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GB/T4200-2008(《高温作业分级》)中将高温作业定义为由于工业企业和服务行业工作地点具有生产性热源,当室外实际气温达到本地区夏季室外通风设计计算温度时,其工作地点气温高于室外气温2℃或2℃以上的作业。GBZ2.2-2007(《工作场所有害因素职业接触限值》第2部
High-temperature operation is defined in GB / T4200-2008 (“High-temperature operation classification”) as a productive heat source at the work place of industrial enterprises and service industries. When the outdoor actual temperature reaches the summer outdoor ventilation design calculation temperature in the region, the working place temperature Operation above 2 ° C or above 2 ° C above ambient temperature. GBZ2.2-2007 (Occupational Exposure Limits for Hazardous Locations in Workplaces, Part 2)