toxic substances

基本解释

Another example is exposure to toxic substances, whether following illicit dumping or after an accident.
另一个例子是接触有毒物质，无论是在非法倾卸或出现事故之后。
Avoid placing water containers in areas where toxic substances, such as gasoline and pesticides, are present.
避免将食水的容器存放在有有毒物质，如汽油和杀虫剂，的区域内。
Some examples include the promotion of safe household water storage, better hygiene measures, improved management of toxic substances in the home and workplace.
促进家庭用水的储存安全，更好地采取个人卫生措施，在家庭和工作场所改进有毒物质的管理。

Weissman says manufacturers often promote a product's recycled content, but might not mention,for example, that it contains toxic substances.

The chemical will be added to the Stockholm Convention, which now regulates 22 toxic substances such as DDT and PCBs.
NPR: Nations Agree To New Chemical Ban, Export Controls