SIP Proposal: Tennessee (PSD and nonattainment new source review programs).

SIP Proposal: Pennsylvania (PSD and infrastructure requirements).

SIP Proposal: Pennsylvania (attainment of the 1997 annual fine particulate matter NAAQS for the Pittsburgh nonattainment area) 77 FR 34297 (6/11/12).

SIP Proposal: Alabama (infrastructure submissions).

SIP Approval: Indiana (best available retrofit technology and limited approval of regional haze revisions).

FWS announced a 90-day finding on a petition to list the southern and Mt. Rainier white-tailed ptarmigan as threatened and to designate critical habitat under the ESA; the agency found that listing may be warranted and initiated a status review of the two subspecies.

FWS announced a 90-day finding on a petition to delist the Inyo California towhee and to reclassify from endangered to threatened the arroyo toad, Indian Knob mountainbalm, Lane Mountain milk-vetch, Modoc sucker, and Santa Cruz cypress under the ESA; the agency found that delisting and reclassification may be warranted and initiated status reviews.

NOAA-Fisheries announced a 12-month finding on a petition to revise the existing critical habitat designation under the ESA for the leatherback sea turtle; it denied the petition due to insufficient information to adequately identify essential features within the area petitioned for leatherbacks.

SIP Proposal: Wyoming (partial approval of regional haze plan and federal implementation plan).

FWS announced the availability of a draft economic analysis of the proposed revised designation of critical habitat for the northern spotted owl under the ESA.