CONFORMED COPY

================================================================================

                                    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.)

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

                                   ----------


                       CORNING CLINICAL LABORATORIES INC.
               (Exact name of obligor as specified in its charter)

Delaware                                                   16-1387862
(State or other jurisdiction of                            (I.R.S. employer
incorporation or organization)                             identification no.)

One Malcolm Avenue
Teterboro, New Jersey                                      07608
(Address of principal executive offices)                   (Zip code)

                                   ----------

                         TABLE OF ADDITIONAL REGISTRANTS

                                     State or Other             I.R.S.
                                     Jurisdiction of           Employer
                                     Incorporation          Identification
     Name                            or Organization            Number
     ----                            ---------------            ------

Corning Clinical Laboratories          Michigan               38-1882750
Inc. (MI)

Corning Nichols Institute Inc.         California             95-2701802

Damon Clinical Laboratories            Massachusetts          04-2449994
Inc.











Corning Clinical Laboratories          Connecticut          06-1460613
 Inc. (CT)

Corning Clinical Laboratories          Massachusetts        04-3248020
 Inc. (MA)

Corning Clinical Laboratories          Delaware             22-3137283
of Pennsylvania Inc.

Deyor CPF/Metpath, Inc.                Ohio                 34-1464777

Southgate Medical Services,            Ohio                 34-0944454
Inc.

Corning MRL Inc.                       Delaware             81-0496712

DPD Holdings Inc.                      Delaware             93-0988106

Metwest Inc.                           Delaware             33-0363316

Corning Clinical Laboratories          Maryland             52-0890739
Inc. (MD)

Nichols Institute Diagnostics          California           95-2955451

Nomad-Massachusetts, Inc.              Massachusetts        04-2704542

Quest Diagnostics Incorporated         Michigan             22-3471689
(MI)

Quest Diagnostics Incorporated         Maryland             22-3471687
(MD)

CLMP Inc.                              Delaware             51-031423

Diagnostic Reference Services,         Maryland             Application pending
Inc.

Pathology Building Partnership         Maryland             Application pending


The principal executive office and telephone number of each of the above
registrants is One Malcolm Avenue, Teterboro, New Jersey 07608, (201)393-5000.

                                   ----------

                      % Senior Subordinated Notes due 2006
                       (Title of the indenture securities)

================================================================================


                                       -2-





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.

- --------------------------------------------------------------------------------
           Name                                        Address
- --------------------------------------------------------------------------------

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   10004

    (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.  (See Note on page 4.)

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 Rule
     24 of the Commission's Rules of Practice.

     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.


                                      -3-








                                      NOTE


         Inasmuch as this Form T-1 is filed prior to the ascertainment by the
Trustee of all facts on which to base a responsive answer to Item 2, the answer
to said Item is based on incomplete information.

         Item 2 may, however, be considered as correct unless amended by an
amendment to this Form T-1.



                                       -4-






                                    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 5th day of December, 1996.


                                           THE BANK OF NEW YORK



                                           By:    /s/ STEPHEN J. GIURLANDO
                                               --------------------------------
                                               Name:  STEPHEN J. GIURLANDO
                                               Title: ASSISTANT VICE PRESIDENT


                                      -5-





                                                                       Exhibit 7
- --------------------------------------------------------------------------------

                       Consolidated Report of Condition of

                              THE BANK OF NEW YORK

                     of 48 Wall Street, New York, N.Y. 10286
                     And Foreign and Domestic Subsidiaries,
a member of the Federal Reserve System, at the close of business June 30, 1996,
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 depos-
  itory institutions:
  Noninterest-bearing balances and
  currency and coin ..................                          $ 3,650,068
  Interest-bearing balances ..........                              738,260
Securities:
  Held-to-maturity securities ........                              784,969
  Available-for-sale securities ......                            2,033,407
Federal funds sold and securities 
purchased under agreements to resell 
in domestic offices of the bank:
Federal funds sold ...................                            3,699,232
Securities purchased under
agreements to resell .................                               20,000
Loans and lease financing
  receivables:
  Loans and leases, net of unearned
    income .................                                     28,109,045
  LESS: Allowance for loan and
    lease losses ..............                                     586,658
  LESS: Allocated transfer risk
    reserve........................                                     429
    Loans and leases, net of unearned
    income, allowance, and reserve                               27,521,958
Assets held in trading accounts ......                              678,844
Premises and fixed assets (including
  capitalized leases) ................                              608,217
Other real estate owned ..............                               50,599
Investments in unconsolidated
  subsidiaries and associated
  companies ..........................                              235,670
Customers' liability to this bank on
  acceptances outstanding ............                              904,948
Intangible assets ....................                              450,230
Other assets .........................                            1,299,464
                                                                -----------
Total assets .........................                          $42,675,866
                                                                ===========

LIABILITIES
Deposits:
  In domestic offices ................                          $19,223,050
  Noninterest-bearing .......                                     7,675,758
  Interest-bearing .........                                     11,547,292
  In foreign offices, Edge and
  Agreement subsidiaries, and IBFs ...                           11,527,685
  Noninterest-bearing ..........                                     48,502






  Interest-bearing .........                                     11,479,183
Federal funds purchased and secu-
  rities sold under agreements to re-
  purchase in domestic offices of
  the bank and of its Edge and
  Agreement subsidiaries, and in
  IBFs:
  Federal funds purchased ............                            1,498,351
  Securities sold under agreements
    to repurchase ....................                              126,974
Demand notes issued to the U.S.
  Treasury ...........................                              231,865
Trading liabilities ..................                              479,390
Other borrowed money:
  With original maturity of one year
    or less ..........................                            2,521,578
  With original maturity of more than
    one year .........................                               20,780
Bank's liability on acceptances exe-
  cuted and outstanding ..............                              905,850
Subordinated notes and debentures ....                            1,020,400
Other liabilities ....................                            1,543,657
                                                                -----------
Total liabilities ....................                           39,099,580
                                                                -----------

EQUITY CAPITAL
Common stock ........................                               942,284
Surplus .............................                               525,666
Undivided profits and capital
  reserves ..........................                             2,124,231
Net unrealized holding gains
  (losses) on available-for-sale
  securities ........................                               (8,063)
Cumulative foreign currency transla-
  tion adjustments ..................                               (7,832)
                                                                -----------
Total equity capital ................                             3,576,286
                                                                -----------
Total liabilities and equity
  capital ...........................                           $42,675,866
                                                                ===========

      I, Robert E. Keilman, 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.

                                                     Robert E. Keilman

      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.

                         -
      J. Carter Bacot     |
      Alan R. Griffith    |     Directors
      Thomas A. Renyi     |
                         -


- --------------------------------------------------------------------------------