You can order AIRNow Publications directly via EPA's National Service Center for Environmental Publications (NSCEP) (http://www.epa.gov/ncepihom/) web site. Your publication requests can also be mailed, called, or faxed to:
U.S. Environmental Protection Agency
National Center for Environmental Publications (NSCEP)
P.O. Box 42419
Cincinnati, OH 42419
1-800-490-9198/(513) 489-8695 (fax)
Please use the EPA Document Number, which is usually bolded or highlighted, when ordering from NSCEP.