Ecolab (ECL) 10-Q 2007 Q1 Quarterly report

Exhibit (32)

Section 1350 Certifications

Pursuant to 18 U.S.C. Section 1350, each of the undersigned officers of Ecolab Inc. does hereby certify that:

(a)the Quarterly Report on Form 10-Q of Ecolab Inc. for the quarter ended March 31, 2007 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b)information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Ecolab Inc.

Dated:   May 3, 2007	/s/Douglas M. Baker, Jr.
	Douglas M. Baker, Jr.
	Chairman of the Board,
	President and Chief Executive Officer
Dated:   May 3, 2007	/s/Steven L. Fritze
	Steven L. Fritze
	Executive Vice President and
	Chief Financial Officer

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