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HAZARDOUS MATERIALS AWARENESS. Definitions. D.O.T. (Department of Transportation) Hazardous Material: Material that poses an unreasonable risk to the health and safety of response personnel, the public and or the environment. Definitions. OSHA (Occupational Safety & Health Administration )
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Definitions • D.O.T. (Department of Transportation) • Hazardous Material: Material that poses an unreasonable risk to the health and safety of response personnel, the public and or the environment.
Definitions • OSHA (Occupational Safety & Health Administration) • Hazardous Chemicals: Chemicals that present health or physical threats to workers.
Definitions • CERCLA (Comprehensive Environmental Response, Compensation and Liability Act) • Any substance listed under CERCLA 101 (14), 104 (a)(2), USDOT 49 CFR 172.101, and any Hazardous Waste. • This includes biological and disease causing agents.
Definitions • EPA (Environmental Protection Agency) • Extremely Hazardous Substance (EHS): Materials determined to be extremely hazardous to a community in the event of a spill or release, this is due to the inherent toxicity or severe physical hazard of the material.
Types of Emergencies • Hazardous Materials: • The hazard is the product. • Other Emergencies: • The emergency is the hazard
Placarding Requirements • Reportable Quantities (RQ’s) • Materials must be placarded when they are >1,001 pounds or 110 gallons. • There are five commodities that must be placarded in any quantity: • EXPLOSIVES “1”, “A & B” (1.1, 1.2, 1.3) • POISON GAS 2.3, or POISON “A” • FLAMMABLE SOLID DANGEROUS WHEN WET 4.3 • POISON (LIQUID) “6.1” “INHALATION HAZARD” • RADIOACTIVE III “7”
HAZ MAT CLASSES • Explosives Class “A”, “1.1”, “1.2” • Substances most likely to explode. • Examples: DYNAMITE, NITROGLYCERINE, DETONATING CORD. • HAZARDS: DETONATION, INSTANTANEOUS RELEASE OF HEAT & GASES. • PLACARDED IN ANY QUANTITY.
HAZ MAT CLASSES • Explosives Class “B”, “1.3” • Substance with deflagration / rapid combustion potential. • Examples: FLASH POWDERS, LIQUID ROCKET PROPELLANT. • HAZARDS: DEFLAGRATION. • PLACARDED IN ANY QUANTITY.
HAZ MAT CLASSES • Explosives Class “C”, “1.4” • Substances containing limited amounts of Class “A” & “B” (1.1 - 1.3) explosives. • Examples: SAFETY FUSES, PAPER CAPS, FIREWORKS, SMALL ARMS AMMUNITION. • HAZARDS: SAME AS 1.1 - 1.3 EXPLOSIVES DEPENDING UPON AMOUNT OF MATERIAL INVOLVED.
HAZ MAT CLASSES • Explosives Class “1.5” • Substances that are “relatively” insensitive. • Examples: ANFO (AMMONIUM NITRATE FUEL OIL). • HAZARD HAZARDS: MASS DEFLAGRATION.
HAZ MAT CLASSES • Explosives Class “1.6” • Substances that are extremely insensitive.
HAZ MAT CLASSES • Flammable Gases “2.1” • Gases that can burn when mixed with air and an ignition source. • Examples: METHANE, PROPANE, HYDROGEN. • HAZARDS: FIRE, BLEVE (BOILING LIQUID EXPANDING VAPOR EXPLOSION).
HAZ MAT CLASSES • Non - Flammable Gases “2.2” • Gases that do not burn. • Examples: Carbon dioxide, neon, helium, “ammonia”. • Hazards: Container failure (SHIT - Sudden Heat Induced Tear)
HAZ MAT CLASSES • Poison Gases “2.3” “Poison A” • Gases or vapors that are very dangerous to life. • Example: Cyanide gas, hydrocyanid acid, chlorine, diphosgene. • Hazards: Death, Toxicity. • Placarded in any quantity.
HAZ MAT CLASSES • Oxygen (liquefied state “2.2”). • Combustion enhancing commodity. • Examples: Oxygen. • Hazards: Enhances combustion, liquid extremely enhances combustion. • Placarded: Yellow with Flaming Ball.
HAZ MAT CLASSES • Flammable Liquids “3.0” • Liquids with a flash point below 141 F. • Examples: Gasoline, alcohol, acetone, pyrophoric liquids. • Hazards: Fire, toxicity, BLEVE.
HAZ MAT CLASSES • Combustible Liquids • Liquids with a flash point between 141 F and 200 F. • Examples: Pine oils, fuel oil, chlorinated solvents. • Hazards: Fire, toxicity, BLEVE.
HAZ MAT CLASSES • Flammable Solids “4.1” • Solids likely to cause fires through friction, retained heat, or are ignitable. • Examples: (1 Wetted explosives, 2 Self-reactive materials, 3 Readily Combustible solids) nitrocellulose, fuses, magnesium pellets. • Hazards: Fire, exothermic decomposition.
HAZ MAT CLASSES • Spontaneously Combustible Material “4.2” • Materials when exposed to air may burn. • Examples: (1 Pyrophoric meterial, 2 Self heating material) aluminum alkyls, white phosphorus, charcoal briquettes. • Hazards: Exposure of these materials to air can cause them to burst into flame, or to self heat to the point of igniting other materials.
HAZ MAT CLASSES • Dangerous When Wet Material “4.3” • Materials that react with water. (1 The reaction produces spontaneous flammability or, 2 The reaction produces flammable gas. • Examples: Sodium hydride, calcium carbide, potassium metal alloys. • Hazards: Use of water on these materials can cause unwanted reactions or increase fire spread.
HAZ MAT CLASSES • Oxidizers “5.1” • Materials that yield Oxygen (O2). • Examples: Chlorates, permanganates, nitrates. • Hazards: Can greatly increase combustion of flammable materials, also materials with these compounds have the potential to provide both the fuel and oxygen legs of the fire triangle.
HAZ MAT CLASSES • Organic Peroxides “5.2” • Materials containing surplus Oxygen plus a hydrocarbon. • Examples: Benzoyl peroxide, Methyl ethyl ketone peroxide. • Hazards: These “unstable” peroxides have the ability to detonate or deflagrate when contaminated, heated, or deteriorated.
HAZ MAT CLASSES • Poisonous Materials / Irritants “6.1” • Materials (other than gases) that are known or suspected to be either toxic or irritating to humans. • Examples: Parathion , potassium arsenate, tear gas, xylyl bromide. • Hazards: Exposure to these materials can cause anything from irritation to death. • If “Inhalation Hazard” then placarded in any quantity.
HAZ MAT CLASSES • Etiological Agents or Infectious Organisms “6.2” • Materials that pose a health threat to the public due to infectious abilities. • Examples: Anthrax, blood or body fluid contaminated equipment, AIDS, hepatitis. • Hazards: long term disability from the disease process.
HAZ MAT CLASSES • Radioactive Materials “7” • Radioactive I • Materials that give off >= 0.5 millirems/hr. on the outside of the container. • Examples: Chromium 51 • Hazards: Radiation exposure.
HAZ MAT CLASSES • Radioactive Materials “7” • Radioactive II • Materials that give off >= 0.5 but <= 1.0 millirems/hr. at 3 feet or less from the surface of the container. • Examples: Iodine 131 • Hazards: Radiation exposure
HAZ MAT CLASSES • Radioactive Materials “7” • Radioactive III • Materials that give off >= 50 millirems/hr. at container surface, or >= 1.0 millirems/hr. at 3 feet away from the container surface. • Examples: Cobalt 60, Strontium 90. • Hazards: Radiation exposure
HAZ MAT CLASSES • Corrosives “8” • Materials: Liquids or solids that can damage human tissue or steel on contact. • Examples: Sulfuric acid, hydrochloric acid, sodium hydroxide, potassium hydroxide. • Hazards: Damage to skin or metals by a corrosive effect.
HAZ MAT CLASSES • Miscellaneous Hazardous Materials “9” • Materials which could cause annoyance or discomfort to flight crew members, any material subjected to DOT requirements not covered by any other classification. • Examples: Adipic acid, polychlorinated bi-phenyls (PCB’s) molten sulfur. • Hazards: Various.
Haz Mat Classes - Other Regulated Materials (ORM’s) • ORM-A (“6.1”) • Materials with anesthetic, irritating or noxious properties. • Examples: Chloroform. • Hazards: Anesthetics, irritants, other types of annoyances.
Haz Mat Classes - Other Regulated Materials (ORM’s) • ORM-B (“8”) • Materials that can cause significant damage to transport vehicles (Aluminum) if released. • Examples: Metallic mercury, copper chloride. • Hazards: Poisoning, damage to container or transport.
Haz Mat Classes - Other Regulated Materials (ORM’s) • ORM-C (“9”) • Materials unsuitable for shipment unless properly packaged and identified. • Examples: • Hazards: Various.
Haz Mat Classes - Other Regulated Materials (ORM’s) • ORM-D • Materials that present with limited hazards. • Examples: Small arms ammunition, and consumer commodities. • Hazards: Various.
Haz Mat Classes - OtherRegulated Materials (ORM’s) • ORM-E (“9”) • Materials not otherwise specified elsewhere, Including hazardous wastes. • Examples: Hazardous wastes. • Hazards: Ignitability, corrosivity, reactivity, EPA toxicity, meets the TLEP (Toxic leachable extraction procedure).
HAZ MAT INDICATORS • Occupancies • Who is the primary occupant? • Industry, manufacturing, storage, business, residence, service, special. • What is the primary “product”? • Raw materials, finished foods, synthetics, plastics, chemicals, consumer goods, industrial goods, commercial products.
HAZ MAT INDICATORS • Location (s) Where Hazardous Materials Incidents may occur. • Roadways • Railways • Waterways • Airways • Pipelines • Fixed Facilities
HAZ MAT INDICATORS • Container Shapes and Size. • Boxes, drums, barrels, pails, cans, bottles. • Dewars, Cylanders, carboys, portable tanks, tote tanks. • Radioactive-fiberboard boxes, steel containers, lead or parafin lined containers • Intermodal containers, semi-trailers, dry bulk carriers, intermodal trailers. • Highway containers, railway containers.
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • MC 306 DOT 406 • Atmospheric pressure • Elliptical end profile • Rollover protection • Bottom mounted control box • Normally aluminum construction
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • MC 307 / DOT 407 • Low pressure <= 40 psi @ 70 F • Round or horseshoe end profile • Internal stiffeners • Often double shelled • Usually a single top manhole
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • MC 312 / DOT 412 • Pressure not exceeding 75 psi • Exterior stiffening rings • Circular end profile • Top loading and unloading stations • Exterior piping • “Corrosive carriers”
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • MC 331 • Pressure between 100-500 psi • Transports “liquefied” compressed gases • Circular cross sections • Hemispherical ends • Bolted manhole at upper rear of trailer • Bottom loading and unloading stations
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • Tube Trailers (High Pressure) • Pressures between 600-5,000 psi • Carry compressed gases • Usually several horizontal tubes
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • MC 338 • Cryogenic Liquid carriers • Contain liquefied gases • Large bulky tanks • Piping in flat rear section of the tank • Enclosed loading and unloading stations, rear or side.
HAZ MAT INDICATORS • Highway Cargo Tank Trailers • Dry Bulk Carriers • Normally don’t transport hazardous materials • V-shaped bottom outlets • Molten Product Carriers • Normally carry molten roducts (ie. sulfur) • Large insulated metal containers
HAZ MAT INDICATORS • Rail Cars • Box Cars • Constructed of steel and wood • Can transport almost any commodity • Often difficult to identify the specific commodity carried