长期以来，健康和环保倡导者们一直在敦促美国政府部门加强对报告中提及的11种化学物品的使用管制，并呼吁对化学品的长期影响进行更多的研究。
Health and environmental advocates have long urged US government agencies to tighten the use of some of the 11 chemicals the report cites and called for more studies on their long-term effects.
在发现了笑气这种常见化学品对正在恢复的臭氧层构成新威胁之后，科学家们呼吁对笑气排放实行更为严格的管制。
Scientists have called for stricter controls on emissions of laughing gas, after discovering the common chemical poses a new threat to the recovering ozone layer.
应对拟送进受核工厂的新组件、新物料、新化学品、新机器、新产品实施管制，以防对环境卫生安全有潜在损害的这些东西未经检验进入。
The controls should be in place to prevent new components, materials, chemicals, machinery, and products from entering the facility, which have not been reviewed for potential EHS hazards.
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