Exhibit 23.4 - Consent of PricewaterhouseCoopers LLP


                     CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby  consent to the  incorporation  by reference in the  Registration
Statement  on Form S-8 (No.  33-52125-99)  pertaining  to the Ashland  Inc.
Deferred Compensation Plan for Non-Employee  Directors, in the Registration
Statement  on Form S-8 (No.  33-32612-99)  pertaining  to the Ashland  Inc.
Employee  Savings  Plan,  in the  Registration  Statement  on Form S-8 (No.
33-55922-99)  pertaining to the Ashland Inc. 1993 Stock  Incentive Plan, in
the Registration Statement on Form S-8 (No. 33-49907-99)  pertaining to the
Ashland Inc.  Leveraged  Employee Stock Ownership Plan, in the Registration
Statement  on Form S-8 (No.  33-62901-99)  pertaining  to the Ashland  Inc.
Deferred Compensation Plan, in the Registration  Statement on Form S-8 (No.
333-33617-99)  pertaining to the Ashland Inc. 1997 Stock Incentive Plan, in
the Registration Statement on Form S-8 (No. 333-54766-99) pertaining to the
Amended and  Restated  Ashland Inc.  Incentive  Plan,  in the  Registration
Statement on Form S-8 (No.  333-122270-99)  pertaining  to the Ashland Inc.
Deferred  Compensation  Plan  for  Non-Employee  Directors  (2005),  in the
Registration  Statement on Form S-8 (No.  333-122269-99)  pertaining to the
Ashland  Inc.  Deferred  Compensation  Plan for  Employees  (2005),  in the
Registration  Statement  on Form S-8  (No.  333-127348)  pertaining  to the
Amended and Restated  Ashland  Inc.  Incentive  Plan,  and in Form S-8 (No.
333-131792)  pertaining  to the 2006 Ashland Inc.  Incentive  Plan,  of our
report  dated  March 24,  2006  relating  to the  financial  statements  of
Marathon  Petroleum  Company LLC (formerly  Marathon Ashland Petroleum LLC)
which appears in this Form 10-K/A (Amendment No. 1).



/s/ PricewaterhouseCoopers LLC

Houston, TX
March 30, 2006