
if not a U.S. national bank)                              identification no.)

One Wall Street, New York, N.Y.                           10286
(Address of principal executive offices)                  (Zip code)



                           IRON MOUNTAIN INCORPORATED
               (Exact name of obligor as specified in its charter)


Pennsylvania                                               23-2588479
(State or other jurisdiction of                            (I.R.S. employer
incorporation or organization)                             identification no.)



745 Atlantic Avenue
Boston, Massachusetts                                      02111
(Address of principal executive offices)                   (Zip code)

                                  _____________

                   Guarantee of Trust Preferred Securities of
                               IM Capital Trust I
                       (Title of the indenture securities)

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1. General information. Furnish the following information as to the Trustee:

         (a) Name and address of each  examining  or  supervising  authority  to
which it is subject.

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                  Name                                        Address
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Superintendent of Banks of the State of      2 Rector Street, New York,
New York                                     N.Y.  10006, and Albany, N.Y. 12203

Federal Reserve Bank of New York             33 Liberty Plaza, New York,
                                             N.Y.  10045

Federal Deposit Insurance Corporation        Washington, D.C.  20429

New York Clearing House Association          New York, New York   10005

         (b) Whether it is authorized to exercise corporate trust powers.

          Yes.

2. Affiliations with Obligor.

         If the  obligor is an  affiliate  of the  trustee,  describe  each such
         affiliation.

         None.

16. List of Exhibits.

         Exhibits  identified in parentheses below, on file with the Commission,
         are incorporated herein by reference as an exhibit hereto,  pursuant to
         Rule 7a-29  under the Trust  Indenture  Act of 1939 (the  "Act") and 17
         C.F.R. 229.10(d).

         1.       A copy of the Organization Certificate of The Bank of New York
                  (formerly  Irving  Trust  Company)  as  now in  effect,  which
                  contains  the  authority  to commence  business and a grant of
                  powers to  exercise  corporate  trust  powers.  (Exhibit  1 to
                  Amendment No. 1 to Form T-1 filed with Registration  Statement
                  No.  33-6215,  Exhibits  1a  and 1b to  Form  T-1  filed  with
                  Registration  Statement No. 33-21672 and Exhibit 1 to Form T-1
                  filed with Registration Statement No. 33-29637.)

         4.       A copy of the existing  By-laws of the Trustee.  (Exhibit 4 to
                  Form T-1 filed with Registration Statement No. 33-31019.)

         6.       The consent of the Trustee  required by Section  321(b) of the
                  Act. (Exhibit 6 to Form T-1 filed with Registration  Statement
                  No. 33-44051.)

         7.       A copy  of the  latest  report  of  condition  of the  Trustee
                  published  pursuant  to  law  or to  the  requirements  of its
                  supervising or examining authority.

                                       -2-



                                    SIGNATURE



         Pursuant to the  requirements of the Act, the Trustee,  The Bank of New
York, a corporation  organized  and existing  under the laws of the State of New
York,  has duly caused this  statement of eligibility to be signed on its behalf
by the undersigned,  thereunto duly authorized, all in The City of New York, and
State of New York, on the 11th day of December, 2001.


                                              THE BANK OF NEW YORK



                                              By:        /s/  MING SHIANG
                                                  Name:  MING SHIANG
                                                  Title: VICE PRESIDENT


                                                                       EXHIBIT 7

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                       Consolidated Report of Condition of

                              THE BANK OF NEW YORK

                    of One Wall Street, New York, N.Y. 10286
                     And Foreign and Domestic Subsidiaries,
a member of the Federal Reserve System, at the close of business March 31, 2001,
published  in  accordance  with a call made by the Federal  Reserve Bank of this
District pursuant to the provisions of the Federal Reserve Act.

                                                                  Dollar Amounts
ASSETS                                                             In Thousands
Cash and balances due from depository institutions:
   Noninterest-bearing balances and currency and coin ..........     $ 2,811,275
   Interest-bearing balances ...................................       3,133,222
Securities:
   Held-to-maturity securities .................................         147,185
   Available-for-sale securities ...............................       5,403,923
Federal funds sold and Securities purchased under
   agreements to resell ........................................       3,378,526
Loans and lease financing receivables:
   Loans and leases held for sale ..............................          74,702
   Loans and leases, net of unearned
     income ....................................................      37,471,621
   LESS: Allowance for loan and
     lease losses ..............................................         599,061
   Loans and leases, net of unearned
     income and allowance ......................................      36,872,560
Trading Assets .................................................      11,757,036
Premises and fixed assets (including capitalized
   leases) .....................................................         768,795
Other real estate owned ........................................           1,078
Investments in unconsolidated subsidiaries and
   associated companies ........................................         193,126
Customers' liability to this bank on acceptances
   outstanding .................................................         592,118
Intangible assets
   Goodwill ....................................................       1,300,295
   Other intangible assets .....................................         122,143
Other assets ...................................................       3,676,375
                                                                     -----------
Total assets ...................................................     $70,232,359
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LIABILITIES
Deposits:
   In domestic offices .........................................     $25,982,242
   Noninterest-bearing .........................................      10,586,346
   Interest-bearing ............................................      15,395,896
   In foreign offices, Edge and Agreement
     subsidiaries, and IBFs ....................................      24,862,377
   Noninterest-bearing .........................................         373,085
   Interest-bearing ............................................      24,489,292
Federal funds purchased and securities sold under
   agreements to repurchase ....................................       1,446,874
Trading liabilities ............................................       2,373,361
Other borrowed money:
   (includes mortgage indebtedness and obligations
   under capitalized leases) ...................................       1,381,512
Bank's liability on acceptances executed and
   outstanding .................................................         592,804
Subordinated notes and debentures ..............................       1,646,000
Other liabilities ..............................................       5,373,065
                                                                     -----------
Total liabilities ..............................................     $63,658,235
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EQUITY CAPITAL
Common stock ...................................................       1,135,284
Surplus ........................................................       1,008,773
Retained earnings ..............................................       4,426,033
Accumulated other comprehensive income .........................           4,034
Other equity capital components ................................               0
                                                                     -----------
Total equity capital ...........................................       6,574,124
                                                                     -----------
Total liabilities and equity capital ...........................     $70,232,359
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         I, Thomas J.  Mastro,  Senior Vice  President  and  Comptroller  of the
above-named  bank do hereby  declare  that this  Report  of  Condition  has been
prepared in conformance with the  instructions  issued by the Board of Governors
of the  Federal  Reserve  System  and is true to the  best of my  knowledge  and
belief.

                                                              Thomas J. Mastro,
                                          Senior Vice President and Comptroller

         We, the undersigned directors, attest to the correctness of this Report
of Condition  and declare that it has been examined by us and to the best of our
knowledge  and belief has been


prepared in  conformance  with the  instructions
issued by the Board of Governors of the Federal  Reserve  System and is true and
correct.


Thomas A. Renyi
Gerald L. Hassell                                                 Directors
Alan R. Griffith


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