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Continuing Education — "The Action Level!®"

VOLUME 2(1), January 2005
Journal of Occupational and Environmental Hygiene

Answer the questions below and click "Submit".

Full Name:
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CASE STUDIES:

Aerosol Generation by Blower Motors as a Bias in Assessing Aerosol Penetration into Cabin Filtration Systems
William A. Heitbrink and Scott Collingwood

1. Which of the following is most attributable to blower motor aerosol
    generation?

a. cabin filtration efficiency (sub micrometer)
b. biomechanical factors
c. pulmonary function testing
d. reserve volume
e. slot design
2. Optical particle counters were used to measure size dependent
    aerosol penetration into three agricultural cabs during winter months.
    True or False?
True
False
Sampling Results of the Improved SKC Diesel Particulate Matter Cassette
James D. Noll, Robert J. Timko, Linda McWilliams, Peter Hall and Robert Haney

3. What was the upper 95 % confidence limit for the coefficient of
    variation for experimental error for elemental carbon measurements
    in the laboratory chamber?

a. 6 %
b. 7 %
c. 10 %
4. What is the control limit range for the 94 deposit areas produced by
    Design 2 SKC DPM cassettes?
a. 8.05 8.28 cm2
b. 8 8.5 cm2
c. 7 9 cm2
Employers' Expectations of Knowledge and Skills of Master-Trained Industrial Hygienists
L.M. Brosseau, P. Raynor and C. Lungu

5. Environmental and management topics were thought to be essential
    by fewer than 25% of respondents to a survey about employers'
    expectations of newly-graduated Master's level industrial hygienists.
    True or False?

True
False
6. The most important skill employers expect of newly-graduated
    Master's level industrial hygienists is:
a. to understand exposure assessment.
b. to identify workplace process hazards.
c. to understand air sampling principles.
d. to understand and apply occupational exposure guidelines.
Lead in Paint and Soil in Karnataka and Gujarat, India
C.S. Clark, V. Thuppil, R. Clark, S. Sinha, G. Menezes, H.D'Souza, N. Nayak, A. Kuruvilla, T. Law, P. Dave and S. Shah

7. Lead based paints for residential use are currently available in which
    of the following countries:

a. China
b. India
c. Malaysia
d. None of the above
e. India and Malaysia
f. China, India and Malaysia
8. Which of the following should be classified as a nosocomial source
      of lead in these environments?
a. battery recycling
b. automobile repair
c. ayurvedic medicine
d. home environments
e. paint manufacturing

Reducing Enclosed Cab Drill Operator's Respirable Dust Exposure With Effective Filtration and Pressurization Techniques
Andrew B. Cecala, John A. Organiscak, Jeanne A. Zimmer, William A. Heitbrink, Ernest S. Moyer, Michael Schmitz, Eugene Ahrenholtz, Chris C. Coppock and Earle H. Andrews

9. What measure is used to determine a filtration and pressurization
      system's ability to improve the air quality inside an enclosed cab
      relative to quality outside?

a. Penetration
b. Protection Factor
c. Efficiency
d. None of the choices
e. All of the choices
10. What is the key component for providing pressurization inside an
      enclosed cab?
a. Recirculation fan
b. Outside wind velocity
c. Outside (makeup) fan
d. Floor heater


Deadline for answers is January 24, 2005.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on February 1, 2005.

 
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