Occupational Exposure to Respirable Crystalline Silica

Federal Register, Volume 78 Issue 177 (Thursday, September 12, 2013)

Federal Register Volume 78, Number 177 (Thursday, September 12, 2013)

Proposed Rules

Pages 56273-56504

From the Federal Register Online via the Government Printing Office www.gpo.gov

FR Doc No: 2013-20997

Page 56273

Vol. 78

Thursday,

No. 177

September 12, 2013

Part II

Department of Labor

-----------------------------------------------------------------------

Occupational Safety and Health Administration

-----------------------------------------------------------------------

29 CFR Parts 1910, 1915, and 1926

Occupational Exposure to Respirable Crystalline Silica; Proposed Rule