EXHIBIT 25

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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)


                            LYONDELL CHEMICAL COMPANY
               (Exact name of obligor as specified in its charter)


Delaware                                                   95-4160558
(State or other jurisdiction of                            (I.R.S. employer
incorporation or organization)                             identification no.)


                        LYONDELL CHEMICAL NEDERLAND, LTD.
               (Exact name of obligor as specified in its charter)


Delaware                                                  51-0110124
(State or other jurisdiction of                           (I.R.S. employer
incorporation or organization)                            identification no.)


                         ARCO CHEMICAL TECHNOLOGY, INC.
               (Exact name of obligor as specified in its charter)


Delaware                                                     94-2400836
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)



                         ARCO CHEMICAL TECHNOLOGY, L.P.
               (Exact name of obligor as specified in its charter)


Delaware                                                 54-1613415
(State or other jurisdiction of                          (I.R.S. employer
incorporation or organization)                           identification no.)


1221 McKinney Street, Suite 700
Houston, Texas                                           77010
(Address of principal executive offices)                 (Zip code)

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                      10-1/2% Senior Secured Notes due 2013
                       (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            2 Rector Street, New York,
    State of 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.



                                    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 2nd day of July, 2003.

                                        THE BANK OF NEW YORK


                                        By:     /s/ ROBERT A. MASSIMILLO
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                                            Name:  ROBERT A. MASSIMILLO
                                            Title: VICE PRESIDENT

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