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VA VDFP HazMat Awareness & Operations Test Study Guide: Questions and Answers, Exams of Safety and Fire Engineering

Nova Southeastern University (NSU)Safety and Fire Engineering

This study guide provides a comprehensive overview of hazardous materials (hazmat) awareness and operations, focusing on key definitions, regulations, and safety procedures. It includes a series of questions and answers covering topics such as chemical abstract systems, terrorism, hazmat release consequences, emergency planning, material properties, toxicity, radiation, and transportation regulations. The guide is designed to help individuals prepare for hazmat awareness and operations tests.

Typology: Exams

2024/2025

Available from 03/17/2025

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VA VDFP HazMat Awareness & Ops
Test Study Guide.100%guaranteed
pass .Questions with complete
solutions.Latest update 2025
What is CAS? - The 2010 chemical abstract system registry that lists over 113
million chemicals
What is terrorism? - The systematic use of terror to coerce groups of people or
governments.
What is damaged caused to when hazmats are released uncontrolled from their
containers? - Life, critical systems, property and the environment
What is the second most effective means for reducing the impact of hazmat incidents
on a community? - Planning for them.
Emergency planning is required under which federal law? - Superfund amendments
and reauthorization act (SARA)
What are the 3 subchapters of the SARA regulations? - Title 1- emergency planning
and notification,
Title 2- reporting requirements
Title 3- general provisions
What is a gas? - Any material that has a boiling point of less than 68 degrees F
What is a liquid? - Any material that has a boiling point greater than 68 degrees F
What is a solid? - Any natural that has a melting point above ambient temperature
What is boiling point? - The boiling point of a liquid is the temperature at which it
changes into a gas or vapor at its max rate.
What are materials with low boiling points classified as? - Volatile. Which means they
give off large amounts of vapor.
What is vapor pressure? - The pressure the vapor of a liquid exerts on its container
when the vapor and liquid are in equilibrium
What kind of boiling points will high vapor pressure have and what kind will low vapor
pressure have? - High vapor pressure = low boiling points
Low vapor pressure = high boiling points
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VA VDFP HazMat Awareness & Ops

Test Study Guide.100%guaranteed

pass .Questions with complete

solutions.Latest update 20 25

What is CAS? - The 2010 chemical abstract system registry that lists over 113 million chemicals What is terrorism? - The systematic use of terror to coerce groups of people or governments. What is damaged caused to when hazmats are released uncontrolled from their containers? - Life, critical systems, property and the environment What is the second most effective means for reducing the impact of hazmat incidents on a community? - Planning for them. Emergency planning is required under which federal law? - Superfund amendments and reauthorization act (SARA) What are the 3 subchapters of the SARA regulations? - Title 1- emergency planning and notification, Title 2- reporting requirements Title 3- general provisions What is a gas? - Any material that has a boiling point of less than 68 degrees F What is a liquid? - Any material that has a boiling point greater than 68 degrees F What is a solid? - Any natural that has a melting point above ambient temperature What is boiling point? - The boiling point of a liquid is the temperature at which it changes into a gas or vapor at its max rate. What are materials with low boiling points classified as? - Volatile. Which means they give off large amounts of vapor. What is vapor pressure? - The pressure the vapor of a liquid exerts on its container when the vapor and liquid are in equilibrium What kind of boiling points will high vapor pressure have and what kind will low vapor pressure have? - High vapor pressure = low boiling points Low vapor pressure = high boiling points

What measurements are vapor pressure usually expressed in? - Millimeters of mercury (mmHg) or pounds per square inch (psi) What is specific gravity? - the ratio of the density of a substance to the density of water. Water = 1 What is vapor density? - Its the density of a gas in relations to air. Air What is solubility? - A materials ability to dissolve into water or another specific solvent. What is miscibility? - ability to be mixed or blended with another substance What is volatility? - The tendency of a chemical to vaporize or give off fumes What is toxicity? - The ability of a substance or hazardous material to cause injury to biological tissue. What is a poison? - A substance that is toxic at extremely low levels What is an asphyxiant? - A substance that interferes with the oxygenation of tissue Describe irritants - A substance that causes a localized inflammatory reaction on contact Describe sensitizers/allergens - A substance that causes an allergic reaction What is a convulsant? - A substance that causes convulsions or involuntary muscle contractions What are carcinogens? - a substance capable of causing cancer in living tissue. What are mutagens? - Substance that cause changes in the DNA structure of living organisms, causing mutations Describe teratogens - A substance that can cause developmental abnormalities in fetuses What are pathogenic materials? - A substance that can cause illness or death by bacterial agents, viral agents, toxins Inhalation route? - Respiratory system Absorption route - Permeable tissue such as skin and eyes Ingestion route - By way of the mouth and the digestive system Injection route - Directly into the body and bloodstream by mechanical means

Neutron particles are - Neutrons ejected from the nucleus of an atom. Usually seen in nuclear materials that have undergone fission or fusion. Not common outside power plant activity. What is gamma radiation? - Gamma rays - waves of electromagnetic radiation - are released by the nucleus

  • They penetrate far into materials without being stopped and travel a long distance through air
  • When they finally hit something, they'll do damage
  • They can be absorbed by thick sheets of lead or metres of concrete What are consumer commodities? - Materials packaged in small quantity containers for household or small scale use Hazard ratings are defined in which us transportation regulation - 49 CFR Flammable liquids vs combustible liquids - Flammable liquids have a boiling point of greater than 68 degrees and a flash point of not more than 141 degrees. Combustible liquids do not meet definition of any other class and have flash point between 141 & 200 What are flammable solids - Any material except explosives that can be readily ignited and will burn intensely and persistently and cause a transportation hazard What are desensitized explosives - Explosives that have been wetted to Express the explosive properties What are self reacting solids - Thermally unstable and may undergo a strongly exothermic decomposition without participation of oxygen What are readily combustible solids - Materials that cause fire through friction, burn faster than 2.2 mm per sec or any metal powder that can be ignited What are spontaneously combustible materials - A material that are air reactive Describe pyrophoric materials - A liquid or solid that when in contact with air and without an external ignition source can be ignited within 5 minutes. What is specific activity? - The amount of radioactivity per unit volume What is a fissile material? - A fuel grade radioactive material which means it is capable of undergoing a nuclear chain reaction. Where are product labels found - Attached to the individual chemical container. Describes contents of package When are DANGEROUS placards displayed? - When there are 2 or more table 2 commodities that are in non-bulk packages loaded on the transport vehicle

What is the STCC number? - Standard transportation commodity code number are ID #s assigned by the association of American railroads/bureau of explosives Where is the NFPA-704 marking system usually found - Designed for use primarily on fixed facilities What 4 hazards does the nfpa 704 placard show and what are the ratings? - Heath, fire, reactivity and special. Rating is 1-4 with 4 being the worst level of hazard. What are the 6 types of shipping pairs - Highway = Bill of Lading Rail = Way Bill & Consist Air = Air Bill Marine = Dangerous Cargo Manifest Highway Rail Marine = Hazardous Waste Manifest What's the difference between a Consist & a Way bill? - A consist is a list of all the equipment that makes up a train. A Way Bill follows an individual car and its contents What are MSDS sheets? - They are chemical reference sources found in industrial settings. What does OSHA 29 CFR require? - Requires MSDS to contain 8 specific info sections. What are intermodal containers? - Containers that can be moved from one mode of transportation to another. What are the radiological packaging types in order of least strong to most? - Excepted packaging (materials with extremely low levels) Industrial packaging (limited hazard low levels) Type A packaging (higher levels than first two types) Type B packaging (highly radioactive( Type C packaging (same level as type B but used on aircrafts.) What is the general hazardous materials behavior model? - A tool used to ID the current status of an incident and also to predict potential future events that may transpire during the incident The general hazmat behavior model is made up of 6 events - Stress > Breach > Release > Engulf > Impinge > Harm Disintegration - Total loss of the container integrity caused by internal or external energy Runaway Linear Cracking - When a container is stressed and weakens due to metal fatigue. Internal pressure exceeds recovery point and results in a rapidly growing crack

NFPA 1994 - Standard on Protective Ensembles for First Responders to chemical/ biological terrorism Incidents What is detection? - The process by which an emergency responder discovers the presence of a containment in an area What is monitoring? - The process by which emergency responders measure the amount of material present in an area at a certain time What is concentration - The amount of material in a given volume What are action levels? - Administrative reference points used during an incident What are CGIs? - Combustible gas indicators are used to determine the flammability of vapors in an atmosphere What do electrochemical cells sensors detect? - The presence of specific chemicals such as oxygen, hydrogen and others Materials that emit radiation are called? - Radioactive materials Most dangerous type of radiation? - Gamma rays Caustic soda and potassium hydroxide are examples of what? - Bases Substances that ignite when combined create a what? - A hypergolic reaction Where will a chemical with a vapor density greater than one collect? - Low areas What is liquids ability to mix with water called? - Solubility What is a reaction that is associated with over pressurization of a closed container and occurs at a rate of 1 second or less - Violent rupture _________ is a release that results of a broken or damaged valve - Rapid relief What type of material ignites when they contact each other? - Hypergolic What might corrosive materials cause? - Chemical burns and tissue burns When does local effect occur? - At the point of contact with a hazardous material Carbon monoxide is classified as? - A chemical asphyxisant Vapors that attack mucus membranes are? - Irritants Materials such as lithium and finely divided magnesium are reactive with what? - Water

True or false? If you are exposed to a hazardous material you are contaminated - False Blood agents such as arsine are what class? - 2. Vesicants/blister agents such as nitrogen mustard are what class? - 6. True or false? Vapor pressure of a substance at 100° are always higher than the same substance at 68°? - True What class are nerve agents in? - 6. What is the 1st tactical priority during hazmat incident? - Exposure protection Remote shutoffs... - Are well marked and in easy to find locations Near the entrance in fixed facilities At the valve controls or behind drivers door in vehicles What is use of foam limited to? - Combustible materials What is confinement? - The procedures taken to keep a material in a defined or local area