论文部分内容阅读
有关水电工程中的有毒有害作业调查屡有报道,但对生产性粉尘作业危害程度分级的调查甚少。为了摸清施工现场中的粉尘危害程度,并为今后的分级管理提供依据,特对我局部分粉尘作业系统进行危害程度分级调查。对象与方法调查对象:本次调查以1989年我局尘肺流调结果为基础,对凿岩岗位、砼拌合岗位、砂石破碎岗位、砂石筛分岗位进行粉尘危害程度分
Investigation of toxic and hazardous operations in hydropower projects has been reported frequently, but there are few surveys on the grading of the hazards of productive dust operations. In order to find out the damage degree of the dust in the construction site and provide the basis for the future classification management, we conducted a grading investigation on the damage degree of some dust handling systems in our bureau. Subjects and Methods Survey respondents: Based on the results of the pneumoconiosis program of our bureau in 1989, the degree of dust hazard to the post of rock drilling, concrete mixing, gravel crushing and sandstone screening were divided