某瓦楞板厂生产瓦楞板已达8年,作业工人主要受苯酚的危害。为初步探讨苯酚对作业工人血象变化及其关系,对该厂87名工人进行血象观察,结果如下。 1 调查对象和方法 1.1 对象 接触组为该厂接触苯酚作业工人87名,其中男43名,女44名;年龄最大52岁,最小19岁;平均年龄27.2岁,工龄1～19年,平均5.9年。同时选择不接触有害因素的正常健康者102名作对照;其中男53 A corrugated board factory corrugated board has reached eight years, workers are mainly affected by the hazards of phenol. For the preliminary study of phenol on blood changes in workers and their relationship, 87 workers in the factory for blood observations, the results are as follows. 1 surveyed the object and method 1.1 object contact group for the plant exposure to phenol workers 87, male 43, female 44; the oldest 52 years old, minimum 19 years old; average age of 27.2 years of age, 1 to 19 years of work, with an average of 5.9 year. In the meantime, 102 healthy people who did not contact with harmful factors were selected as controls;