Exhibit 32
                                ASHLAND INC.


                         CERTIFICATION PURSUANT TO
                          18 U.S.C. SECTION 1350,
                           AS ADOPTED PURSUANT TO
               SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection  with the Annual  Report of Ashland Inc.  (the  "Company") on
Form  10-K/A  for the period  ended  September  30,  2005 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"),  each
of the  undersigned,  James J.  O'Brien,  Chief  Executive  Officer  of the
Company,  and J.  Marvin  Quin,  Chief  Financial  Officer of the  Company,
certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, to the best of his knowledge, that:

(1)      The Report  fully  complies,  in all material  respects,  with the
         requirements of section 13(a) or 15(d) of the Securities  Exchange
         Act of 1934; and

(2)      The information  contained in the Report fairly  presents,  in all
         material  respects,   the  financial   condition  and  results  of
         operations  of the Company as of and for the periods  presented in
         the report.

The foregoing  certification  is provided  solely for purposes of complying
with the provisions of Section 906 of the Sarbanes-Oxley Act of 2002 and is
not intended to be used or relied upon for any other purpose.


/s/ James J. O'Brien
-------------------------------------------
James J. O'Brien
Chief Executive Officer
March 30, 2006


 /s/ J. Marvin Quin
-------------------------------------------
J. Marvin Quin
Chief Financial Officer
March 30, 2006


A signed  original of this  written  statement  required by Section 906 has
been  provided to Ashland  Inc.  and will be retained by Ashland  Inc.  and
furnished to the Securities and Exchange Commission or staff upon request.