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我科于1979年对本市三家塑料加工厂从事塑料加工的工人进行了劳动卫生调查和健康检查。调查对象共选择335名从事加工聚氯乙烯塑料的工人,另选不接触毒物的某工厂机修车间工人122名作对照。三个塑料加工厂A厂以生产人造革、鞋底、薄膜为主,车间宽敞,自然通风条件良好,车间均有机械通风排毒设备。B厂以生产聚氯乙烯薄膜雨衣为主。B、C二厂均为敞开式生产,无机械通风排毒设备。
In 1979, our department conducted labor hygiene surveys and health examinations for workers engaged in plastic processing in three plastic processing factories in the city. The survey respondents selected a total of 335 workers engaged in the processing of PVC plastic, or choose a non-contact toxic machinery factory workers 122 as a control. Three plastic processing factory A factory to produce leather, soles, film-based, workshop spacious, good natural ventilation, the workshop has mechanical ventilation detoxification equipment. B plant to produce PVC film raincoats. B, C plants are open production, no mechanical ventilation detoxification equipment.