48 CFR §223.7402
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Do not procure any fire-fighting agent that contains in excess of one part per billion perfluoroalkyl substances or polyfluoroalkyl substances. Procurements of fire-fighting agent for use solely onboard ocean-going vessels are exempt from this prohibition.