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
July 11, 2003