Respirable Crystalline Silica Quiz
Name
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First Name
Last Name
Date
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-
Month
-
Day
Year
Date
Location / Branch
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Austin
Corporate
Grand Island
Greenville
Holdrege
Houston
Laredo
Line Crew
New Braunfels
New Mexico
NEXT Electric
Norfolk
Portland
Richmond
San Antonio
Shanahan Mechanical
Traveling Group
Jobsite
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Employee Status
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IES Employee
Temporary Employee
Please watch the video below and complete the quiz.
In what materials can you find crystalline silica? Circle all that apply:
Drywall / joint compound
Cement / Concrete
Rock / Sand
All the Above
Crystalline silica is the _______________ common substance on earth, but only hazardous when it is in crushed, cut, drilled or otherwise demolished into a dust form?
Most
Least
The silica action level is ½ of the Permissible Exposure Level (PEL) 50 µg/m3 at an 8-hour TWA and work controls or protection aren’t needed when exposure is at or below action level.
True
False
__________ is the most common task for IES workers on a construction site.
Fracking
Tuckpointing
Drilling
Jackhammering
Which characteristics define a competent person under the silica standard?
Take immediate corrective measure
Implement the exposure control plan
Identify silica hazards
All of the above
What health hazards are associated with long term silica exposure above the PEL?
Flu & Sore throat
Lung cancer & Respiratory disease
Athlete’s foot & Toe fungus
All of the above
7. When atmospheric conditions (dust cloud) caused by other contractors on site, use ____ ____ ____ , and call Supervisor, PM or Safety and they will call the GC or Owner to assist with implementing their site control measures.
Stop Work Authority
Stop Work Immediately
Continue to work
Table 1 identifies tasks and control methods to prevent exposure to the silica hazard. Which of the following methods will IES use to control silica exposure.
HEPA-filter or 99% efficient vacuum
Dust control compound when sweeping
Allowed, if there is no existing silica hazard
All the above
Employees who wear a respirator 30 days or more a year have the right to ____ ____.
a raise
Medical Surveillance
Sit Down
Voluntary use of a respirator is:
At the employee’s discretion
Not part of the 30-day rule
Allowed, if there is no existing silica hazard
All the above
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