The Action Level!® Quiz - Volume 11 No 9 - September 2014

Provide FULL NAME and EMAIL information below, then answer the questions and click "Submit".

Occupational Exposure to Crystalline Silica at Alberta Work Sites

Diane Radnoff, Maria S. Todor and Jeremy Beach
1. The industry with the highest mean airborne exposures to respirable crystalline silica was:



2. Labourers in which industries had mean exposures over the occupational exposure limit?





The Influence of Risk Perception on Biosafety Level-2 Laboratory Workers' Hand-to-Face Contact Behaviors

James D. Johnston, Dennis Eggett, Michele J. Johnson and James C. Reading
3. According to the authors, which of the following is thought to be the least likely route of exposure in the BSL-2 laboratory leading to laboratory-acquired infections?




4. Laboratory workers are most likely to touch their face with which part of the hand?



Factors Influencing the Airborne Capture of Respirable Charged Particles by Surfactants in Water Sprays

Mei W. Tessum, Peter C. Raynor and Lorraine Keating-Klika
5. The choice of surfactant used in water based spray to improve dust collection is primarily important for larger particles. True or False?

6. Highly charged particles can be more efficiently collected by surfactant-containing spray than can weakly charged particles. True or False?

The Relationship between Various Exposure Metrics for Elongate Mineral Particles (EMP) in the Taconite Mining and Processing Industry

Jooyeon Hwang, Gurumurthy Ramachandran, Peter C. Raynor, Bruce H. Alexander and Jeffrey H. Mandel

7. EMP dimensions are important because:



8. The transmission electron microscopy method for identifying each EMP was based on:



Exposures and Cross-shift Lung Function Declines in Wildland Firefighters

Denise M. Gaughan, Chris A. Piacitelli, Bean T. Chen, Brandon F. Law, M. Abbas Virji, Nicole T. Edwards, Paul L. Enright, Diane E. Schwegler-Berry, Stephens S. Leonard, Gregory R. Wagner, Lester Kobzik, Stefanos N. Kales, Michael D. Hughes, David C. Christiani, Paul D. Siegel, Jean M. Cox-Ganser and Mark D. Hoover
9. Levoglucosan was found primarily in the course particle size range. True or False?

10. One participant experienced a 16% decline in FEV1 decline over the first day of testing. True or False?

The Influences of Obesity and Age on Functional Performance during Intermittent Upper Extremity Tasks

Lora A. Cavuoto and Maury A. Nussbaum
11. Both the obese and older groups had shorter endurance compared to non-obese and younger groups, respectively. True or False?

12. Which of the following was given as the reason why the BMI range was limited?



Preparation and Certification of Two New Bulk Welding Fume Reference Materials for Use in Laboratories Undertaking Analysis of Occupational Hygiene Samples

Owen Butler, Darren Musgrove and Peter Stacey
13. Which of the following is not a particular attribute for a certified reference material (CRM) of welding fume?



14. Welding fume is relatively homogenous in nature provided that debris such as metal splash (nugget effect) is sieved out. True or False?

Deadline for answers is September 30, 2014. Answers will be available online on October 13, 2014.