MEMORANDUM

DATE:  	December 5, 2006

FROM:  Keith Barnett, EPA/OAR/OAQPS/SPPD/MMG

TO: Portland Cement Docket EPA-HQ-OAR-2002-0051

SUBJECT:   Incorporation by reference of Docket A-92-53, Portland Cement
NESHAP  

Docket A-92-53 contains information that is relevant to the Portland
Cement NESHAP rulemaking and docket A-92-53 is incorporated by reference
into this docket EPA-HQ-OAR-2002-0051.

