Exhibit 5.1
OPPENHEIMER WOLFF & DONNELLY LLP
Plaza VII, Suite 3300
45 South Seventh Street
Minneapolis, MN 55402-1609
www.Oppenheimer.com
Direct: | (612) 607-7243 |
Main: | (612) 607-7000 |
Fax: | (612) 607-7100 |
E-Mail: | TLund@oppenheimer.com |
November 18, 2011
Ecolab Inc.
370 Wabasha Street North
Saint Paul, MN 55102
Re: Ecolab Puerto Rico Savings Plan
Greetings:
You have requested our opinion with respect to whether the Ecolab Puerto Rico Savings Plan as set forth in the instrument entitled “Ecolab Puerto Rico Savings Plan” complies with the requirements of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”).
It is our opinion that the plan evidenced by the Ecolab Puerto Rico Savings Plan instrument complies with the requirements of ERISA.
The undersigned consents to the filing of this opinion as an exhibit to the above-captioned registration statement.
Very truly yours, |
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/s/ Thomas E. Lund |
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Thomas E. Lund |
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