华新水泥厂主要生产原料(砂页岩)含二氧化硅70%以上,全厂有八百多名职工长年累月接触粉尘。由于在完成国家生产计划的同时,坚持安全生产、治理粉尘,近五年来没有发生死亡事故,千人负伤率由1981年的1.87下降到7984年的0.69;扬尘合格率由1980年的70.7%上升到1984年的82.89%;排放点合格率由1980年的57.7%上升到1984年82.14%。1959年以来接尘二十五年的工 Huaxin Cement Plant mainly produces raw materials (sand shale) containing more than 70% of silica, the whole plant more than 800 workers contact dust over many years. As the completion of the state production plan, we insisted on safe production and dust control, and no fatal accidents occurred in the past five years. The injury rate per thousand dropped from 1.87 in 1981 to 0.69 in 1998, and the passing rate of dust increased from 70.7% in 1980 To 82.89% in 1984; the passing rate of emission points increased from 57.7% in 1980 to 82.14% in 1984. Twenty-five years since 1959 workers dust