Atmospheres with oxygen levels lower than this value are considered oxygen deficient
What is 19.5%
100
This level of chemical protective clothing includes a hooded one or two-piece chemical-splash suit and a positive pressure SCBA or supplied air respirator with escape SCBA
What is Level B
100
This term describes a chemical's ability to dissolve in water.
What is solubility
100
List the four common ways that chemicals can enter the body.
What is Inhalation, Absorption, Ingestion, Injection
100
Name the work zone that should remain uncontaminated throughout the site remediation.
What is the support zone or the cold zone?
200
This phrase is used to describe air monitoring instruments that give results almost immediately.
What are direct reading instruments?
200
List two places where chemicals are likely to penetrate chemical protective clothing.
What are Seams, Zippers, Joints, Tears in clothing
200
Name three ingredients that must be present in order for a fire to occur.
What is Fuel, Oxygen or Oxidizer, Ignition source
200
This term is used to describe chemicals which interfere with the body's ability to use oxygen.
What is and asphyxiant?
200
This work practice found in the "definition section" of the HAZWOPER Standard requires the workers using PPE not work alone.
What is the "buddy system"?
300
When surveying a potentially explosive atmosphere, it is important to determine the level of this gas first.
What is oxygen
300
This term means the loss of or change in a fabric's chemical resistance.
What is degradation?
300
This term is used to describe acids and bases that may damage both living tissue and certain metals on contact.
What is Corrosive?
300
This term describes the effects seen when substances cause inflammation of skin, tissue or membranes.
What is irritation?
300
List two items a site map must show.
What are Prevailing wind direction, Site drainage, Natural and man-made topographical features
400
This phrase is used to describe electronic interments which are designed not to function as an ignition source when used in a potentially flammable atmosphere.
What is intrinsically safe?
400
List three safety and health hazards that can result from wearing chemical protective clothing.
What are Reduced communication, Restricted visibility, Limited dexterity, Limited agility, Increased heat stress
400
This term describes the process of bringing a high or low pH towards a pH of 7.
What is Neutralization?
400
List two ways in which scientists determine which chemicals are harmful to humans.
What are Animal studies and Human studies (epidemiology)
400
List three ways chemical contamination may spread on a site.
What is Contaminated equipment moved around the site, Wind movement, Surface run-off or surface water, Ground water, Contaminated personnel, Unauthorized intruders on-site
500
List three conditions which make an atmosphere immediately dangerous to life and health (IDLH)
What are Explosive atmospheres, Oxygen deficient atmospheres, Atmospheres which contain high concentrations of contaminants which are immediately toxic
500
List three items in the Four-Point Approach when selecting chemical protective clothing.
What are
Identify the chemical hazard,
Evaluate the chemical exposure,
Evaluate chemical resistance of the CPC,
Evaluate the physical resistance of the CPC
500
List five clues for detecting the presence of hazardous materials.
What are
Chemical container shape and size
Labels, placards and markings
Products of processing equipment
Standing liquids Stressed plants / animals
Stained or discolored soil Odors
500
What is the name of the model which relates the amount of chemical a body is exposed to and takes in and the health effects seen within a population
What is the Dose-response relationship or dose-response cure?
500
List in order, the four strategies that comprise the "Hierarchy of Controls"
What are:
Elimination or removal
Engineering controls
Administrative controls
Personal Protective Equipment