一、化学品毒性与危害的一般概念有毒化学品在生产、运输和使用过程中防护不当,容易造成人员中毒甚至危及生命。一般认为中毒危害的严重性与化学品的毒性有关,中毒死亡事故多由剧毒或高毒类化学品所引起。因此,剧毒和高毒化学品的防护常受到人们的高度重视,而低毒类化学品的防护却往往被忽视。 First, the general concept of toxicity and hazards of chemicals Toxic chemicals in the production, transportation and use of improper protection, likely to cause personal poisoning or even life-threatening. It is generally believed that the seriousness of the poisoning toxicity is related to the toxicity of the chemicals, and poisoning deaths are mostly caused by highly toxic or highly toxic chemicals. Therefore, the protection of highly toxic and highly toxic chemicals is often highly regarded, while the protection of low-toxic chemicals is often overlooked.