A massive group of health care, chemical and defense companies urged the Ninth Circuit on Tuesday to revive their recovery claim against a slew of other companies over costs associated with the cleanup of long-accumulated contamination at a California Superfund site, arguing that their claim isn’t time-barred.

During oral arguments, E. Joshua Rosenkranz of Orrick Herrington & Sutcliffe LLP, an attorney representing The Boeing Co., The Dow Chemical Co. and Baxter Healthcare Corp. and arguing on behalf of all the plaintiff-appellants, urged a Ninth Circuit panel to reverse a California federal judge’s decision to toss their claim seeking to recoup some of the costs they’ve spent cleaning up the widespread Omega Chemical Corp. Superfund Site. Read more.…