Compass Minerals International (CMP) 10-K 2005 FY Annual report

Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-111541; Form S-8 No. 333-119410; Form S-8 No. 333-121965 and Form S-8 No. 333-127699) of Compass Minerals International, Inc. of our report dated February 23, 2006, with respect to the consolidated financial statements and schedule of Compass Minerals International, Inc. as of and for the year ended December 31, 2005, Compass Mineral International, Inc.’s management’s assessment of the effectiveness of internal control over financial reporting as of December 31, 2005, and the effectiveness of internal control over financial reporting of Compass Minerals International, Inc. as of December 31, 2005, included in the Annual Report (Form 10-K) for the year ended December 31, 2005.

/s/ Ernst & Young LLP

Kansas City, Missouri
February 23, 2006