SACRAMENTO, Calif. - A motion for a temporary restraining order (TRO) filed by two industry trade associations seeking to prevent the implementation of a rule adopted by the U.S. Environmental Protection Agency that would require wastewater treatment facilities in California to use a two-concentration Test of Significant Toxicity (TST) to determine if their discharges are toxic was dismissed as untimely by a federal judge in California on July 2 (Southern California Alliance of POTWs, et al. v. U.S. Environmental Protection Agency, et al., No. 14-cv-01513-MCE-DAD, E.D. Calif.; 2014 U.S. Dist. LEXIS 90545).