1-Use internet and identify a recent EHS report about occupational accident case occurred between 2015-2020, in which poor ventilation play the primary role. Provide me the following information: company name, how many workers affected (deaths and or illnesses), what hazards, why ventilation is a primary problem, and website or article link.
2-Please list the hazards producing during abrasive blasting that need/ can be controlled using ventilation.
3-According to OSHA regulation, if the wheel (or disc) diameter for grinding, polishing, and buffing operations is increased, how should the minimum exhaust volume be changed? (Hint: table G 4-4)
4-Please define exhaust ventilation system
5-What is the ANSI Z9.2 that is adopted by OSHA?
6-Please define respirable dust