2. If there is suitable separation between non-explosive and symbol 1 materials and if approved by the fire chief, firefighting forces may attempt to extinguish the fire.

3. If personal safety is in doubt, take suitable cover. (see paragraph 4-4.1.1 of NAVSEA OP5 volume 1 sixth revision)

2. Firefighting forces should fight the fire. If not possible, prevent the spreading of the fire.

3. Detonations of the items could occur. Provide protection from fragments. (Withdraw distance is 2,500 feet)

2. If WP munitions are involved, smoke is liberated. a) WP munitions may explode. b) Phosphorus should be immersed in water or sprayed with water continuously.

3. For fires involving HC and incendiaries. a) Water should not be used unless large quantities are available. b) Use dry sand or dry powder agent in the early stage.

4. For fires involving pyrotechnics and incendiaries. a) Protect adjacent buildings and magazines. b) Do not use CO2 or Halon extinguishers or water. c) Allow magnesium to cool unless upon flammable material. In this case, use a 2-inch layer of dry sand or powder on the floor and rake the burning material onto this layer and resmother. (Withdraw distance is 600 feet, inhabited building distance for quantities greater than 500,000 lbs. NEW).

2. Expect minor explosions and hot fragments.