摘要
目的 探究国际采矿和金属委员会(ICMM)职业健康风险评估模型在焦化厂职业健康风险评估中的适用性。方法 以承德市某焦化厂主要岗位为研究对象,对现场劳动卫生学调查数据运用ICMM模型的定量法和矩阵法分别进行分析评估。结果 输煤皮带巡检工、泵工以及粗苯巡检工接触噪声分别89.9、89.7、88.9 dB(A),输煤皮带巡检工接触粉尘浓度为4.24 mg/m~3,粗苯巡检工接触苯浓度为9.50 mg/m~3,均超过职业接触限值,评估结果均为高风险。其余危害因素浓度均低于职业接触限值,评估结果均为低风险。其中矩阵法和定量法评估结果不同的岗位有8处,其余结果均一致。结论 ICMM模型适用于焦化厂的粉尘、噪声、化学物质职业危害因素的健康风险评估,但不适于致癌物的风险评估。ICMM模型矩阵法较定量法更符合该焦化企业实际情况。
[Objective]To explore the applicability of a health risk assessment model provided by the International Council on Mining and Metals(ICMM)in a coking plant.[Methods]The main posts of a coking plant in Chengde City were selected as the research object,the quantitative method and matrix method of ICMM model were used to analyze and evaluate the field labor health survey data.[Results]Noise intensity of coal belt inspector,pump operator and crude benzene inspector was respectively89.9,89.7 and 88.9 d B(A),dust concentration of coal belt inspector was 4.24 mg/m~3,and benzene concentration of crude benzene inspector was 9.50 mg/m~3,all of them exceeded the occupational exposure limit and the evaluation results were high risk. The intensity/concentration of other hazard factors were all lower than the occupational exposure limit and the evaluation results were all low risk. The quantitative and matrix methods of ICMM model showed different results in eight posts,and the other results were consistent.[Conclusion]ICMM model can be applied in the occupational health risk assessment of dust,noise,and chemicals but carcinogen in coking plants. The matrix method is more in line with the actual situation of the coking enterprise than quantitative method.
引文
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