RESPIRATORY PROTECTION
What does HEPA stand for?
High Efficiency Particulate Air
The temporary gradual adaptation of the body to work in the heat
Acclimatization
1. The term Hertz (Hz) can best be described as
a) The distance traveled by a sound wave in one sound cycle
b) 3 Sound pressure cycles per minute
c) A car rental company
d) Threshold of pain
a) The distance traveled by a sound wave in one sound cycle.
The emergency Wildfire Smoke Standard applies to these two types of workers who may be exposed to wildfire smoke
a) Indoor workers
b) Outdoor workers
c) Both a and b
d) Workers with pre-existing conditions
c) Both a and b
ALARA is a principle which utilizes three practices to reduce radiation exposure, what are they?
Time, Distance and Shielding
Name the two classes of respirators?
Air Purifying Respirators, Supplied Air Respirators
Heat index is the combination of air temperature and
a) Wind speed
b) % Relative humidity
c) Body temperature
d) Particulate matter
b) % Relative humidity
1. A young person's hearing has been typically quantified to fall between:
a) 2000 Hz to 4000 Hz.
b) 12,000 Hz to 50,000 Hz.
c) 20 Hz to 20,000 Hz.
d) All young people are hearing impaired.
c) 20 Hz to 20,000 Hz
These microscopic particles can remain suspended in the air for long periods of time and penetrate deep into the lungs, and are considered the principal pollutant of concern from wildfire smoke
PM2.5
What three criteria per 8 CCR §5157(b) define a confined space?
Large enough to enter, limited entry and exit, not designed for continuous occupancy
The Assigned Protection Factor for a full face powered air purifying respirator is?
1,000
Under the Heat Illness Prevention Standard, employers are required to provide workers with water, shade, rest breaks, and training
a) True
b) False
True
1. In the process of hearing, the inner ear primarily:
a) Modifies the acoustic wave.
b) Converts/amplifies the modified acoustic wave.
c) Increases sound pressure levels to "11"
d) Transforms mechanical movement of the wave into nerve impulses which will travel to the brain.
d) Transforms mechanical movement of the wave into nerve impulses which will travel to the brain.
A daily measurement of local air pollution and potential associated health effects
Air Quality Index
The OSHA HAZWOPER regulation is designed to protect what kind of workers?
Hazardous waste cleanup workers, treatment, storage and disposal site workers, emergency responders
What are the three mechanisms a filter element uses to trap dusts and particulates?
Impaction, Interception, Diffusion
Under the Heat Illness Prevention Standard, access to drinking water must be
a) Made available and water sources are at the employers’ discretion
b) Made available and relatively inexpensive to employees
c) Made available at certain intervals throughout the day
d) Potable, and readily available and accessible for consumption
d) Potable, and readily available and accessible for consumption
1. The SPL which requires employers to implement an effective hearing conservation program is:
a) 8-Hour TWA of 90 dBA.
b) 8-Hour TWA of 85 dBA
c) 8-Hour TWA of 88 dBA
d) 8-Hour TWA of 80 dBA.
b) 8-Hour TWA of 85 dBA
Under the Wildfire Smoke Standard, employers must protect workers from wildfire smoke when the current AQI for PM2.5 is 151 or greater through work modifications by
a) Providing adequate water and shade
b) Providing enclosed structures with filtered air, relocating work, or adjusting work schedules
c) Practicing yoga to help workers manage their breathing techniques
b) Providing enclosed structures with filtered air, relocating work, or adjusting work schedules
The DOT hazard communication system has 9 hazard classes. Hazard class 8 defines materials that are?
Corrosive
What criteria must be satisfied before using an
Air Purifying Respirator?
Oxygen levels, Chemical ID, Chemical concentration, Fit testing, Warning properties, Training
Acclimatization is NOT required under the proposed Indoor Heat Illness Prevention Standard
a) True
b) False
b) False
1. According to 8 CCR 5095 Appendix E, you can ascribe an actual NRR of ________ to a pair of disposable ear plugs with an NRR of 33 dBA
a) 33 dBA
b) 30 dBA
c) 33 dBA - 7 dB = 26 dBA
d) 16.5 dBA
c) 33 dBA - 7 dB = 26 dBA
Under voluntary respirator use, employers are NOT required to provide workers with any information on its use and limitation
a) True
b) False
b) False
The Occupational Safety and Health Administration was created in 1970. Who was president at the time?
Richard Nixon