Nalco Holding CO - FORM 10-K - EX-23.1 - CONSENT OF ERNST & YOUNG LLP - February 26, 2010

Attached files

file filename
10-K - FORM 10-K - Nalco Holding COd10k.htm
EX-31.2 - CERTIFICATION OF EXECUTIVE VICE PRESIDENT, CFO AND TREASURER - Nalco Holding COdex312.htm
EX-21.1 - ACTIVE SUBSIDIARIES - Nalco Holding COdex211.htm
EX-31.1 - CERTIFICATION OF THE CHAIRMAN, PRESIDENT AND CEO - Nalco Holding COdex311.htm
EX-10.63 - EMPLOYMENT SEPARATION AND CONSULTING AGREEMENT - Nalco Holding COdex1063.htm
EX-10.28 - AMENDMENT NO.2 TO THE SUPPLEMENTAL RETIREMENT INCOME PLAN - Nalco Holding COdex1028.htm
EX-10.65 - 2009 PRODUCTIVITIY SUCCESS PAYMENTS PLAN - Nalco Holding COdex1065.htm
EX-10.26 - AMENDMENT NO. 2 TO THE SUPPLEMENTAL PROFIT SHARING PLAN - Nalco Holding COdex1026.htm
EX-10.64 - FIRST AMENDMENT TO THE EMPLOYEE WELFARE BENEFITS PLAN - Nalco Holding COdex1064.htm
EX-10.66 - AMENDMENT NO. 5 TO THE NALCO COMPANY RETIREMENT INCOME PLAN. - Nalco Holding COdex1066.htm
EX-32.1 - CERTIFICATION OF J. ERIK FRYWALD AND BRADLEY JL BELL - Nalco Holding COdex321.htm

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-122582) pertaining to the Nalco Holding Company 2004 Stock Incentive Plan and the Registration Statements (Form S-1 No. 333-126642, Form S-1 No. 333-118583 and Form S-3 No. 333-130715) of Nalco Holding Company and in the related Prospectus of our reports dated February 26, 2010, with respect to the consolidated financial statements and schedules of Nalco Holding Company and subsidiaries, and the effectiveness of internal control over financial reporting of Nalco Holding Company and subsidiaries, included in this Annual Report (Form 10-K) for the year ended December 31, 2009.

/s/ ERNST & YOUNG LLP

Chicago, Illinois

February 26, 2010

Nalco Holding CO Reports