NMFS proposed to modify the regulations for Marine Mammal Protection Act §104 permits, including scientific research, enhancement, photography, and public display permits and letters of confirmation.

FWS announced a 12-month finding on a petition to list the lake sturgeon as an endangered or threatened species under the ESA, finding that listing is not warranted at this time. 

The Mine Safety and Health Administration amended its existing standards to better protect miners against occupational exposure to respirable crystalline silica, a significant health hazard, and to improve respiratory protection for miners from exposure to airborne contaminants.

NMFS announced a 90-day finding that a petition to list the whitespotted eagle ray as a threatened or endangered species and to designate critical habitat concurrent with the listing does not present substantial scientific or commercial information indicating that the petitioned action may be warranted.