# Federal Register
1 - 1910.141(d)(2) - 78:56273-56504 - Occupational Exposure to Respirable Crystalline Silica; Proposed Rule - PDF
# Letters of Interpretation
1 - 1910.141(d)(2)(iv) - Whether a pH buffer solution can be used as a cleansing agent for employees who work with portland cement
2 - 1910.141(d)(2)(iii) - Whether a pH buffer solution can be used as a cleansing agent for employees who work with portland cement
3 - 1910.141(d)(2)(ii) - Whether a pH buffer solution can be used as a cleansing agent for employees who work with portland cement
4 - 1910.141(d)(2)(i) - Whether a pH buffer solution can be used as a cleansing agent for employees who work with portland cement
5 - 1910.141(d)(2), 1910.141(d)(2)(i), 1910.141(d)(2)(ii), 1910.141(d)(2)(iii), 1910.141(d)(2)(iv) - Whether a pH buffer solution can be used as a cleansing agent for employees who work with portland cement
6 - 1910.141(d)(2)(iv) - Use of paper towels instead of electric blow dryers in public restrooms.
# Regulations
1 - - Sanitation.