(October 19, 2015, 1:10 PM EDT) -- BANGOR, Maine — A federal judge in Maine on Oct. 16 named Susan Calkins as the special master to oversee potential remedies Mallinckrodt U.S. LLC should fund to remediate mercury contamination in the Penebscot River and entered an order stating that an engineering firm will be retained to identify and evaluate potential active remedies to speed the recovery of the area (Maine People’s Alliance, et al. v. Holtrachem Manufacturing Company LLC, et al., No. 00-cv-00069-JAW, D. Maine; 2015 U.S. Dist. LEXIS 140853)....