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Daily Quiz (25)


Where do many toxic and oxygen-displacing gases accumulate in confined spaces?


True or false: Sick building syndrome is the same as “building-related illness.”


True or false: Accelerated testing of exterior coatings containing nanoparticles, conducted by the Lawrence Berkeley National Laboratory, has produced data about the release of nanoparticles into the environment that may help in assessing the health and environmental impacts from these releases.


True or false: A study published in The Lancet estimated that 4,600 deaths worldwide were caused by silicosis in 2013.


According to the EPA, what is the diameter of particles that are respirable?


True or false: The new OSHA action level for exposure to crystalline silica has been reduced from 100 micrograms per cubic meter to 25 micrograms per cubic meter, time-weighted average in an 8-hour period.


What is the abbreviation for the emission standard set by EPA to cover exposure to hazardous air pollutants in steel fabrication and paint shops, among other facilities?


True or false: OSHA estimates that its new “Respirable Crystalline Silica in Construction” standard will save over 600 lives and prevent 900 new cases of silicosis each year.


Opacity observations of air pollution emissions are sometimes reported using what rating system?


True or false: Architectural floor coatings have a VOC limit of 50 g/l in the South Coast Air Quality Management District (SCAQMD).


True or false: If a coating has 50 grams per liter or less of VOCs, it is said to be HAPS-free.


What is the name of the collection of northeastern states and the District of Columbia working together to reduce ground-level ozone?


What is the abbreviation for the emission standard set by EPA to cover exposure to hazardous air pollutants in steel fabrication and paint shops, among other facilities?


True or False? Threshold Limit Values (TLVs), representing the maximum levels of airborne contaminant that can be inhaled for a working lifetime by almost all workers without injury, are recommended rather than required limits.


True or false: According to OSHA, permissible exposure limits (PELs) and Threshold Limit Values (TLVs) are both required limits on exposure to airborne contaminants.


Which of the following alternatives is an engineering control for an air-contaminant workplace hazard?


True or false: The California Supreme Court recently upheld the South Coast Air Quality Management District’s authority to enact air-quality rules on architectural coatings, even if compliance with the rules requires technology not yet developed.


What organization defines the content of Grade D breathing air, required in CFR 1910.134 for supplied air respirators?


Breathing grade compressed air (Grade D, as specified by the Compressed Gas Association) must contain what percentage of oxygen by volume?


Manufacturers of supplied air respirators must acquire approval for these products from what agency?


Where are you most likely to find oxygen-deficient air?


In abrasive blasting work, how small do dust particles have to be to make them respirable and therefore dangerous to health?


What is the source of the specification for Grade D breathing air?


What is the minimum oxygen content of air suitable for breathing?


Which of the following types of coatings is not subject to a VOC limit of 50 grams per liter under Rule 1113 of the South Coast Air Quality Management District?


 
 
   

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