A federal grand jury in San Juan, Puerto Rico, returned an indictment today charging Ramon Plaza-Gregory, Ileana Cortes-Gonzalez, and Mo-Na-Co Biomedical & Environmental Corp. (Monaco) with five violations of the Clean Air Act as well as conspiring to violate the Clean Air Act. The charges relate to emissions from Monaco’s commercial incinerator in Aguadilla, Puerto Rico, which is owned by Plaza-Gregory and operated by both Plaza-Gregory and Cortes-Gonzalez.