76 FR 28664
EPA finalized amendments to Method 301, Field Validation of Pollutant Measurement Methods From Various Waste Media.
EPA finalized amendments to Method 301, Field Validation of Pollutant Measurement Methods From Various Waste Media.
SIP Proposal: Colorado (partial approval of revisions to air pollutant emission notice regulations)
SIP Proposal: Colorado (partial approval of updates)
EPA proposed to allow refiners and laboratories to use an alternative test method for olefin content in gasoline.
SIP Proposal: California (limited approval of VOC revisions for the San Joaquin Valley unified air pollution control district)
SIP Proposal: Alabama (disapproval of interstate transport submission)
EPA deferred on an interim basis the imposition of sanctions associated with the Sacramento Metro area's one-hour ozone nonattainment area.
EPA proposed to determine attainment of the PM NAAQS for the Columbia Falls and Libby nonattainment areas in Montana.
EPA proposed to amend the new source performance standards for electric utility and industrial-commercial-institutional steam-generating units; see above for direct final rule.
EPA proposed to amend NESHAPs for the Portland cement manufacturing industry and the standards of performance for Portland cement plants; see above for direct final rule.