APPENDIX D Occupational Safety and Health Administration Standard Interpretations 29 CFR 1910.6; 1910.147; 1910.147(c)(4)(ii) US Department of Labor Occupational Safety and Health Administration 200 Constitution Avenue, NW Washington, DC 20210 Standard Interpretations: 11/10/2004 ­ Recognition of ANSI/ASSE Z244.1-2003 ``Control of Hazardous Energy ­ Lockout/Tagout and Alternative Methods'' consensus standard [1] Standard Number: 1910.6; 1910.147; 1910.147(c)(4)(ii)