# Federal Register
1 - 78:56273-56504 - Occupational Exposure to Respirable Crystalline Silica; Proposed Rule - PDF
# Regulations
1 - 1910.141(e) - Sanitation.
# Standard Interpretations
1 - 1910.141(e) - Clarification of the Chromium (VI) Standard - Change Rooms and Hygiene Practices.