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DOL/MSHA RIN: 1219-AB12 Publication ID: Spring 1998 
Title: ●Respirable Crystalline Silica Standard 
Abstract: Existing respirable dust standards limit respirable dust when quartz (crystalline silica) is present. MSHA is considering a new standard specifying a separate exposure limit for silica (not tied to the respirable dust standard). This is in response to recommendations of the Advisory Committee on the Elimination of Pneumoconioses Among Coal Mine Workers who felt that separate standards for coal mine dust and for silica "should aid in targeting mining situations where silica exposure constitutes a significant hazard." 
Agency: Department of Labor(DOL)  Priority: Substantive, Nonsignificant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 30 CFR 70.101 et seq    30 CFR 90.101 et seq    30 CFR 71.101 et seq    30 CFR 72.101 et seq   
Legal Authority: 30 USC 811   
Timetable:
Action Date FR Cite
NPRM  12/00/1998    
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: None 
Small Entities Affected: Businesses 
Included in the Regulatory Plan: No 
Agency Contact: