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某化工厂是生产甲拌磷(3911)的县属乡镇企业,为了解该厂对工人健康的影响,预防职业危害的发生,进行了一次劳动卫生学调查,报告如下。1 对象和方法1.1 对象接触组为甲拌磷作业工人35名,男性,平均年龄24.5(17～50)岁,工龄大多不足1年,最短10天,最长5年;对照组选不接触有机磷农药的男性工人35名,平均年龄25.9(17～49)岁。1.2 方法车间空气甲拌磷浓度测定用酶
A chemical plant is a county township enterprise that produces phorate (3911). To understand its impact on workers’ health and prevent occupational hazards, a labour hygiene survey was conducted and reported as follows. 1 Subjects and methods 1.1 object contact group of phorate workers 35, male, average age 24.5 (17 to 50) years of age, most of the less than 1 year of service, the shortest 10 days, up to 5 years; the control group without exposure to organic Phosphorus pesticides, 35 male workers, the average age of 25.9 (17 to 49) years old. 1.2 Methods workshop for the determination of the concentration of phorate enzyme