Federal Register - "Approval and Promulgation of Air Quality Implementation Plans; Maryland; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standard"

Title: Approval and Promulgation of Air Quality Implementation Plans; Maryland; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standard Source: Federal Register Data/Action: Environmental Protection Agency (Final Rule) Date: 9/18/2019 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R03-OAR-2019-0036; FRL-9999-67-Region 3] Approval and Promulgation of Air Quality Implementation Plans; Maryland; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standard AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: The Environmental Protection Agency (EPA)... ...Environmental Protection Agency, Region III, 1650 Arch Street, Philadelphia, Pennsylvania 19103. The telephone number is (215) [[Page 49063]] 814-5787. Ms. Schmitt can also be reached via electronic mail at [email protected] . SUPPLEMENTARY INFORMATION: I. Background On October 26, 2015, EPA... ...EPA promulgates a new or revised NAAQS, states are required to make a SIP submission showing how the existing approved SIP has all the provisions necessary to...