Memorandum:

TO:  		EPA Docket Management

FROM:	David Dickinson, Attorney-Advisor, Office of Air and Radiation

		Michael Horowitz, Attorney-Advisor, Office of General Counsel

RE:		Docket EPA-HQ-OAR-2006-0173

This memorandum serves as concurrence from a representative of the
Office of General Counsel, along with a representative from the Office
of Air and Radiation, that the docket noted above should be opened for
public access.  Any comments submitted to the docket at this time should
be considered, if possible, as comments received before the publication
of the official Federal Register Notice for Hearing and Comment. 
However, we recognize that this memorandum will coded as a Federal
Register Notice for purposes of triggering the opening of the electronic
docket.   Once the official Federal Register Notice is published the
comment period noted in that Notice will be the official comment period.

Thank you for your consideration.

