Ammonium Nitrate (alias of 0222)

CAS RN:6484-52-2

DOT Emergency Guidelines

GUIDE 140
OXIDIZERS
POTENTIAL HAZARDS
FIRE OR EXPLOSION
· These substances will accelerate burning when involved in a fire.
· Some may decompose explosively when heated or involved in a fire.
· May explode from heat or contamination.
· Some will react explosively with hydrocarbons (fuels).
· May ignite combustibles (wood, paper, oil, clothing, etc.).
· Containers may explode when heated.
· Runoff may create fire or explosion hazard.
HEALTH
· Inhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death.
· Fire may produce irritating, corrosive and/or toxic gases.
· Runoff from fire control or dilution water may cause pollution.
PUBLIC SAFETY
· CALL EMERGENCY RESPONSE Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.
· As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
· Keep unauthorized personnel away.
· Stay upwind, uphill and/or upstream.
· Ventilate closed spaces before entering.
PROTECTIVE CLOTHING
· Wear positive pressure self-contained breathing apparatus (SCBA).
· Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
· Structural firefighters' protective clothing will only provide limited protection.
EVACUATION
Large Spill
· Consider initial downwind evacuation for at least 100 meters (330 feet).
Fire
· If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.
In Canada, an Emergency Response Assistance Plan (ERAP) may be required for this product. Please consult the shipping document and/or the Canada and United States National Response Centers reference document.
EMERGENCY RESPONSE
FIRE
Small Fire
· Use water. Do not use dry chemicals or foams. CO2 or Halon® may provide limited control.
Large Fire
· Flood fire area with water from a distance.
· Do not move cargo or vehicle if cargo has been exposed to heat.
· Move containers from fire area if you can do it without risk.
Fire involving Tanks or Car/Trailer Loads
· Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
· Cool containers with flooding quantities of water until well after fire is out.
· ALWAYS stay away from tanks engulfed in fire.
· For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn.
SPILL OR LEAK
· Keep combustibles (wood, paper, oil, etc.) away from spilled material.
· Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.
· Stop leak if you can do it without risk.
· Do not get water inside containers.
Small Dry Spill
· With clean shovel, place material into clean, dry container and cover loosely; move containers from spill area.
Small Liquid Spill
· Use a non-combustible material like vermiculite or sand to soak up the product and place into a container for later disposal.
Large Spill
· Dike far ahead of liquid spill for later disposal.
· Following product recovery, flush area with water.
FIRST AID
· Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.
· Move victim to fresh air.
· Call 911 or emergency medical service.
· Give artificial respiration if victim is not breathing.
· Administer oxygen if breathing is difficult.
· Remove and isolate contaminated clothing and shoes.
· Contaminated clothing may be a fire risk when dry.
· In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes.
· Keep victim calm and warm.
ERG 2016

Find more information on this substance at: Hazardous Substances Data Bank , TOXMAP , TOXNET , PubMed