If material on fire or involved in fire: Do not extinguish fire unless flow can be stopped. Use water in flooding quantities as fog. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.
Evacuation: If fire becomes uncontrollable or container is exposed to direct flame, consider evacuation of one-half mile radius.
Stop flow of gas before extinguishing fire. Fight fire from protected location or maximum possible distance. Use water spray, dry chemical, foam, or carbon dioxide. Use water spray to keep fire-exposed containers cool. Use flooding quantities of water as fog.