SIP Proposal: Kentucky (redesignation to attainment of the 2010 one-hour sulfur dioxide NAAQS for the Kentucky portion of the Campbell-Clermont, Kentucky-Ohio nonattainment area, base-year emissions inventory, clean data determination, and maintenance plan).

SIP Proposal: Kentucky (redesignation to attainment of the 2010 one-hour sulfur dioxide NAAQS for the Kentucky portion of the Campbell-Clermont, Kentucky-Ohio nonattainment area, base-year emissions inventory, clean data determination, and maintenance plan).

SIP Proposal: Kentucky (redesignation to attainment of the 2010 one-hour sulfur dioxide NAAQS for the Kentucky portion of the Campbell-Clermont, Kentucky-Ohio nonattainment area, base-year emissions inventory, clean data determination, and maintenance plan).

SIP Proposal: California (emissions of volatile organic compounds and particulate matter from confined animal facilities in the Yolo-Solano air quality management district).

SIP Proposal: California (emissions of volatile organic compounds and particulate matter from confined animal facilities in the Yolo-Solano air quality management district).

SIP Proposal: California (emissions of volatile organic compounds and particulate matter from confined animal facilities in the Yolo-Solano air quality management district).

EPA finalized revisions under the Significant New Alternatives Policy program that designate certain substances as “acceptable, subject to use conditions,” lists several substances as “unacceptable,” and changes the listing status for certain substances from “acceptable” to “acceptable, subject to narrowed use limits” or to “unacceptable”; the revisions also exempt propane in certain refrigeration end-uses from the CAA §608 prohibition on venting, release, or disposal and apply unacceptability determinations for foam-blowing agents to closed cell foam products.

EPA finalized revisions under the Significant New Alternatives Policy program that designate certain substances as “acceptable, subject to use conditions,” lists several substances as “unacceptable,” and changes the listing status for certain substances from “acceptable” to “acceptable, subject to narrowed use limits” or to “unacceptable”; the revisions also exempt propane in certain refrigeration end-uses from the CAA §608 prohibition on venting, release, or disposal and apply unacceptability determinations for foam-blowing agents to closed cell foam products.

EPA finalized revisions under the Significant New Alternatives Policy program that designate certain substances as “acceptable, subject to use conditions,” lists several substances as “unacceptable,” and changes the listing status for certain substances from “acceptable” to “acceptable, subject to narrowed use limits” or to “unacceptable”; the revisions also exempt propane in certain refrigeration end-uses from the CAA §608 prohibition on venting, release, or disposal and apply unacceptability determinations for foam-blowing agents to closed cell foam products.