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Daily Quiz (10)


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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WINOA Group
W Abrasives : Maintenance Pack

The blasting company able to reduce your maintenance costs up to 30% by fine-tuning consumption, and increasing productivity. Visit us during the GIFA (Hall15 - D14).


Carboline Company
Hyrdrocarbon Fire & Jet Fire Protection

Pyroclad X1 is the latest breakthrough in epoxy based intumescent fireproofing technology


Minerals Research & Recovery

HIGH PERFORMANCE ABRASIVES


“Made in the USA!”

Why recycle waste from other countries? Go FASTER, CLEANER, at 1/3 THE COST with MR&R “All-American” Sharpshot®HP!!

WATCH THE VIDEO


SAFE Systems, Inc.
Portable Blast &
Recovery Equipment

Trailer or skid mounted blast and recovery equipment. Systems designed for maximum versatility, environmental compliance
and overall cost savings.
Call 1-800-634-7278


Trelawny Surface Preparation Technology
Surface Preparation Equipment

Manufacturer of needle scalers, grinders, scarifiers and scabblers. Pneumatic tools for Marine and Construction. US distributor CS Unitec: 800-700-5919


Dampney Co., Inc.
High Temperature
Stove Paint

• Multiple Colors.
• Prevents rust and corrosion.
• Wood Burning stoves,
fire pits, smokers.
• Aerosol, Quarts,
Gallons, 5 Gallons.


DRYCO
DEHUMIDIFICATION FOR
ANY SIZE PROJECT!

Temporary climate control equipment. Dehumidifiers,
Heaters, A/C, Power, More…
Toll Free: 866-379-2600


Corrosion Probe, Inc.
From Detection to Correction

Corrosion Probe, Inc. has the Most Concrete Coatings Experience and Expertise. Contact us today at
860-767-4402, www.cpiengineering.com


Axxiom Manufacturing
Schmidt Introduces
the New miniBRS

Reduced in size, it is incredibly easy to maneuver and operate! The perfect alternative to larger blast & recovery units when project space is limited.
Call 1-800-231-2085

 
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