Proposal would implement Biden executive order signed in April.

Half of the payment is back pay for 362 workers; the rest is for liquidated damages.

Associated Builders and Contractors says it plans to challenge agency's action in federal court.

Julie Su, California labor agency head, is pick for DOL's No.2, David Turk, Obama administration energy official, is named for DOE

Walsh adheres to Biden's positions and says OSHA workplace safety shouldn't be an "us vs. them" issue.

Final rule retains construction exclusion from new industry-recognized apprentice programs.

Update 9/26: Nominee approved on 53-44 vote along party lines.