EXHIBIT 23.2 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statements Nos. 33- 26867, 33-31564, 33-32683, 33-60785 and 333-05399 on Form S-8 and No. 333-60429 on Form S-3 of Lyondell Chemical Company of our report on Lyondell CITGO- Refining LP dated February 11, 1999, appearing in this Annual Report on Form 10-K of Lyondell Chemical Company for the year ended December 31, 1999. /s/ Deloitte & Touche LLP - ------------------------------- DELOITTE & TOUCHE LLP Houston, Texas March 28, 2000