August 31, 2010

MEMORANDUM

TO: EPA Docket #EPA-HQ-OAR-2009-0211

FROM: Robert Anderson, Environmental Protection Specialist,
EPA/OAR/OTAQ/CISD

RE: Preliminary Data from Tier DOE Catalyst Durability Program (V4/CRC
E-87-2)

Attached is an Excel spreadsheet that contains preliminary data from the
DOE Catalyst Durability Test Program also referred to as the DOE V4
program or the CRC E-87-2 program.  These data are preliminary results
for the non-Tier 2 vehicle portion of the test program.

The enclosed spreadsheet contains all data for non-Tier 2 vehicles
submitted to EPA from DOE as of October 25, 2010.  It should be noted
that these data are preliminary and therefore, subject to change based
on ongoing QA/QC.  

For more information, please contact Robert Anderson at either  
HYPERLINK "mailto:anderson.robert@epa.gov"  anderson.robert@epa.gov  or
(202) 343-9718.

