# Federal Register
1 - 84:41667-41670 - Occupational Exposure to Respirable Crystalline Silica--Specified Exposure Control Methods - PDF
# Regulations
1 - 1926.1153(c) - Respirable crystalline silica.
# Standard Interpretations
1 - 1926.1153(c) - Interim Enforcement Guidance for the Respirable Crystalline Silica in Construction Standard, 29 CFR 1926.1153