1.1本指南描述了控制排放到环境中的有害物质扩散的方法。它针对的是那些受过足够危险品响应培训的应急响应人员。

1.1 This guide describes methods to contain the spread of hazardous materials that have been discharged into the environment. It is directed toward those emergency response personnel who have had adequate hazardous material response training.