Document:

EXHIBIT 10.2

                      NON-QUALIFIED STOCK OPTION AGREEMENT

      THIS AGREEMENT is made as of ________________, between E-Z-EM, Inc.
("Company") and __________________________ ("Optionee"). Terms used herein have
the same meaning as in the Company's 1984 Directors and Consultants Stock Option
Plan ("Plan").

      1.    The Company hereby grants to Optionee a  Non-Qualified  Stock Option
            to purchase  [____]  Shares of Common Stock  pursuant and subject to
            the  terms of the  Plan,  a copy of  which  has  been  delivered  to
            Optionee and which is incorporated herein by reference.

      2.    The Option price per share shall be $____________.

      3.    The Option shall expire on ________________, unless earlier
            terminated.

      4.    In the event Optionee becomes employed by, associated in any way
            with, or the beneficial owner of more than 1% of the equity of any
            business which competes, directly or indirectly, with the Company's
            business in any geographical area where the Company then does
            business, the Option shall immediately expire and Optionee shall
            have no rights hereunder.

      5.    The Option shall not be exercisable for a period of one year from
            the date hereof except as provided in Section 8.

      6.    The Option shall not be transferable otherwise than by will or by
            the laws of descent and distribution and during the lifetime of
            Optionee shall be exercisable only by Optionee.

      7.    In the event Optionee ceases to be a member of the Board of
            Directors of the Company for any reason other than death or
            disability, the Option may be exercised (if it has not expired under
            Sections 3 or 4 and is exercisable under Section 5) only during the
            period ending three months from the date of such cessation.

      8.    In the event Optionee ceases to be a member of the Board of
            Directors of the Company by reason of death or disability, the
            Option may be fully exercised as to all Shares covered hereby (if it
            has not expired under Sections 3 or 4 but regardless of whether it
            is exercisable under Section 5) only during the period ending six
            months from the date of such cessation.

      9.    Nothing herein or in the Plan shall confer upon the Optionee any
            right to continue as a member of the Board of Directors of the
            Company.

      10.   The Option and the Plan are subject to adjustments, modifications
            and amendments as provided in the Plan.

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      11.   Subject to the Plan, this Agreement shall bind and inure to the
            benefit of the Company, Optionee and their respective successors,
            assigns and personal representatives.

      12.   This Agreement will be governed by and construed under the laws of
            Delaware. Any disputes, claims or interpretive issues arising
            hereunder shall be resolved by the Committee in its sole and
            absolute discretion, and the Committee's determinations shall be
            final and uncontestable.

      IN WITNESS WHEREOF, the undersigned have executed this Agreement to be
effective from the date first above written.

                                          E-Z-EM, Inc.

                                          By:
                                             -----------------------------------
                                               Dennis J. Curtin
                                               Vice President - Finance

                                          By:
                                             -----------------------------------Section 1

Exhibit 4.23(c)

AMENDMENT NO. 3 TO RECEIVABLES PURCHASE AGREEMENT

AMENDMENT dated as of April 27, 2005 to the Receivables Purchase Agreement dated as of December 17, 2003 (the "Receivables Agreement") among LYONDELL FUNDING II, LLC, a Delaware limited liability company (the "Seller"), LYONDELL CHEMICAL COMPANY, a Delaware corporation (the "Servicer"), the PURCHASERS from time to time party thereto and CITICORP USA, INC., as asset agent and administrative agent for the Purchasers (the "Agent").

The parties hereto agree as follows:

Section 1.  Defined Terms; References.  Unless otherwise specifically defined herein, each term used herein which is defined in the Receivables Agreement has the meaning assigned to such term in the Receivables Agreement. Each reference to "hereof", "hereunder", "herein" and "hereby" and each other similar reference and each reference to "this Agreement" and each other similar reference contained in the Receivables Agreement shall, after this Amendment becomes effective, refer to the Receivables Agreement as amended hereby.

Section 2. Amended Definitions.  (a) Section 1.1 of the Receivables Agreement is hereby amended by inserting the following definition therein in correct alphabetical order:

"Lyondell Financial Statements" means the consolidated balance sheet, income statement and statement of cash flows of Lyondell prepared in accordance with GAAP, except that Lyondell's investments in Equistar and Millennium and the related assets, liabilities, revenues, expenses and cash flows of Equistar and Millennium shall be presented as though they are carried under the equity method of accounting.

(b)  The following definition in Section 1.1 of the Receivables Agreement is amended to read in its entirety as follows:

"GAAP" as applied to a Person means accounting principals generally accepted in the United State as in effect from time to time, applied on a basis consistent (except for changes concurred in by the Borrower's independent public accountants) with the most recent audited financial statements of such Person delivered to the Agent.

(c)  The definition of "Guarantee" in Section 1.1 of the Receivables Agreement is hereby amended by deleting the phrase "on a consolidated balance sheet of Lyondell" in such definition and inserting the phrase "on the balance sheet of the Lyondell Financial Statements" in place thereof.

(d)  The definition of "Securitization Transaction" in Section 1.1 of the Receivables Agreement is hereby amended by deleting the phrase "on a consolidated balance sheet of Lyondell" in such definition and inserting the phrase "on the balance sheet of the Lyondell Financial Statements" in place thereof.

Section 3.  Amendments to Article V.  (a)  Section 5.2 of the Receivables Agreement is hereby amended by deleting the number "100" in clause (a) thereof and inserting the number "85" in place thereof.

(b)  Section 5.5 of the Receivables Agreement is hereby amended by deleting the number "100" in clause (c) thereof and inserting the number "85" in place thereof.

Section 4.  Representations of Seller and Servicer.  (a) The Seller represents and warrants that (i) the representations and warranties set forth in Section 4.1 of the Receivables Agreement will be true in all material respects on and as of the Amendment Effective Date (as defined below) with the same effect as though made on and as of such date, except to the extent such representations and warranties expressly relate to an earlier date and (ii) no Potential Event of Termination or Event of Termination will have occurred and be continuing on such date.

(b)  The Servicer represents and warrants that (i) the representations and warranties set forth in Section 4.2 of the Receivables Agreement will be true in all material respects on and as of the Amendment Effective Date with the same effect as though made on and as of such date, except to the extent such representations and warranties expressly relate to an earlier date and (ii) no Potential Event of Termination or Event of Termination will have occurred and be continuing on such date.

Section 5.  Governing Law.  This Amendment shall be governed by and construed in accordance with the laws of the State of New York.

Section 6.  Counterparts.  This Amendment may be signed in any number of counterparts, each of which shall be an original, with the same effect as if the signatures thereto and hereto were upon the same instrument.

Section 7.  Effectiveness.  This Amendment shall become effective on the first date (the "Amendment Effective Date") when, and simultaneously with the time upon which, the Agent shall have signed a counterpart hereof and shall have received counterparts hereof signed by the Required Purchasers, the Seller and the Servicer (or, in the case of any party as to which an executed counterpart shall not have been received, the Agent shall have received in form satisfactory to it facsimile or other written confirmation from such party of execution of a counterpart hereof by such party).

Promptly after the Amendment Effective Date occurs, the Agent shall notify the Seller, the Servicer and the Purchasers thereof, and such notice shall be conclusive and binding on all parties hereto.

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed as of the date first above written.

	CITICORP USA, INC., as Agent

	

By:
	

/s/  David Jaffe

	Name:David Jaffe

	Title:Director/Vice President

	LYONDELL FUNDING II, LLC, as Seller

	

By:
	

/s/  Karen A. Twitchell

	Name:Karen A. Twitchell

	Title:Vice President and Treasurer

	LYONDELL CHEMICAL COMPANY, as Servicer

	

By:
	

/s/  Karen A. Twitchell

	Name:Karen A. Twitchell

	Title:Vice President and Treasurer

 

	BANK OF AMERICA, N.A.

	

By:
	

/s/  Stephen J. King

	Name:Stephen J. King

	Title:Vice President

 

	JPMORGAN CHASE BANK, N.A..

	

By:
	

/s/  Stacey L. Haimes

	Name:Stacey L. Haimes

	Title:Vice President

 

	

NATIONAL CITY BUSINESS CREDIT, INC.

	

By:
	

/s/  Anthony Alexander

	Name:Anthony Alexander

	Title:Vice President

 

	WELLS FARGO FOOTHILL, LLC

	

By:
	

/s/  Patrick McCormack

	Name:Patrick McCormack

	Title:Assistant Vice President

 

	THE BANK OF NEW YORK

	

By:
	

/s/  Raymond J. Palmer

	Name:Raymond J. Palmer

	Title:Vice President

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