hazmat a basic introduction all images © microsoft corporation unless otherwise noted
TRANSCRIPT
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HAZMATHAZMAT
A Basic Introduction
All Images © Microsoft Corporation unless otherwise noted
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Sources of Hazardous Materials
• Chemical plants
• Service stations
• Hospitals
• Hazardous materials waste sites
• Transport vehicles
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Sensory Information
• What do you see? Hear? Smell?• Is there a vapor cloud?• Is there a fire?• Can you hear escape of a pressurized product?• Any unusual odors?• Are your eyes watering, burning?• Are there dead animals, birds, fish observable?
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During a Hazardous Materials Incident
• Leave the area!
• Report the incident.
• If hearing a warning, listen for instructions.
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During a Hazardous Materials Incident
• Stay away from the incident site.
• If outside, stay upstream, uphill, and upwind.
• If in a motor vehicle, stop and find shelter.
• If asked to evacuate, do so immediately.
• If requested, stay indoors—shelter in place.
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If Asked to Shelter in Place
• Get household members and pets inside.
• Close and lock exterior doors and windows.
• Turn off air conditioners and ventilation systems.
• Go to the pre-selected safe room.
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Post-incident Actions
• Do not return home until instructed.
• Open windows and vents and turn on fans.
• Follow decontamination procedures.
• Learn how to clean up land and property.
• Report any lingering hazards.
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Household Chemical Safety
• Read directions before using.
• Store in safe, secure location.
• Avoid mixing chemical products.
• Never smoke while using chemicals.
• Clean up spills immediately.
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During a Household Chemical Emergency
• If poison is consumed:– Find containers immediately.– Call poison-control center, follow instructions.
• If chemical gets into the eyes:– Follow emergency instructions on container.– Seek medical attention.
• If a fire or explosion occurs:– Evacuate residence immediately.– Move upwind to avoid breathing toxic fumes. – Call the fire department from outside.
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Symptoms of Poisoning
• Difficulty breathing
• Irritation of eyes, skin, throat, or respiratory tract
• Changes in skin color
• Headaches, blurred vision, dizziness
• Clumsiness or lack of coordination
• Cramps or diarrhea
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Effects of Exposure
• ACUTE - sharp or severe in effect; intense. An immediate issue like a burn.
• CHRONIC - having long had a disease, habit, weakness. Something that builds up over time or is long lasting in effect such cancer.
Definitions from Dictionary.com
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Routes of Exposure
•Inhalation•Absorption •Ingestion •Injection
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MSDS
Material Safety Data Sheet
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• Chemical information sheets that include chemical ID, physical characteristics, hazardous ingredients, health hazards, handling precautions, first aid, reactivity data and control procedures
• Must have a sheet for every hazardous chemical on site and must be accessible to every employee – even Burger World!
MSDS
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Labels
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NFPA Hazard Diamond
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NFPA 704
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Class 1: ExplosivesClass 2: GasesClass 3: Flammable LiquidsClass 4: Flammable SolidsClass 5: Oxidizing SubstancesClass 6: PoisonsClass 7: Radioactive Class 8: Corrosive Class 9: Miscellaneous
DOT Hazard Diamond
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Material ClassificationClass 1 - Explosive Hazards
• Explosions are very fast chemical reactions which release large quantities of gas.
• Explosives include:– sporting ammunition– blasting charges and detonators– fireworks
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Material ClassificationClass 2 - Compressed Gases• A compressed gas has a physical
hazard due to the increased pressure under which the chemical is maintained.
• Compressed gases include:– oxygen– nitrogen– compressed air– acetylene
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Material ClassificationClass 3 - Flammable Liquids• Flammable liquids, as the name
implies, are liquids which burn.• Flammable liquids include:
– gasoline– alcohols– solvents such as benzene
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Material ClassificationClass 4 - Other Flammable
Hazards• Other flammable hazards include:
– flammable solids– self-reactive substances– substances which, in contact with water,
emit flammable gases
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Material ClassificationClass 5 - Oxidizers/Organic
Peroxides• These are chemicals which will
accelerate combustion.• Examples include:
– sodium chlorate– hydrogen peroxide– methyl ethyl ketone
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Material ClassificationClass 6 - Toxic & Infectious
Agents
• Health hazards include those products and materials which have an adverse effect on humans and animals.
• Examples include:– pesticides– tissue/blood samples
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Material ClassificationClass 7 - Radioactive
Materials
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Material ClassificationClass 8 - Corrosives
• Corrosive materials will react chemically with steel, aluminum or skin.
• Examples include:– acids such as hydrochloric– alkaline materials such as
sodium hydroxide– gases such as chlorine and
ammonia
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Material ClassificationClass 9 - Miscellaneous
Hazards• Don’t readily fall into the other
categories.• Examples include:
– substances with noxious odor– substances which are magnetic– dry ice
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• Personal Protective Equipment (PPE) should be provided by employer
• PPE is not an excuse for poor planning or not taking necessary cautions
• Use of PPE does not eliminate the hazard so if the equipment fails then exposure occurs
• Must be worn to provide protection• Exposure is ALWAYS a risk!
Personal Protective Equipment
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Personal Protective Equipment
Images from National Pesticide Media Database at Virginia Tech
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PPE
• Goggles• Chem Suit• Chem Gloves• Hard hat w/ shield• Chem Boots• Optional
– Respirator– Rubber gloves under
Chem Gloves
Copyright © The Dow Chemical Company
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Light Chemical Suits - (Light to Moderate Protection: Level C / D )Used with a gas mask in non-dangerous atmospheres contaminated with dust, powders or some liquids
UltraShield$14.50
Micro-Max
$18.95
Tyvek$18.90
Tychem SL-B
$29.80
CPF® 1$29.50
Images from ApprovedGasMasks.com
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Images from ApprovedGasMasks.com
Chemical Protective Suits - (Moderate to High Protection: Level B / C )Used with a gas mask for cleanup or protection by civilians, police, and first responders
Type F$39.85
CPF® 2$47.50
Tychem SL
$49.80
Tychem BR$78.50
CPF® 3$98.50
TK165$116.80
CPF® 4 $118.50
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Images from ApprovedGasMasks.com
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HAZMAT ZonesHot Zone
Contamination Present
Appropriate PPE
Limited number of personnel
Everything inside considered contaminated
Warm Zone
Contamination Control Zone
Appropriate PPE
Decon Corridor
Life-Saving Emergency Care
Cold Zone
CP Location
Treatment/Transport Areas
Staging
Medical Monitoring/Rehab
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When in Doubt
• Use intuition
• Use senses
• Use common sense
• Time and Distance are your friends
• Call 911 – better safe than sorry
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HAZMATHAZMAT
A Basic Introduction
All Images © Microsoft Corporation unless otherwise noted