Other WRAL Top StoriesIt goes on to say that the PCB contamination in Poe Hall is “so extensive” that the building will likely be demolished. It was one of the first times the university had explicitly laid out the dangers lurking in Poe Hall. The World Health Organization has since deemed the chemicals “carcinogenic.” Poe Hall was built in 1971. Previous warnings at Poe HallA WRAL investigation found employees inside Poe Hall had complained about air quality for years. Related: Closed: Poe HallPrevious: WRAL wins national award for coverage of contamination at NC State's Poe HallMore: Investigation into potential cancer cluster at NC State will continue