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Quiz Leaderboard: 9/24 - 10/24/2016    Sign in to track your quiz score! | Full Leaderboard

  • 1. arieh calahorra (22/22 answered correctly)

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Wednesday, June 19, 2013

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.


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Previous Quizzes from the Past Week

Tuesday, June 18, 2013
Inside a confined space, where do solvent vapors normally collect?

Monday, June 17, 2013
What does “theoretical coverage” mean?

Friday, June 14, 2013
True or False? Some historic preservationists might object to the use of a clear, penetrating sealer on the masonry walls of an historic structure.

Thursday, June 13, 2013
True or False? In abrasive blasting work, a dosimeter is used to measure exposure to blasting dust.

Wednesday, June 12, 2013
What organization is the U.S. representative to the International Organization for Standardization (ISO)?

More previous quizzes

Clemco Industries Corp.
Powerful Protection in a Small Package

Mounts inside blast helmet, alerts operator to dangerous breathing-air condition by audible, visual, and vibratory alarms. Easily calibrated, battery operated.


The Next Generation
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It pays to be a know-it-all!

This compilation of articles offers a wealth of information about concrete and corrosion. Ideal for anyone working with concrete. Keep handy for easy reference!

Novetas Solutions
Number 1 Crushed Glass Abrasive in America!

Manufactured from 100% Recycled Glass.
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Desco Mfg. Co., Inc.

Steel Fabrication

• Shipyards
• Plate Fabrication
• Structural Steel
• Maintenance

DESCO Mfg.Co., Inc.

Modern Safety Techniques
Modern Safety Techniques

See our Low Temperature Catalyst for your CO removal needs. Help to provide your workers with safe, comfortable breathing air!

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.

Blastman Robotics Ltd.
Robotic Blast Cleaning

Replace manual blasting with new Blastman robot models. Contact us to boost your production and save costs!

Termarust Technologies
Termarust (HR CSA) Chemically Stops
Active Corrosion

Truss bridge treated with Termarust's (HR CSA) in 1995. This highway & rail truss bridge is still stable and there still is no active corrosion.

Advanced Recycling Systems

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

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