MSHA Quartz Samples

Lists all operator and inspector dust samples taken. It includes information such as cassette numbers, date the sample was taken, quartz percentage, sample type,...本数据集收录全部已采集的操作人员与巡检人员粉尘采样样本，包含滤盒编号（cassette numbers）、采样日期、石英含量百分比、样本类型等相关信息。