市政炒油厂原料是石渣、矿粉、砂料、沥青,辅助原料是燃煤。毒害物质主要以粉尘污染最为严重。正常气候条件下,厂区大气飘尘严重超过国家规定的卫生标准。主要产生粉尘作业岗位,大气含尘量最低值77.5mg/m3,最高值为630.0mg/m3,最低均值233.8mg/m3,最高均值400.4mg/m3。为掌握粉尘对接尘作业工人肺支气管损害程度.对炒油厂工人进行了10年胸片跟踪观察。1对象与方法 1986年6月对炒油厂工人健康体检,按天津市统一毒害作业体检表各项要求,规范检查填写,将检查中各项指标合格的51名男性健康工人(以下简称接尘组工人)和按同样规范从同期体检的,年龄组与接尘工人基本相同男性保全工、仓库工、后勤工中随机抽 Municipal fry plant raw materials is gravel, slag, sand, asphalt, auxiliary raw materials is coal. Toxic substances are mainly polluted by dust. Under normal climatic conditions, the atmospheric dust in the plant area seriously exceeds the national hygiene standards. Mainly produce dust jobs, the lowest dust content in the atmosphere 77.5mg / m3, the highest value of 630.0mg / m3, the lowest average 233.8mg / m3, the highest average 400.4mg / m3. In order to grasp the degree of damage to the lung bronchus of workers exposed to dust, the workers in the chaffs were followed up for 10 years. 1 objects and methods 1986 June on the health inspection of workers in frying oil factory, according to the Tianjin unified toxic work medical examination table requirements, standardized inspection to fill in the inspection indicators of qualified 51 male health workers (hereinafter referred to as dust Group workers) and according to the same norms from the same period of physical examination, the age group and dust workers basically the same male security workers, warehouse workers, logistics workers random pumping