Page 4
                                             FMC Corporation
                                             Quarterly Report
                                             on Form 10-Q for
                                             March 31, 1998


Exhibit 15    Letter re: Unaudited Interim Financial Information
              --------------------------------------------------



FMC Corporation
Chicago, Illinois


Ladies and Gentlemen:

Re: Registration Statement No. 33-10661, No. 33-7749, No. 33-41745, No. 33-
48984, No. 333-18383 and No. 333-24039 on Form S-8 and Registration Statement
No. 33-62415 and No. 33-45648 on Form S-3.

With respect to the subject registration statements, we acknowledge our
awareness of the incorporation by reference therein of our report dated April
14, 1998 related to our review of interim financial information.

Pursuant to Rule 436(c) under the Securities Act of 1933, such report is not
considered part of a registration statement prepared or certified by an
accountant or a report prepared or certified by an accountant within the meaning
of Sections 7 and 11 of the Act.



Very truly yours,


/s/ KPMG Peat Marwick LLP

Chicago, Illinois
May 7, 1998