The Action Level!® Quiz - Volume 14 No 1 - January 2017

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Historical Occupational Isocyanate Exposure Levels in Two Canadian Provinces

Chun-Yip Hon, Cheryl E. Peters, Katherine J. Jardine and Victoria H. Arrandale

1. Ontario had a higher proportion of samples exceeding the Limit of Detection, Action Level and TLV–TWA for all isocyanate species. True or False?

2. In the province of British Columbia, decreasing trends over time of having a sample greater than the Limit of Detection were observed for all four isocyanate species evaluated. True or False?

The Fractal Characteristic of Facial Anthropometric Data for Developing PCA Fit Test Panels for Youth Born in Central China

Lei Yang, Ran Wei and Henggen Shen

3. Any ethnic group should have its own facial fit test panels for respiratory protection. True or False?

4. There are some special common characteristics for the facial anthropometric data of any racial group and we can use those characteristics to improve respiratory fit test panels for them. True or False?

The Efficacy of Sound Regulations on the Listening Levels of Pop Concerts

Truls Gjestland and Tron Vedul Tronstad

5. How have the listening levels at live pop concerts changed after the introduction of the WHO recommendations?

6. Visitors at pop festivals where no sound level regulations apply are at risk of suffering noise-induced hearing damage. True or False?

Models for Nearly Every Occasion: Part I – One Box Models

Paul Hewett and Gary H. Ganser

7. The modified steady state equations can be used to predict the area under the curve of a repeating “constant emission” task under which of the following conditions?

8. The recommended model calibration procedure for each model requires an outside ambient sample. True or False?

Models for Nearly Every Occasion: Part II – Two Box Models

Gary H. Ganser and Paul Hewett

9. The “effective near field flowrate” takes into account near field air currents and rising hot air from hot processes. True or False?


Self-reported Occupational Injuries among Industrial Beef Slaughterhouse Workers in the Midwestern United States

Jessica H. Leibler and Melissa J. Perry

11. What is the most prevalent cause of occupational injury reported by beef packing workers in this study?

12. Self-reported studies of occupational injuries may provide insight into worker injury experience because they include data on injuries for which workers do not seek medical attention but may affect work performance and quality of life. True or False?

Evaluation of a Sprinkler Cooling System on Inhalable Dust and Ammonia Concentrations in Broiler Chicken Production

S. Williams Ischer, M.B. Farnell, G.T. Tabler, M. Moreira, P.T. O’Shaughnessy and M.W. Nonnenmann

13. In the environment described, which of the following is NOT a potential concern requiring a variety of administrative, personal and engineering controls?

14. The primary purpose of the optical particle counter was to evaluate similarity of various particle size distributions. True or False?

Comparison between Active (Pumped) and Passive (Diffusive) Sampling Methods for Formaldehyde in Pathology and Histology Laboratories

Eun Gyung Lee, Rana Magrm, Mohannad Kusti, Michael L. Kashon, Steven Guffey, Michelle M. Costas, Carie J. Boykin and Martin Harper

15. From this work it appeared that passive samplers in general underestimated concentrations as compared to an active sampling method. True or False?

16. Some previous work has indicated formaldehyde could potentially be under-estimated when ozone is also present (42–720 ppb). True or False?

Deadline for answers is January 31, 2017.

Answers will be available online on February 10, 2017.