Risk assessment of hearing loss caused by occupational noise exposure in an automobile manufacturing plant
10.3969/j.issn.1006-2483.2025.01.024
- VernacularTitle:某汽车制造厂职业性噪声暴露所致听力损失风险评估
- Author:
Kelu HAO
1
;
Xiaoxiao GUO
2
;
Jing LIU
2
;
Qiang ZENG
1
Author Information
1. School of Public Health , Tianjin Medical University , Tianjin 300070 , China;Institute of Occupational Health , Tianjin Centers for Disease Control and Prevention , Tianjin 300011 , China
2. Institute of Occupational Health , Tianjin Centers for Disease Control and Prevention , Tianjin 300011 , China
- Publication Type:Journal Article
- Keywords:
Occupational noise;
Hearing loss;
Risk assessment;
Risk management;
Automobile manufacturing industry
- From:
Journal of Public Health and Preventive Medicine
2025;36(1):105-109
- CountryChina
- Language:Chinese
-
Abstract:
Objective To assess the risk of hearing loss caused by occupational noise exposure in workers in an automobile manufacturing plant in Tianjin, China, and to perform risk management. Methods Occupational health field investigation and noise exposure measurements were conducted from July to December 2023, and physical examination data were collected. ISO 1999:2013(E) Acoustics-Estimation of Noise-Induced Hearing Loss and WS/T 754-2016 “Guidelines for Risk Management of Occupational Disease Hazards Caused by Noise” were used to predict the risk of high-frequency hearing loss and occupational noise induced deafness for operational workers and make a risk classification. Results The noise intensity of each workshop was 79.4 to 95.5 dB(A), and the maximum noise intensity of welding and stamping exceeded the standard. The results of the assessment showed that the noise level remained unchanged, and the risk of HFHL and ONID in workers increased as the predicted age and length of service increased. It was predicted that after the age of 40, the maximum risk of hearing loss in welding workers would be high risk, and the risk of stamping workers would be at higher risk, suggesting that welding and stamping were the key control posts of noise hazards in the enterprise. The N50 prediction values of permanent hearing threshold displacement caused by potential noise at all frequencies for final assembly and painting workers were lower than the measured values. Conclusion The consequences of hearing loss for workers in the welding and stamping shop noise operations at this automobile manufacturing plant are relatively serious and require risk management.
