Objective To investigate the health status of workers exposed to mercury in a thermometer manufacturing plant.
Methods Detect the air concentrations of mercury in the thermometer factory and perform health examinations on 147 mercury-exposed workers.
Results Part of the air mercury concentrations in workplace exceeded the national occupational health standards. The mercury vapor concentrations of 16 selected monitoring points are higher than the national occupational health standard; 48 mercury-exposed workers showed neural symptoms, and the prevalence was 32.65% (48/147). Total of 28 mercuryexposed workers had the mouth-gum disease, and the prevalence was 19.05% (28/147). The urine mercury of 122 mercury-exposed workers exceeded the national occupational health standards, the average urinary mercury was (129.83& #177;82.14)μg/g creatinine.
Conclusion The company should take further effective preventive measures to prevent and control chronic mercury poisoning.
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