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MSHA Quartz Samples

Published by Mine Safety and Health Administration | Department of Labor | Metadata Last Checked: January 21, 2026 | Last Modified: 2025-12-15T13:49:55.219Z
Lists all operator and inspector dust samples taken. It includes information such as cassette numbers, date the sample was taken, quartz percentage, sample type, occupation codes related to the person or area sampled and mine information. Cassette number is the primary key for this dataset and it can be linked to the Mines dataset using Mine ID for further mine information.

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