Federal Register - "Air Plan Approval; TN; Removal of Vehicle I/M Program; Middle Tennessee Area and Hamilton County"

Title: Air Plan Approval; TN; Removal of Vehicle I/M Program; Middle Tennessee Area and Hamilton County Source: Federal Register Data/Action: Environmental Protection Agency (Proposed Rule) Date: 4/22/2021 Text Preview: ...ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R04-OAR-2019-0618 and EPA-R04-OAR-2019-0619; FRL-10022-87-Region 4] Air Plan Approval; TN; Removal of Vehicle I/M Program; Middle Tennessee Area and Hamilton County AGENCY: Environmental Protection Agency (EPA). ACTION: Supplemental notice of proposed rulemaking. ----------------------------------------------------------------------- SUMMARY: Through this supplemental notice of proposed rulemaking (``supplemental proposal'' or ``SNPRM''), the Environmental Protection Agency (EPA)... ...EPA public comment policy, information about CBI or multimedia submissions, and general guidance on making effective comments, please visit www2.epa.gov/dockets/commenting-epa-dockets . FOR FURTHER INFORMATION CONTACT: Lynorae Benjamin, Chief, Air Planning and Implementation Branch, Air and Radiation Division, Region 4, U.S. Environmental Protection Agency... ...EPA proposes to affirm that the Hamilton County and Middle Tennessee areas would continue to attain and maintain the national ambient air quality standards (NAAQS or standards) after removal of the I/M program, and to rely on an emissions inventory comparison to inform its determination that both areas would continue to attain and maintain the ozone and carbon monoxide (CO) NAAQS. EPA...