我们对八个乡办和村办的电镀厂进行了调查,厂龄1～25年,作业房间简陋,防护设施差,污水都未经处理而排放。八厂共有职工898人,接害779人,占职工总数的86.7％。工艺过程为:原件磨光-酸洗-镀合金—镀铬—抛光。磨光和抛光接触有害物质主要有金属尘、棉布尘。电镀接触有害物质为铬酸酐、氰化物、硫酸镍、氧化锌、强酸、强 We conducted a survey of electroplating factories run by eight township-run and village-owned factories, with a factory age of 1-25 years, poorly-equipped rooms, poor protective facilities and sewage disposal. Eight plant a total of 898 workers, killing 779 people, accounting for 86.7% of the total number of employees. Process is: the original polished - pickling - plating alloy - chrome - polishing. Polished and polished contact with harmful substances are mainly metal dust, cotton dust. Electroplating contact with harmful substances such as chromic anhydride, cyanide, nickel sulfate, zinc oxide, strong acid, strong