EXHIBIT 3.9


                            CERTIFICATE OF AMENDMENT

                                     TO THE

                          CERTIFICATE OF INCORPORATION

                                       OF

                              SIFTO LOUISIANA INC.

          SIFTO LOUISIANA INC., a corporation organized and existing under and
by virtue of the General Corporation Law of the State of Delaware (the
"Corporation"), DOES HEREBY CERTIFY:

          FIRST: That the Board of Directors of the Corporation duly adopted a
resolution setting forth a proposed amendment to the Certificate of
Incorporation of the Corporation, declaring said amendment to be advisable and
calling a meeting of the stockholders of the corporation for consideration
thereof. The resolution getting forth the proposed amendment is as follows:

          RESOLVED, that Article First of the Certificate of Incorporation of
     the Corporation be amended, and as amended said Article shall be and read
     in its entirety as follows:

               "FIRST: The name of the Corporation is Carey Louisiana Inc.
          (hereinafter sometimes called the "Corporation")."

          SECOND: That in lieu of a meeting and vote of stockholders, the
holders of all of the outstanding stock the Corporation have given its unanimous
written consent to said amendment in accordance with the provisions of Section
228 of the General Corporation Law of the State of Delaware.

          THIRD: That said amendment was duly adopted in accordance with the
provisions of Section 242 of the General Corporation Law of the State of
Delaware.



          IN WITNESS WHEREOF, the Corporation has caused this certificate of
amendment to be signed by Anthony J. Petrocelli, its Vice President, and
attested by Richard J. Donahue, its Secretary, as of the 20th day of August,
1990.

                                                   SIFTO LOUISIANA INC.


                                                   By: _________________________
                                                         Anthony J. Petrocelli
                                                         Vice President


ATTEST: ________________________
           Richard J. Donahue
           Secretary