EPA proposed to grant Maine the authority to implement and enforce its amended Dry Cleaner Rule in place of the federal NESHAP for perchloroethylene dry cleaning facilities; see above for direct final rule.

EPA finalized NESHAPs for Group I polymers and resins; marine tank vessel loading operations; pharmaceuticals production; and the printing and publishing industry.

EPA proposed revisions to the NESHAPs for the production of polyvinyl chloride and copolymers during periods of startup, shutdown, and malfunctions, including requirements on demonstration of initial and continuous compliance, continuous monitoring provisions, and recordkeeping and reporting.

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.

EPA proposed NESHAPs from coal- and oil-fired electric utility steam-generating units and revised NSPS for fossil fuel-fired units.

FWS determined threatened status for the salmon-crested cockatoo throughout its range under the ESA.

SIP Approval: Utah (substantial inadequacy of NAAQS).

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