淄博市主要工业噪声危害状况的调查

目的摸清淄博市主要工业企业的噪声危害状况,探索噪声作业危害的分级方法.方法选择淄博市7个主要工业行业的22个工业企业为调查研究对象,测定生产性噪声强度和噪声作业人员的听力,按照等效连续A声级的大小对噪声作业岗位进行分级.结果淄博市主要工业企业噪声作业点以纺织、冶金、机械制造和水泥建材的噪声强度较高,Ⅱ级以上噪声作业岗位占46.1%.结论噪声作业可以用等效连续A声级来进行分级.

Investigations on Main Industrial Noise Hazards in Zibo City

Objective To study the noise hazard in the main industrial enterprises, try to find out grading methods for noise work. Methods We choose 22 factories in seven industries, determined the intensity of industrial noise and hearing of workers who exposed to noise. The workplaces were classified into some grades according to high or low equivalent consecutive sound level A. Results The intensity of noise was high in textile industry, metallurgical industry, engineering industry and building material industry of Zibo city, 46.1 percent of the workplaces were ranked as second grade or higher. Conclusion The workplace can be classified by equivalent consecutive sound level A.