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首页> 外文期刊>Occupational and environmental medicine >Exposure to carcinogens for defined job categories in Norway's offshore petroleum industry, 1970 to 2005.
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Exposure to carcinogens for defined job categories in Norway's offshore petroleum industry, 1970 to 2005.

机译：1970年至2005年，挪威海上石油行业中特定工作类别的致癌物质暴露量。

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OBJECTIVES: To identify and describe the exposure to selected known and suspected carcinogenic agents, mixtures and exposure circumstances for defined job categories in Norway's offshore petroleum industry from 1970 to 2005, in order to provide exposure information for a planned cohort study on cancer. METHODS: Background information on possible exposure was obtained through company visits, including interviewing key personnel (n = 83) and collecting monitoring reports (n = 118) and other relevant documents (n = 329). On the basis of a previous questionnaire administered to present and former offshore employees in 1998, 27 job categories were defined. RESULTS: This study indicated possible exposure to 18 known and suspected carcinogenic agents, mixtures or exposure circumstances. Monitoring reports were obtained on seven agents (benzene, mineral oil mist and vapour, respirable and total dust, asbestos fibres, refractory ceramic fibres, formaldehyde and tetrachloroethylene). The mean exposure level of 367 personal samples of benzene was 0.037 ppm (range: less than the limit of detection to 2.6 ppm). Asbestos fibres were detected (0.03 fibres/cm3) when asbestos-containing brake bands were used in drilling draw work in 1988. Personal samples of formaldehyde in the process area ranged from 0.06 to 0.29 mg/m3. Descriptions of products containing known and suspected carcinogens, exposure sources and processes were extracted from the collected documentation and the interviews of key personnel. CONCLUSIONS: This study described exposure to 18 known and suspected carcinogenic agents, mixtures and exposure circumstances for 27 job categories in Norway's offshore petroleum industry. For a planned cohort study on cancer, quantitative estimates of exposure to benzene, and mineral oil mist and vapour might be developed. For the other agents, information in the present study can be used for further assessment of exposure, for instance, by expert judgement. More systematic exposure surveillance is needed in this industry. For future studies, new monitoring programmes need to be implemented.
机译：目的：确定并描述1970-2005年挪威海上石油工业中特定工作类别的选定已知和可疑致癌剂，混合物和暴露环境的暴露情况，以便为计划中的癌症队列研究提供暴露信息。方法：通过公司访问获得有关可能暴露的背景信息，包括采访关键人员（n = 83）并收集监测报告（n = 118）和其他相关文件（n = 329）。根据1998年对现任和前任离职员工进行的问卷调查，共定义了27个工作类别。结果：这项研究表明可能暴露于18种已知和怀疑的致癌剂，混合物或暴露环境。监测报告涉及七种试剂（苯，矿物油雾和蒸气，可吸入和全部粉尘，石棉纤维，耐火陶瓷纤维，甲醛和四氯乙烯）。 367份苯的个人样品的平均暴露水平为0.037 ppm（范围：小于检出限至2.6 ppm）。当含石棉的制动带在1988年的钻孔拉伸工作中使用时，检测到石棉纤维（0.03纤维/ cm3）。工艺区域中的甲醛个人样品范围为0.06至0.29 mg / m3。从收集的文件和主要人员的访谈中提取了含有已知和疑似致癌物，接触源和加工过程的产品说明。结论：这项研究描述了挪威海上石油工业中27种工作类别的18种已知和疑似致癌剂，混合物和暴露环境。对于一项计划中的癌症队列研究，可能会对苯，矿物油雾和蒸气的暴露进行定量估算。对于其他药物，本研究中的信息可用于进一步评估暴露，例如通过专家判断。这个行业需要更系统的暴露监测。为了将来的研究，需要执行新的监视程序。

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