#	Federal Register
1	05/04/2015 - 1926.351 - 80:25365-25526 - Confined Spaces in Construction; Final Rule - PDF
2	10/07/1983 - 1926.351 - 48:45881 - Welding

#	Standard Interpretations
1	04/30/2010 - 1926.351, 1926.351(d)(1) - Interpretation of "unattended" in 29 CFR 1926.351(d)(1) with regard to electrode holders.
2	04/30/2010 - 1926.351, 1926.351(a), 1926.351(b), 1926.351(c), 1926.351(d) - Use of portable arc welding machines in inclement weather.
3	04/02/1993 - 1926.351 - Frame grounding of arc welding machines.
4	12/10/1979 - 1926.351 - Propane pre-heaters used to pre-heat steel in field construction.

#	Regulations
1	03/14/2001 - 1926.351 - Arc welding and cutting.