Atmospheres below 19.5% oxygen
What is oxygen deficient (or IDLH)
Full-face or half-mask air-purifying respirator plus chemical resistant clothing.
What is Level C
A chemical's ability to dissolve in water.
What is solubility
What is the symbol for a corrosive.
Work zone that should remain uncontaminated throughout site remediation.
What is the support zone or the cold zone?
Air monitoring instruments that give results immediately.
What are direct reading instruments?
Seams, Zippers, Joints, and Tears
What are places where chemicals are likely to penetrate protective clothing.
Heat, Fuel and Oxygen
What is the fire triangle.
A chemicals which interfere with the body's ability to use oxygen.
What is an asphyxiant?
This work practice in the HAZWOPER Standard requiring workers using respiratory protection not to work alone.
What is the "buddy system"?
Determine the level of this gas first when surveying a potentially explosive atmosphere.
What is oxygen
Loss of, or change in, a fabric's chemical resistance.
What is degradation?
What is Corrosive?
Effects seen when substances cause inflammation of skin, tissue or membranes.
What is irritation?
Elimination, Substitution, Engineering, Administrative, PPE
What is the hierarchy of controls.
Used to describe electronic instruments designed not to create an ignition source in potentially flammable atmospheres.
What is intrinsically safe?
Reduced communication, restricted visibility, limited dexterity, heat stress
What are some safety and health hazards from wearing chemical protective clothing.
Chemical hazards can be found in these 3 different forms.
What are Solids, Liquids and Gases
Health effects occur during, or shortly after, exposure.
What are acute effects.
Wind, surface or ground water run off, contaminated PPE, unauthorized intruders on-site
What are ways contamination can be spread onsite?
All air monitoring instrumentation must have documented _________.
What is calibration.
This must be conducted by a competent person before assigning PPE.
What is a hazard assessment.
Gasoline has a vapor density of 3 to 4, which makes it __________.
What is heavier than air
What is the symbol for toxic?
The "Hotline"
What is the outer boundary of the exclusion zone.