Keywords: SR-100-Self-Contained-Self-Rescuers.jpg Self-contained self-rescue device self-contained self-rescuer SCSR devices in the opened left and unopened right states The original photo was retouched by the Wikimedia Commons user Gazebo OSHA ALERT OA-3541 //www osha gov/Publications/osha-alert-oxygen pdf Loss of Start-Up Oxygen in CSE SR-100 Self-Contained Self-Rescuers page 1 April 2012 from the //www osha gov/ US Occupational Safety and Health Administration US Occupational Safety and Health Administration 2012-04 See below Gazebo PD-USGov-DOL Filterselbstretter |