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City of Santa Ana Emergency Operations Plan
<br />Part I Basic Plan
<br />2.4.14 Hazardous Materials
<br />Hazardous Materials Defined
<br />Various definitions of hazardous materials exist among different regulatory or response agencies. The National
<br />Fire Protection Association defines hazardous materials as "Any solid, liquid, gas, or mixture thereof that can
<br />potentially cause harm to the human body through respiration, ingestion, skin absorption, or contact."
<br />A hazardous material is defined in California's State Hazardous Materials Incident Contingency Plan as "A
<br />substance or combination of substances which, because of quantity, concentration, physical, chemical, or
<br />infectious characteristics may cause or significantly contribute to an increase in deaths or serious illnesses; and/or
<br />pose a substantial present or potential hazard to humans or the environment."
<br />The California Health and Safety Code Section 25501.m defines hazardous materials as "Any material that,
<br />because of its quantity, concentration, or physical or chemical characteristics, poses a significant present or
<br />potential hazard to human and environmental health and safety if released into the workplace or the environment."
<br />Types or Examples of Hazardous Materials
<br />The U.S. Department of Transportation regulates the transportation of hazardous materials and categorizes them
<br />into nine classes, which include:
<br />Class
<br />Title
<br />Common Examples
<br />Common Effects
<br />1
<br />Explosives
<br />Dynamite, TNT, Blasting agents, Nitro-
<br />Explosion, blast or projectile hazards
<br />glycerin, Fertilizers
<br />2
<br />Flammable and Toxic
<br />Refrigerants, Butane, Propane, Carbon
<br />Fire, explosion; burns to skin, lungs, eyes or
<br />Gases
<br />Dioxide, Insecticides, Liquefied Petroleum
<br />other tissues; asphyxiation or suffocation
<br />Gas
<br />3
<br />Flammable and
<br />Gasoline, Diesel, Ethanol, Paints, Crude
<br />Fire; explosion; burns to skin, lungs, eyes or
<br />Combustible Liquids
<br />Oil/Petroleum, Solvents, Cleaners
<br />other tissues; asphyxiation or suffocation
<br />4
<br />Flammable Solids,
<br />Phosphorous, Sulfur, Flammable Metals
<br />Fire, explosion, explosion on contact with water;
<br />Spontaneously
<br />(Lithium, Aluminum, Magnesium, Zinc)
<br />burns to skin, lungs, eyes or other tissues;
<br />Combustible Materials
<br />asphyxiation or suffocation; spontaneous re -
<br />and Water -Reactive
<br />ignition
<br />Substances
<br />5
<br />Oxidizing Substances
<br />Hydrogen Peroxide, Ammonium Nitrate
<br />Fire; explosion, explosion on contact with water;
<br />and Organic Peroxides
<br />Fertilizers, Lithium Ion batteries
<br />accelerated combustion; burns to skin, lungs,
<br />eyes or other tissues; asphyxiation or
<br />suffocation
<br />6
<br />Toxic and Infectious
<br />Arsenic, Cyanides, Disinfectants, Lead,
<br />Fire, explosion, explosion on contact with water;
<br />Substances
<br />Mercury, Herbicides, Pesticides, Disease
<br />burns to skin, lungs, eyes or other tissues;
<br />Organisms, Medical Waste
<br />asphyxiation or suffocation; exposure to
<br />infectious diseases
<br />7
<br />Radioactive Materials
<br />Nuclear Fuel, Nuclear Waste, Medical
<br />Exposure to radiation, burns
<br />Waste
<br />8
<br />Corrosive Substances
<br />Acids, Bases, Alkalis, Solvents, Cleaners,
<br />Burns to skin, lungs, eyes or other tissues;
<br />Industrial/Research chemicals
<br />corrodes or dissolves other materials
<br />9
<br />Miscellaneous
<br />Various
<br />Low to moderate hazard
<br />109
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