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Daily Quiz (15)


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.


True or false: OSHA’s new Construction Industry Standard on exposure to crystalline silica establishes a PEL of 100 micrograms of silica per-cubic-meter of air at an eight-hour time weighted average (TWA).


What is the new permissible exposure limit for crystalline silica, in micrograms per cubic meter of air, averaged over an 8-hour shift?


True or false: OSHA is expected to ban the use of silica sand as a blasting abrasive in 2016.


According to a study published in The Lancet, how many deaths worldwide were caused by silicosis in 2013?


True or false: According to a published study, elevated exposure to crystalline silica can result when it is present in coating materials being removed by blast cleaning.


True or false: OSHA now forbids the use of silica sand as a blasting abrasive.


True or False: Silica sand and coal slag abrasive with the same particle size distribution will produce different profile depth ranges on blast-cleaned steel.


True or False: In August this year, OSHA issued a proposed rule banning use of crystalline silica as a blasting abrasive.


Why is crystalline silica sand more likely to cause silicosis when it is used for abrasive blasting, as opposed to when it blows around on a beach?


True or false: OSHA’s 2008 National Emphasis Program on Crystalline Silica explicitly identified abrasive blast cleaning as a high-exposure activity.


True or False: OSHA has lowered the permissible exposure limits on crystalline silica.


True or false: Some state highway departments have banned the use of silica sand for abrasive blasting.


Why is crystalline silica sand more likely to cause silicosis when used as an air abrasive blasting material than it is in its natural state, for instance, as beach or river sand?


True or false: Use of crystalline silica sand has now been banned from use as a blasting abrasive in the United States.


 
 
   

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SAFE Systems, Inc.
SAFE Systems'
Blast Lights &
Deadman Switches

Halogen or LED blast lights available with our NEW urethane bumper. Switches available in many colors for color coding your hoses.


Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


SSPC: The Society for Protective Coatings
http://www.sspc.org/

Join SSPC and Enhance
Your Career !


Termarust Technologies
Termarust (HR CSA) Chemically Stops
Active Corrosion

Arch truss treated with Termarust's (HR CSA) in 2003. This steel arch bridge is rust free on all surfaces including the crevice corroded joints and connections.


Clemco Industries Corp.
Maximum Dust Suppression Systems Start at $14,950

The system comprises proven technology and equipment with user-friendly flexibility in mind. See it in action.


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust
preventer prevents flash
rust by removing surface contaminants. Contact us
for your nearest distributor.
(800) 319.8802 sales@holdtight.com


Clemco International GmbH
Global engineering-trusted solutions

For more than 70 years, Clemco has provided the highest quality blast equipment with a total commitment to comfort and safety.


Axxiom Manufacturing
Schmidt Improves
Portable Blasters

Schmidt's VBS System reduces blowdown intensity, prevents exhaust from damaging floor while using no screens or filters. Reduces sound; Increasing safety.
Call 1-800-231-2085


Advanced Recycling Systems
ADVANCED RECYCLING SYSTEMS (ARS)

Recycling Machines, Dust Collectors, Rapid Deployment units are time-tested and approved for the rugged industrial environment. Contact ARS today!
(330)536-8210


Dehumidifiers, Sales and Consulting
The pass-through or "daisy-chain" system by CamLok SAVES YOU MONEY!

Don Bechtol has over 40 years of experience utilizing climate control for blasting/painting projects. Call today!
1-713-249-1615
¡SE HABLA ESPAÑOL!

 

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