PCB contamination of ceiling tiles--Madison, Wisconsin.
D000393:Air Pollutants / Q000032:analysis; D003252:Construction Materials; D004781:Environmental Exposure; D006801:Humans; D011078:Polychlorinated Biphenyls / Q000032:analysis / Q000097:blood; D012574:Schools; D014922:Wisconsin
D000393:Air Pollutants; D011078:Polychlorinated Biphenyls