OSHA’s Temporary Worker Initiative (TWI) Bulletins 1-5 by Rebecca Morrison-Stoney | Sep 22, 2016 | News and Press OSHA Temporary Worker Initiative Bulletin 1 OSHA Temporary Worker Initiative Bulletin 2 OSHA Temporary Worker Initiative Bulletin 3 OSHA Safety and Health Training Bulletin 4 OSHA Temporary Worker Initiative Bulletin 5