EPA proposed amendments to the NESHAPs for secondary lead smelting, including revisions to stack emissions limits for lead; fugitive dust emissions control requirements; total hydrocarbons emissions limits for reverberatory, electric, and rotary furnaces; emissions limits and work practice requirements for dioxins and furans; testing and monitoring and related notification, recordkeeping, and reporting requirements; and provisions addressing periods of startup, shutdown, and malfunction to ensure that the rules are consistent with a recent court decision.

EPA revised the regulatory criteria for clean alternative fuel vehicle and engine conversions.

EPA promulgated amendments to the new source performance standards and emissions guidelines for hospital/medical/infectious waste incinerators (HMIWIs) after remand by the D.C. Circuit.

SIP Approval: Utah (substantial inadequacy of NAAQS).

SIP Approval: Kentucky (maintenance plans for the 1997 eight-hour ozone NAAQS).

SIP Approval: Indiana (volatile organic compound (VOC) emissions at gasoline dispensing facilities).

SIP Approval: Illinois (definition of volatile organic compound).

SIP Approval: Florida (PSD construction permit program).

SIP Approval: District of Columbia (1997 eight-hour ozone and 1997/2006 fine particulate matter (PM) NAAQS).

EPA suspended the next submission period for the TSCA §8(a) Inventory Update Reporting regulations.