Guide
1. What is CAS?: The 2010 chemical abstract system registry that lists over 113 million
chemicals
2. What is terrorism?: The systematic use of terror to coerce groups of people or governments.
3. What is damaged caused to when hazmats are released uncontrolled from their containers?: Life,
critical systems, property and the environment
4. What is the second most effective means for reducing the impact of hazmat incidents on a
community?: Planning for them.
5. Emergency planning is required under which federal law?: Superfund amendments and
reauthorization act (SARA)
6. What are the 3 subchapters of the SARA regulations?: Title 1- emergency planning and
notification,
Title 2- reporting requirements Title 3-
general provisions
7. What is a gas?: Any material that has a boiling point of less than 68 degrees F
8. What is a liquid?: Any material that has a boiling point greater than 68 degrees F
9. What is a solid?: Any natural that has a melting point above ambient temperature
10.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.
11.What are materials with low boiling points classified as?: Volatile. Which means they give
off large amounts of vapor.
12.What is vapor pressure?: The pressure the vapor of a liquid exerts on its container
when the vapor and liquid are in equilibrium
13.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
14.What measurements are vapor pressure usually expressed in?: Millimeters of mercury (mmHg)
or pounds per square inch (psi)
15.What is specific gravity?: the ratio of the density of a substance to the density of water.
Water = 1
16.What is vapor density?: Its the density of a gas in relations to air. Air
17.What is solubility?: A materials ability to dissolve into water or another specific solvent.
18.What is miscibility?: ability to be mixed or blended with another substance
19.What is volatility?: The tendency of a chemical to vaporize or give off fumes
20.What is toxicity?: The ability of a substance or hazardous material to cause injury to
biological tissue.
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, VA VDFP HazMat Awareness & Ops Test Study
Guide
21.What is a poison?: A substance that is toxic at extremely low levels
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