EPA announced the availability of the documents titled Ozone National Ambient Air Quality Standards: Scope and Methods Plan for Health Risk and Exposure Assessment, Ozone National Ambient Air Quality Standards: Scope and Methods Plan for Welfare Risk and Exposure Assessment, and Integrated Review Plan for the Ozone National Ambient Air Quality Standards.

EPA proposed to approve negative declarations and requests for EPA withdrawal of its CAA §§111(d) and 129 plan approval for HMIWI, LMWC, SMWC, and OSWI units from Florida, Kentucky, North Carolina, and South Carolina; see above for direct final rule.

EPA announced the availability of a final document titled, Policy Assessment for the Review of the Particulate Matter National Ambient Air Quality Standards (PA).

DOE amended energy conservation standards for residential clothes dryers and room air conditioners.

EPA seeks public comment on proposed rulemaking to address water quality conditions affecting aquatic resources in the San Francisco Bay/Sacramento-San Joaquin Delta Estuary in California.

EPA determined that perchlorate meets the SDWA's criteria for regulation as a contaminant.

SIP Proposal: Texas (VOC emissions from consumer-related sources; see above for direct final rule)

SIP Proposal: Pennsylvania (attainment of the 1997 eight-hour ozone NAAQS for the Pittsburgh-Beaver Valley nonattainment area)