The semiconductor industry continues to advance, requiring new safeguards to address evolving hazards. Reorganized and with major revisions to the requirements for both gas-detection systems as well as smoke detection systems, NFPA 318: Standard for the Protection of Semiconductor Fabrication Facilities applies to semiconductor fabrication facilities and comparable R&D areas in which hazardous chemicals are used, stored, and handled -- containing a cleanroom or clean zone or both. - Newer version is available.