Assertion: mercury's use | /r/HasProperty | banned
Facets:
Source sentences:
text: Once the adverse health effects of methylmercury were known, the use of methymercury and ethylmercury as fungicides was banned.
text: Up until 1991, phenylmercuric compounds were used as antifungal agents in both interior and exterior paints, but this use was also banned because mercury vapors were released from these paints.