#	Regulations
1	05/25/2012 - - Hazardous waste operations and emergency response.

#	Letters of Interpretation
1	03/03/2008 - 1910.120(f) - Clarification of whether an employee can opt out of medical surveillance examinations under the HAZWOPER standard, 29 CFR 1910.120.
2	01/15/1999 - 1910.120(f) - Comparing medical evaluation requirements in the HAZWOPER, Respiratory protection, and Fire brigades standards.
3	08/20/1991 - 1910.120(f), 1910.120(f)(3) - Training requirements of Hazwoper for various functions.
4	07/28/1989 - 1910.120(f) - Application of OSHA's final standard for Hazardous Waste Operations and Emergency Response.