The following were the top 10 safety and health topics raised in telephone calls handled by OSHA's Directorate of Enforcement Programs in December 2012:

1. Bloodborne pathogens (29 CFR 1910.1030) [related OSHA Safety and Health Topics page]
2. Hazard communication (29 CFR 1910.1200) [related OSHA Safety and Health Topics page]
3. Indoor air quality [related OSHA Safety and Health Topics page]
4. Powered industrial trucks (29 CFR 1910.178) [related OSHA Safety and Health Topics page]
5. Personal protective equipment, general requirements (29 CFR 1910.132) [related OSHA Safety and Health Topics page]
6. Sanitation (29 CFR 1910.141)
7. Respiratory protection (29 CFR 1910.134) [related OSHA Safety and Health Topics page]
8. Guarding floor and wall openings and holes (29 CFR 1910.23) [related OSHA Safety and Health Topics page]
9. Air contaminants (29 CFR 1910.1000) [related OSHA Safety and Health Topics page]
10. Medical services and first aid (29 CFR 1910.151) [related OSHA Safety and Health Topics page]

The following were the top 10 safety and health topics raised in e-mail questions handled by OSHA's Directorate of Enforcement Programs in December 2012:

1. Indoor air quality [related OSHA Safety and Health Topics page]
2. Personal protective equipment, general requirements (29 CFR 1910.132) [related OSHA Safety and Health Topics page]
3. Sanitation (29 CFR 1910.141)
4. Hazard communication (29 CFR 1910.1200) [related OSHA Safety and Health Topics page]
5. Bloodborne pathogens (29 CFR 1910.1030) [related OSHA Safety and Health Topics page]
6. Ergonomics [related OSHA Safety and Health Topics page]
7. Respiratory protection (29 CFR 1910.134) [related OSHA Safety and Health Topics page]
8. Medical services and first aid (29 CFR 1910.151) [related OSHA Safety and Health Topics page]
9. Powered industrial trucks (29 CFR 1910.178) [related OSHA Safety and Health Topics page]
10. Guarding floor and wall openings and holes (29 CFR 1910.23) [related OSHA Safety and Health Topics page]