Noncombustible Material 17 : In facilities handling radioactive materials, a material not capable of igniting and burning when subjected to fire conditions as defined in an approved fire test
NFPA 801 Standard for Fire Protection for Facilities Handling Radioactive Materials, 2008 ed. https://www.nfpa.org/Assets/files/AboutTheCodes/80 1/FIF-AAA_ROPagenda_6-11.pdf, (Std: Fr Prac for Faclty Hndlg Radioactive Mtrls - Amer) {348 NFC}