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为反映劳动卫生现场的状况，我们在1996年5～6月对13个国营地属以上厂矿进行了劳动卫生调查，现结果报告如下。1．对象与方法在我区国营地属以上厂矿中随机抽查13个厂矿主要对生产性噪声、粉尘和毒物（MnO2）进行监测。生产性噪声采用国产HS6220型噪声分析仪，测定生产岗位工作
In order to reflect the status of labor hygiene, we conducted a labor hygiene survey of 13 state-owned or above factories and mines in May-June 1996, and the results are reported as follows. 1. Objects and Methods 13 factories and mines randomly selected from factories or mines owned by the state-owned factories in our district mainly monitor the production of noise, dust and poison (MnO2). Production noise using domestic HS6220-based noise analyzer, the determination of production jobs