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DOL/MSHA RIN: 1219-AB00 Publication ID: Fall 1997 
Title: Safety Standards for Roof Bolts in Metal and Nonmetal Mines and Underground Coal Mines 
Abstract: MSHA is revising its safety standards for metal and nonmetal mines and underground coal mines to reference the 1995 ASTM standard for roof bolts and accessories (ASTM F432-95). The new standard reflects technological advances in the design of roof and rock bolts and support materials and would improve the level of protection provided to miners. The safety standards for ground control and roof control at mines currently require that mine operators obtain a certification from the manufacturer that rock bolts and accessories are manufactured and tested in accordance with an American Society for Testing and Material (ASTM) publication "Standard Specification for Roof and Rock Bolts and Accessories." MSHA regulations reference the 1983 revision (ASTM F432-83) for metal and nonmetal mines and the 1988 revision (ASTM 432-88) for coal mines. The ASTM standard is a consensus standard used throughout the United States. It contains specifications for the chemical, mechanical, and dimensional requirements for roof and rock bolts and accessories used for ground support systems. 
Agency: Department of Labor(DOL)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 30 CFR 56    30 CFR 57    30 CFR 75   
Legal Authority: 30 USC 811    30 USC 957    30 USC 961   
Timetable:
Action Date FR Cite
NPRM  04/28/1997  62 FR 22998   
NPRM Comment Period End  07/14/1997  62 FR 35113   
Final Action  04/00/1998    
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: None 
Small Entities Affected: Businesses 
Included in the Regulatory Plan: No 
Agency Contact:
Patricia W. Silvey
Director, Office of Standards, Regulations, and Variances
Department of Labor
Mine Safety and Health Administration
Room 631, 1100 Wilson Boulevard, Room 2350,
Arlington, VA 22209-3939
Phone:202 693-9440
Fax:202 693-9441
Email: silvey.patricia@dol.gov