"The Action Level!®"
— Current Quiz

Edited by J. Thomas Pierce, PhD, CIH (1980-2012), DABT (Retired)

“The Action Level!®, a self-study, continuing education program, provides a convenient and interesting opportunity for individuals to expand their knowledge in relevant areas of industrial hygiene, as well as occupational and environmental safety and health. The program is approved by both the American Board of Industrial Hygiene, and the Board of Certified Safety Professionals, which award Certification Maintenance (CM) points and Continuance of Certification (COC) points, respectively, for successful participation.

Participants must read each issue of the Journal, answer “The Action Level!® questions, and return the completed answer sheet at the end of that issue’s “The Action Level!® column. To earn the designated CM or COC credit, an average score of 70 percent or better is required within a 12-month period. Certified Industrial Hygienists and Certified Associate Industrial Hygienists may earn up to 2 points per year. Certified Safety Professionals may earn up to 1.2 points per year.

Points are awarded only four times each year—in March, June, September, and December—to participants who score an average of 70 percent or better within each three-month quarter.  To earn points in any quarter, participants must satisfactorily complete answer sheets for all three months of that quarter.

Beginning in 2016, only calendar year subscriptions running from January 1 to December 31 will be available to participate in
“The Action Level!® program. New participants in the program can enroll at any time, but their enrollment fees will be prorated by the number of quarters they are eligible to participate. 

To enroll,
click here,  read about the program and click on “register” to complete your registration.  The cost is $219 (ACGIH®/AIHA members)/$249 (nonmembers) for one calendar year running January 1 to December 31. Prorations are available for new participants who purchase after January 31.  Nonmembers are encouraged to become members to take advantage of the member discount. For more information regarding ACGIH® membership, call 513-742-2020, or apply online.  

This continuing education program fee is separate from the Journal subscription cost. The fee covers administration costs, and is nonrefundable. 

Answers must be received by the date listed at the end of each quiz.

August 2017 — Volume 14 No 8

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

The Reciprocal Calculation Procedure for Setting Occupational Exposure Limits for Hydrocarbon Solvents: An Update

Richard H. McKee, M. David Adenuga and Juan-Carlos Carrillo

1. The reciprocal calculation procedure for calculating occupational exposure limits of complex hydrocarbon solvents is applicable to substances containing constituents with distinctly disparate hazard properties. True or False?

2. The key constituent parameter that should be considered in deciding when it is appropriate to use the vapor phase mole fraction or liquid mass fraction in the RCP formula for hydrocarbon solvents is:

Evaluation of Personal Inhalable Aerosol Samplers with Different Filters for Use during Anthrax Responses

Sergey A. Grinshpun, Angela M. Weber, Michael Yermakov, Reshmi Indugula, Yousef Elmashae, Tiina Reponen and Laura Rose

3. Does the performance of an inhalable aerosol sampler depend on the type of a collection filter (provide your answer for the IOM and Button samplers):


Lessons Learned from Surface Wipe Sampling for Lead in Three Workplaces

Catherine Beaucham, Diana Ceballos and Bradley King



Compressed Air Noise Reductions from Using Advanced Air Gun Nozzles in Research and Development Environments

Kurt Prieve, Amanda Rice and Peter C. Raynor

7. The largest sound pressure level reduction observed with a switch to an advanced air gun nozzle was:

8. Sound level reductions measured after a switch to an advanced air gun nozzle occur at frequencies that contribute the most to development of noise-induced hearing loss. True or False?

Effect of Bit Wear on Hammer Drill Handle Vibration and Productivity

Andrea Antonucci, Alan Barr, Bernard Martin and David Rempel

9. When drilling into concrete, a worn (compared to a new) carbide-tipped bit will increase hammer drill handle vibration along the bit axis (z) but not along the other two axes (x and y). True or False?

10. A dull carbide-tipped bit, compared to a sharp bit, can increase drilling time by up to:

Multicenter Study of Environmental Contamination with Cyclophosphamide, Ifosfamide and Methotrexate in 66 Canadian Hospitals: A 2016 Follow-up Study

C. Roland, N. Caron and J.F. Bussières

11. Which of the following sites is the most frequently contaminated?

12. Over the years, the concentration of cyclophosphamide, ifosfamide and methotrexate that we measured on surfaces in hospitals is increasing. True or False?

Particle Size Distributions of Lead Measured in Battery Manufacturing and Secondary Smelter Facilities and Implications in Setting Workplace Lead Exposure Limits

Catherine Petito Boyce, Sonja N. Sax and Joel M. Cohen

13. Which of these factors was not reflected in the MPPD modeling used in this article to predict the deposition and retention in the respiratory tract of lead in airborne particulate matter?

14. Based on the MPPD modeling results presented in this article, the greatest fraction of inhaled material was predicted to be deposited in the extrathoracic region of the respiratory tract; however, the inhaled material deposited in the pulmonary region contributed most to the predicted screening-level overall inhalation absorption of lead. True or False?

Noise Characterization of Oil and Gas Operations

Cameron Radtke, Daniel A. Autenrieth, Tiffany Lipsey and William J. Brazile

15. In general and at 100 meters, drilling and hydraulic fracturing sites would exhibit similar noise characteristics. True or False?

16. Oil and gas sites with noise wall installations had higher noise levels in both the A- and C-weighted measurement scales than those without noise wall installations. True or False?

Dynamic Interaction of a Downward Plane Jet and a Cough Jet with Respect to Particle Transmission: An Analytical and Experimental Study

Guangyu Cao, Shichao Liu, Brandon E. Boor and Atila Novoselac

17. Validation of the trajectory model used in this work was provided primarily using Monte Carlo simulation. True or False?

18. Strong and sufficient evidence exists to demonstrate the association between ventilation and air movement in buildings and airborne transmission/spread of infectious diseases. True or False?

Deadline for answers is August 31, 2017.

Answers will be available online on September 15, 2017.