对某电石厂直接接触氯气作业工人79人和不接触氯气的其它人员62人进行了调查。两组成员性别、年龄、工龄构成相似。调查结果:车间空气中氯气测定,电解操作室、氯气干燥操作室和液氯包装3个岗位连续,8年的均值皆不超标。体检结果:①症状中接触组鼻塞流涕、嗅觉减退、咽痛和咽部异物 A direct inspection of a calcium carbide factory workers chlorine workers and non-contact with chlorine 62 other personnel were investigated. Two groups of members of similar gender, age, length of service composition. Findings: The workshop air chlorine determination, electrolysis operation room, chlorine drying operation room and liquid chlorine packaging 3 positions in a row, 8-year average are not exceeded. Physical examination results: ① symptoms of contact group nasal congestion runny nose, loss of smell, sore throat and pharyngeal foreign body