Hazmat awareness chapter 1-4 Exam Questions And Answers
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Course
Hazmat
Institution
Hazmat
NFPA - ANS National Fire Protection Association
acute - ANS Single exposure or several repeated exposures to a substance in a short period of time. Effects appear within hours or days
chronic - ANS Long term; Reoccurring. Small doses over a long period of time. Human b...
Hazmat awareness chapter 1-4 Exam
Questions And Answers
NFPA - ANS National Fire Protection Association
acute - ANS Single exposure or several repeated exposures to a substance in a short
period of time. Effects appear within hours or days
chronic - ANS Long term; Reoccurring. Small doses over a long period of time. Human
body is more equipped to deal with chronic exposure
Routes of entry - ANS pathways into the body, generally by absorption, ingestion, injection,
or inhalation
Inhalation - ANS Breathing hazardous materials in through the nose or mouth
Ingestion - ANS Eating or swallowing hazardous materials through your mouth
Absorption - ANS Process of taking in materials through skin or eyes
injection - ANS Process of taking in materials through puncture of skin
3 mechanisms of harm - ANS Energy release, corrosivity, and toxicity
Energy release - ANS Greatest threat at hazmat instances; heat, mechanical, pressure,
electrical, chemical, radiation
Corrosivity - ANS Chemicals that destroy or burn living tissues, have destructive effects by
virtue of their corrosivity
Toxicity - ANS Chemicals or biological substances that cause sickness, illness, or injury by
doing damage on the molecular scale
5 basic types of containers - ANS 1. Excepted
2. Industrial
3. Type A
4. Type B
5. Type C
, Excepted - ANS Only used to transport materials with very extremely low levels of
radioactivity that present no risk to the public or environment
Industrial - ANS Container that retains and protects contents during normal transport
activities such as lab samples and smoke detectors
Type A - ANS Packages that must demonstrate ability to withstand series of tests without
releasing contents
Type B - ANS Packages must demonstrate ability to withstand stimulating normal shipping
conditions, must also withstand severe accident conditions without releasing contents
Department of Transportation (DOT) - ANS Issues transportation regulations and title 49
code of federal regulations, sometimes referred to as hazardous materials regulations
Department of Labor (DOL) - ANS Occupational safety and health administration, part of
DOL, issues with legislation relating to worker safety under title 29 CFR
Nuclear Regulatory Commission (NRC) - ANS Standards for protection against radiation,
regulates US commercial nuclear power plants, civilian use of nuclear materials, possession,
storage, and transfer of radioactive materials
Pre-incident plans - ANS First responders may need to make decisions quickly and
accurately. Plans can simplify and reduce on-site decisions. Reduces oversight, confusion, effort
duplication, and results in desirable outcome
Pressure containers - ANS Compressed gas cylinders; has the potential to release great
deal of energy if involved in an accident
Cryo-genic containers - ANS Designed to store and transport cryogen's. Cryogen is a gas
that sometimes turns into a liquid at or below -130°F (-90°C) at 14.7 psi (101kPa)
Liquid containers - ANS Common liquid containers include bottles, gasoline containers,
paint pails, and drums. At fix facilities, liquid can be stored in containers that hold many millions
of gallons (liters)
Solids containers - ANS Many containers used to hold liquids may also be used for solids,
such as drums and bottles. Small airborne particles that burn but may otherwise be harmless,
can be dangerous if ignited in enclosed location, causing dust explosion. Grain, flour, sugar,
coal, metal, and sawdust are examples
Radioactive materials containers - ANS Five basic types of containers, listed from least
radioactive hazard to greatest
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