"MSA Portal Pack Self contained self rescuer" "MSHA United States Department of Labor Mine Safety and Health Administration" "NIOSH" "May 15 1992" "Part No. 496040" "Aproval Number TC - 13F- 283" Instructions on both sides of object condition Good measurement Instruction Sticker: color changing expiration sticker "Blue-Ready; Pink-Remove from service" "Blue-Ready; 1. Kneel - open apparatus 2. Extend breathing tube to activate oxygen 3. insert mouthpiece 4. put on nose clips" "Pink-Remove from service; 5. Put on goggles 6. Adjust neck and waist strap 7. Replace cap and lamp 8. Escape"