石料破碎行业在印度等快速发展国家的经济和城市发展中起着至关重要的作用。印度的石矿和破碎机分布在主要城市周围，全国大约有50万人从事石矿和破碎机的工作。然而，这个创造就业机会的行业也恰好是产生灰尘最多的活动之一，也是呼吸系统疾病矽肺病的前兆。本研究的目的是估计该工业部门工人对二氧化硅粉尘的个人暴露。个人粉尘取样(n=11)和(n=6) 在印度特伦甘纳邦纳尔贡达区郊区的选定单位，分别在石头破碎和石头开采(采石场)地区进行了为期三天的连续研究。然后估计呼吸性粉尘暴露和游离二氧化硅含量。据观察，来自破碎单元的三(3)个破碎助剂样品的暴露量超过了1948年印度工厂法的允许极限值(PLV)。据观察，来自石材矿区的两(2)重型土方机械(HEMM)操作员超过了1952年印度矿业法及其后续规则规定的允许最大暴露限值(PMEL)。来自矿区的HEMM操作员和来自破碎机厂的破碎机助手的剩余样本被观察到在印度法定机构规定的各自准则的规定范围内。 Two different acts were considered, because of the fact that stone mining is regulated by the Indian mining act and under the overall control of Directorate of Mines and Safety (DGMS), Government of India. On the other hand Crusher plant comes under the ambit of Model Factory Rule 120 under section 87 of Indian Factories Act 1948 under the overall control of Directorate General Factory Service and Labour Institute (DGFASLI) Government of India. Post the study it could be concluded that, stone crushers are dustier as compared to stone mining area. Workers in stone mining and crushing units of study area are indeed exposed to high levels of respirable and silica laden dust. It was observed that safety and precautionary measures towards dust and silica exposure are not implemented necessitating to be taken by unit operators.