CONFIRMATION OF AUTHORITY




	The undersigned confirms that he or she authorizes Leslie M.
Reynolds, Peggy A. Wyszynski, Andrea A. Zwegat or Carolyn
Cheverine to execute and file with the Securities and Exchange
Commission on behalf of the undersigned any statements, or
amendments thereto, that the undersigned may be required to file
under Section 16(a) of the Securities Exchange Act of 1934 or Rule
144 under the Securities Act of 1933 with respect to securities
and related instruments of The Lubrizol Corporation.  This
authority shall continue until the undersigned is no longer
required to File Forms 3, 4 and 5 with respect to the undersigneds
holdings of and transactions in securities issued by The Lubrizol
Corporation, unless earlier revoked by the undersigned in a signed
writing.




Date: 9 Feb 2007				/s/  James E. Sweetnam
							James E. Sweetnam