l简要案情被鉴定人钟某，男，35岁，于某年9月23日购得聚氨酯清漆一组呷、乙两种液体兑配使用），用于刷术质地板，用后感到效果还好．又于10月2日购买同样漆二组，第二天刷时即感气味刺激性大．刷了约3h（门窗打开），当晚即出现头昏、胸闷、气喘、流泪等症状，在本单位卫生所 l Brief case was identified Zhong, male, 35 years old, in a certain year on September 23 purchased a set of polyurethane varnish 呷, B, two liquids with the use of), for brushing the texture of the floor, feel better after use . Again on October 2 to buy the same paint two groups, the second day of the brush that smell irritating big. Brush about 3h (doors and windows open), that night there dizziness, chest tightness, asthma, tears and other symptoms, in the unit health clinic