Will these OSHA standards be identical in every U.S. state and territory?
My construction firm's workers typically work outside. Does that exclude me from having to conform to the new OSHA standard?
What is the legal exposure limit for crystalline silica dust? Hint: The amount is measured as the volume of micrograms per cubic metre of air (µg/m3).
How many workplaces does OSHA expect will be affected by the rule change?
Workers exposed to very small crystalline silica particles are at increased risk of developing serious diseases. How does silica cause these problems?
Organizations such as the American Cancer Society and the National Institute of Health now designate crystalline silica as a human carcinogen. How many deaths per year does OSHA think will be prevented by the new standard?
Low-dust mortar helps contractors meet OSHA's new silica dust standard
A Yes, every state and territory will be the same.
B No, all states will have different personal exposure levels for silica.
C Not all states will be exactly the same, but the OSHA standard will be the baseline limit.
A Yes, outside workers aren't included in this standard.
B No, you must conform to the rules in the same manner as any indoor workplace.
C It depends on how you implement certain controls and work practices.
A 100 µg/m3
B 50 µg/m3
C 60 µg/m3
D 25 µg/m3
A About 100,000
B About 675,000
C About 1,000,000
D About 65,000
A The dust can cause blindness.
B The particles cause brain damage.
C Clouds of silica dust can irritate exposed skin.
D Inhaling silica dust can cause silicosis, an incurable, sometimes fatal lung disease.
A 1,000 deaths per year
B 7,000 deaths per year
C 700 deaths per year
D 1,600 deaths per year