Chlorpyrifos

If material is on fire or involved in a fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn, or burns with difficulty.) Keep runoff water out of sewers and water sources. /Other regulated substances, solid, NOS/

If material on fire or involved in fire: Use water in flooding quantities as fog. Extinguish fire using agent suitable for type of surrounding fire (Material itself does not burn or burns with difficulty.). Use foam, dry chemical, or carbon dioxide. /Organophosphorus pesticides, liquid, NOS/

If material on fire or involved in fire: Use water in flooding quantities as fog. Extinguish fire using agent suitable for type of surrounding fire (Material itself does not burn or burns with difficulty.). Use foam, dry chemical, or carbon dioxide. /Organophosphorus pesticides, solid, NOS/

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.