Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-4 of Lyondell Chemical Company of the following reports,
which appear in the Lyondell Chemical Company Annual Report on Form 10-K for the
year ended December 31, 2002. We also consent to the reference to us under the
heading "Experts" in such Registration Statement.

     .    Our report dated March 10, 2003 on our audits of the consolidated
          financial statements of Lyondell Chemical Company as of December 31,
          2002 and 2001 and for each of the three years in the period ended
          December 31, 2002.

     .    Our report dated March 10, 2003 on our audits of the consolidated
          financial statements of Equistar Chemicals, LP as of December 31, 2002
          and 2001 and for each of the three years in the period ended December
          31, 2002.

     .    Our report dated February 14, 2003 on our audits of the financial
          statements of LYONDELL-CITGO Refining LP as of December 31, 2002 and
          2001 and for each of the three years in the period ended December 31,
          2002.

                                                  /s/ PricewaterhouseCoopers LLP

Houston, Texas
March 14, 2003