(January 5, 2018, 9:01 AM EST) -- SAN FRANCISCO — A divided panel of the Ninth Circuit U.S. Court of Appeals on Dec. 27 granted a petition for writ of mandamus sought by advocacy groups seeking to compel the Environmental Protection Agency to act on a rule-making petition concerning lead-dust hazards and lead-paint standards (In re: A Community Voice, et al. v. U.S. Environmental Protection Agency, No. 16-72816, 9th Cir.)....