This module is intended to supplement the EHS HAZWOPER Respirator training module and is designed for EHS emergency responders enrolled in the Respiratory Protection Program. This module explains the chemical cartridges that are used with EHS full face air purifying respirators and explains classes of chemicals that the cartridges are protective against and describes health hazard information regarding the different classes of chemicals described. If you have any questions in regards to this training or any other safety questions, please call Environment, Health and Safety at 919-962-5507. Download this training.