PART IV  EXHIBIT 31.2  Chief Financial Officer Certifi cation 85 FMC CORPORATION    2010 Form 10K which are reasonably likely to adversely affect the registrant’s  ability to record, process, summarize and report fi nancial  information; and Date: February 22, 2011 /s/ Pierre R. Brondeau Pierre R. Brondeau President and Chief Executive Officer I, W. Kim Foster, certify that: assurance regarding the reliability of financial reporting and  the preparation of financial statements for external purposes  in accordance with generally accepted accounting principles; Date: February 22, 2011 /s/ W. Kim Foster W. Kim Foster Executive Vice President and Chief Financial Officer b.  Any fraud, whether or not material, that involves management  or other employees who have a significant role in the  registrant’s internal control over fi nancial reporting. a. All  signifi cant defi ciencies and material weaknesses in the  design or operation of internal control over fi nancial reporting  which are reasonably likely to adversely affect the registrant’s  ability to record, process, summarize and report fi nancial  information; and b.  Designed such internal control over fi nancial reporting,  or caused such internal control over fi nancial reporting to  be designed under our supervision, to provide reasonable  a.  Designed such disclosure controls and procedures or caused  such disclosure controls and procedures to be designed under  our supervision, to ensure that material information relating  to the registrant, including its consolidated subsidiaries, is  made known to us by others within those entities, particularly  during the period in which this annual report is being  prepared; 4. Th e registrant’s other certifying officer and I are responsible for  establishing and maintaining disclosure controls and procedures  (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and  internal control over financial reporting (as defined in Exchange  Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have: 5. Th e registrant’s other certifying offi cer and I have disclosed, based  on our most recent evaluation of internal control over fi nancial  reporting, to the registrant’s auditors and the audit committee  of the registrant’s board of directors (or persons performing the  equivalent functions): d.  Disclosed in this report any change in the registrant’s internal  control over financial reporting that occurred during the  registrant’s most recent fiscal quarter that has materially  affected, or is reasonably likely to materially aff ect, the  registrant’s internal control over financial reporting; and c.  Evaluated the effectiveness of the registrant’s disclosure  controls and procedures and presented in this report our  conclusions about the effectiveness of the disclosure controls  and procedures, as of the end of the period covered by this  report based on such evaluation; and 3.  Based on my knowledge, the financial statements, and other  financial information included in this annual report, fairly  present in all material respects the financial condition, results  of operations and cash fl ows of the registrant as of, and for, the  periods presented in this annual report; 2.  Based on my knowledge, this annual report does not contain any  untrue statement of a material fact or omit to state a material fact  necessary to make the statements made, in light of the circumstances  under which such statements were made, not misleading with  respect to the period covered by this annual report; 1.  I have reviewed this annual report on Form 10-K of FMC  Corporation; a. All  signifi cant defi ciencies and material weaknesses in the  design or operation of internal control over fi nancial reporting  b.  Any fraud, whether or not material, that involves management  or other employees who have a significant role in the  registrant’s internal control over fi nancial reporting. 5. Th e registrant’s other certifying offi cer and I have disclosed, based  on our most recent evaluation of internal control over fi nancial  reporting, to the registrant’s auditors and the audit committee  of the registrant’s board of directors (or persons performing the  equivalent functions):