Tritium - The radioactive isotope of Hydrogen - allRadioactive
Tritium in Exit Signs | US EPA
Tritium and Photoluminescent Exit & Running Man Signs : Steel Fire Equipment
Tritium Non Electric Exit Sign- Self Luminous No Power or Maintenance – Exit Sign Warehouse
SRB Technologies (Canada) Inc. - Canadian Nuclear Safety Commission
Canadian Nuclear Safety Commission on X: "Tritium is used all around us, including: • in runway lights and glow-in-the-dark signage, like exit signs • as a tracer in biomedical and hydrogeological applications