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Daily Quiz (11)

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.


Graco Inc.
Graco Mortar Pump

The M680 sprays epoxy-based mortars, anti-skid coatings, cementitious and filled materials. Compact.
Easy to use.
Call 877-844-7226 or

Nationwide Overspray
Profession Overspray Removal Services

The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.

Absolute Equipment/Grand Rental Station
Portable Power from Absolute Equipment

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Call 1-866-931-6655
Over a century of
providing excellence.

GMA Garnet USA
GMA Garnet™
Natural Abrasives

- Superior cleaning
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- Recyclable up to 5 times
Tel : +1 832 243 9300

Mitsubishi Gas Chemical America
Performance Amine 1,3-BAC

A highly reactive cycloaliphatic diamine offering superior performance. Reasonable cost and curing efficacy makes it suitable for all types of epoxy resin applications.

Monti Tools, Inc.

Surface cleanliness of SSPC-10 | Anchor profile up to 4.7 mils | Removes corrosion & coatings | ATEX approved for zone 1 | | 832-623-7970

Polyval Coatings
Polyflex® Polyurea Linings

Polyflex™ new Polyurea Geotextile Membrane System has been specifically engineered to protect the environment in containment applications.

Larson Electronics
Larson Electronics Explosion Proof Tank Lighting

Larson Electronics is a premium supplier and manufacturer of portable explosion proof lighting systems for tank cleaning and servicing lighting.

Waterjet Technology Association (WJTA)
Discover Waterjet from the Experts

Waterjet is an environmentally friendly and growing method of surface prep. Get the latest info and education at WJTA-IMCA
2015 – November 2-4,
New Orleans.

IBIX North America
Portable Powder Coating System

All-in-one skid mounted system for on-site repairs. Durable coating for industrial, structural steel, pipeline and marine applications. 727-322-4611

Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
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