FWS announced a 90-day finding on a petition to list the prairie chub as threatened or endangered under the ESA and to designate critical habitat in Oklahoma and Texas; the agency found that listing may be warranted and initiated a status review.

FWS announced a 90-day finding on a petition to list the Spring Mountains acastus checkerspot butterfly as endangered under the ESA; the agency found that listing may be warranted and initiated a status review.

FWS proposed to list the Three Forks and San Bernardino springsnails as endangered under the ESA and to designate approximately 11.9 acres in Apache and Cochise Counties, Arizona, as critical habitat for the species.

FWS announced a 90-day finding on a petition to list the Peary and the Dolphin and Union population of the barren-ground caribou as endangered or threatened under the ESA; the agency found that listing may be warranted and initiated a status review.

FWS announced a 12-month finding on a petition to designate critical habitat and to list as endangered or threatened the Bearmouth and Byrne Resort mountainsnails and the meltwater lednian stonefly; the agency found that listing the meltwater lednian stonefly is warranted but precluded by higher priority actions.

FWS announced a 90-day finding on a petition to list the spring pygmy sunfish as endangered under the ESA; the agency found that listing is warranted and initiated a status review.

EPA proposed revisions to the NPDES permits for cooling water intake structures at certain facilities to minimize adverse environmental impacts.

OSM seeks public comment on proposed revisions to Oklahoma's regulatory program under SMCRA that would add size limitations for permanent impoundments, slope limitations affecting post-mine contours. a subsidence allegation reporting requirement, and a requirement for bond calculation at renewal.

EPA proposed to revise the procedure for applying threshold planning quantities for extremely hazardous substances that are non-reactive solid chemicals in solution form.

EPA proposed to approve revisions to Oklahoma's hazardous waste management program; see above for direct final rule.