Gourdeau P, Parent M, Soulard A
Departement de medecine du travail, CLSC Haute-Ville, Quebec, Canada.
Can J Public Health. 1995 Nov-Dec;86(6):414-7.
Carbon monoxyde (CO) exposure is an occupational hazard for car mechanics. Following two cases of CO poisoning and a preliminary environmental assessment of four car dealerships, a descriptive study was initiated in 76 car dealer repair shops in the Quebec City area to evaluate CO exposure. Alveolar CO of 496 mechanics and ambient CO in 47 car dealer repair shops were measured: 44.6% of non smoker workers had an alveolar CO level greater than 27 ppm which is equivalent to a 5% level of carboxyhemoglobin (HbCO). Ambient CO was greater than 35 ppm in 42.6% of car repair shops, a level considered a risk for chronic health effects. The following measures were proposed to car dealership owners to reduce mechanics' exposure to CO: 1) Install or improve local or general ventilation systems, 2) improve the layout of the repair shops, and 3) prohibit running of car engines without proper connection to the ventilation system.
一氧化碳（CO）暴露是汽车修理工面临的职业危害。在两起CO中毒事件以及对四家汽车经销商进行初步环境评估之后，于魁北克市地区的76家汽车经销商修理店开展了一项描述性研究，以评估CO暴露情况。对496名修理工的肺泡CO以及47家汽车经销商修理店的环境CO进行了测量：44.6%的非吸烟工人肺泡CO水平高于27 ppm，这相当于5%的碳氧血红蛋白（HbCO）水平。42.6%的汽车修理店环境CO高于35 ppm，这一水平被认为会对健康产生慢性影响。向汽车经销商老板提出了以下措施以减少修理工接触CO：1）安装或改进局部或全面通风系统，2）改善修理店布局，3）禁止在未与通风系统正确连接的情况下运转汽车发动机。
