Current status assessment of occupational disease hazards from perspective of urban public services

doi:10.16265/j.cnki.issn1003-3033.2025.S2.0037

Abstract

Abstract:

To enhance the overall effectiveness of occupational health management in China and effectively safeguard the physical and mental well-being of workers, an assessment of occupational disease hazards was conducted using a biomass energy enterprise in an urban setting as a case study. The evaluation method combined on-site investigation, fixed-point monitoring, and checklist analysis. Based on relevant standards such as Occupational Exposure Limits for Harmful Factors in the Workplace Part 1: Chemical Harmful Factors and Guidelines for Evaluating the Control Effect of Occupational Disease Hazards in Construction Projects, a comprehensive identification and quantitative assessment of occupational disease hazard factors—including dust, chemical toxicants, noise, and high temperatures—was carried out throughout the entire process from raw material handling, waste incineration power generation, to flue gas purification. Simultaneously, a comprehensive evaluation was conducted on the implementation status of engineering protection, personal protective equipment, occupational health management system, emergency response system, and health monitoring measures taken by the enterprise. The results show that the concentrations or intensities of all hazard factors in the workplace of this enterprise are all below the national occupational exposure limits. The existing protective facilities are reasonably arranged and operate effectively, with stable compliance in periodic monitoring data over the past three years. All major aspects of occupational health management comply with regulatory requirements, and there have been no reported cases of occupational diseases or acute occupational poisoning incidents in recent years. The evaluation methods and results have been validated through years of operational practice by the enterprise, demonstrating a certain level of scientific validity and effectiveness. This can serve as a reference for similar enterprises in their prevention and control of occupational disease hazards.

Key words: occupational health, occupational disease hazards, current situation assessment, fixed-point monitoring, checklist

CLC Number:

X961

LI Hang, LI Changming. Current status assessment of occupational disease hazards from perspective of urban public services[J]. China Safety Science Journal, 2025, 35(S2): 239-244.

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序号	名称	时间加权平均容许浓度/(mg·m^-3)
序号	名称	总尘	呼尘
1	其他粉尘	8	—
2	活性炭粉尘	5	—
3	电焊烟尘	4	—
4	砂轮磨尘	8	—

序号	样品种类	游离二氧化硅含量/%
1	焚烧发电单元、烟气净化单元、飞灰储间放灰口巡检位等	1.06
2	焚烧发电单元除渣单元炉渣装车巡检位	7.24

接触时间	接触限值/ dB(A)	备注
5 d/w=8 h/d	85	对于非稳态噪声, 需8 h等效声级
5 d/w≠8 h/d	85	计算8 h等效声级
≠5 d/w	85	计算40 h等效声级

紫外光谱分类	8 h职业接触限值
紫外光谱分类	辐照度/ (μW·cm^-2)	照射量/ (mJ·cm^-2)
中波紫外线(280 nm≤λ<315 nm)	0.26	3.7
短波紫外线(100 nm≤λ<280 nm)	0.13	1.8
电焊弧光	0.24	3.5