Federal Register - "Approval and Promulgation of Implementation Plans; Region 4 States; Prong 3 Infrastructure Requirement for the 1997 and 2006 Fine Particulate Matter National Ambient Air Quality Standards"

Title: Approval and Promulgation of Implementation Plans; Region 4 States; Prong 3 Infrastructure Requirement for the 1997 and 2006 Fine Particulate Matter National Ambient Air Quality Standards Source: Federal Register Data/Action: ENVIRONMENTAL PROTECTION AGENCY (Final Rule) Date: 4/12/2013 Text Preview: ] ======================================================================= ----------------------------------------------------------------------- ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R04-OAR-2012-0814; FRL- 9799-8] Approval and Promulgation of Implementation Plans; Region 4 States; Prong 3 Infrastructure Requirement for the 1997 and 2006 Fine Particulate Matter National Ambient Air Quality Standards AGENCY: Environmental Protection Agency only in hard copy form. Publicly available docket materials are available either electronically through www.regulations.gov or in hard copy at the Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 holidays. FOR FURTHER INFORMATION CONTACT: Sean Lakeman, Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street, SW., Atlanta, Georgia 30303-8960. The telephone number is (404) 562-9043. Mr