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Continuing Education — "The Action Level!®"

VOLUME 1(2), February 2004
Journal of Occupational and Environmental Hygiene

Answer the questions below and click "Submit".

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CASE STUDIES:

Evaluation of Exposure to Man-Made Vitreous Fibers by Nasal Lavage
Hanna Paananen, Mikko Holopainen, Pentti Kalliokoski, Juhani Kangas, Mia Kotilainen, Sirpa Pennanen, Heikki Savolainen, Antti Tossavainen, Kirsi Luoto

1. Rockwool and slagwool exposure is accurately detected in modern production conditions by:

a. stationary sampling.
b. personal impingers.
c. adhesive tape methods.
d. analysis of nasal lavage samples.

2.  Rockwool and slagwool fibers are:

a. carcinogenic.
b. irritants.
c. liver toxins.
d. neurotoxic.

Microbial Air Quality in Office Rooms at Municipal Landfills
Danuta O. Lis, Krzysztof Ulfig, Agnieszka Wlazlo, Józef S. Pastuszka

3. How high can bacterial and fungal pollution of air at landfills be, in comparison to houses or public buildings?

a. Not significantly higher
b. Hundred times higher
c. Thousand times higher
d. Hundred to thousand times higher

4. What microorganisms are a source of endotoxin causing fever and inflammatory response in respiratory system?

a. Fungi
b. Actinomycetes
c. Gram negative bacteria
d. b and c

Evaluation of Worker Exposure to Asphalt Roofing Fumes: Influence of Work Practices, Materials, and Environmental Conditions
Anthony J. Kriech, Linda V. Osborn, David C. Trumbore, Joseph T. Kurek, Herbert L. Wissel, Klaus D. Rosinski

5. Use of fuming suppressed asphalt (FSA) results in much lower exposures to workers. How does the composition of the fumes change with the use of FSA?

a. It doesn't. Just the amount of fumes is affected.
b. Generally they have a higher boiling point.
c. Generally they have a lower boiling point.
6. In a pilot plant study, a 28oC increase in the asphalt temperature resulted in what relative to the fumes?
a. A 57% reduction in fluorescence
b. A 40% reduction in BSM
c. A 45% reduction in TPM
d. All of the above
A Novel Personal Air Sampling Device for Collecting Volatile Organic Compounds: A Comparison to Charcoal Tubes and Diffusive Badges
Alan Rossner, Jean-Pierre Farant

7. EN 482 requires that performance requirements for air sampling devices have an "Overall Uncertainty" of:

a. < 50 % for concentration ranges 0.5-2 times
          the TLV®.
b. <30 % for concentration ranges 0.5-2 times
          the TLV®.
c. <25 % for concentration ranges 0.1-2 times
          the TLV®.
d. <10 % for concentration ranges 0.5-2 times
          the TLV®.
8. The mean air sampling flow rate used to collect the canister samples was approximately:
a. 40 mL/min
b. 10 mL/min
c. 1 mL/min
d. 0.4 mL/min
Environmental Tobacco Smoke Leakage from Smoking Rooms
J. Wagner, D.P. Sullivan, D. Faulkner, W.J. Fisk, L.E. Alevantis, R.L. Dod, L.A. Gundel, J.M. Waldman

9. The first priority for an effective smoking room is to:

a. install a sliding door.
b. decrease the smoking room exhaust flow rate.
c. maintain it at a lower pressure than adjoining
          non-smoking areas.
10. The main disadvantage of the "open doorway" smoking room tested in this work was:
a. it did not yield a high exhaust efficiency.
b. it required much higher exhaust flow rates than
          smoking rooms with doors to achieve similar
          performance.
c. it eliminated ETS leakage via door pumping.
Lead and Methylene Chloride Exposures Among Automotive Repair Technicians
Richard T. Enander, Howard J. Cohen, David M. Gute, Linfield C. Brown, Anne Marie C. Desmaris, Richard Missaghian

11. Blood samples representing a cross-section of employees (i.e., front office salesmen, owners, body men, spray painters, detailers, and shop managers) obtained from two large automotive refinishing facilities (auto body shops) located in Rhode Island revealed that:

a. a. professional spray painters had blood lead
          levels comparable to most body men.
b. blood lead levels for body men were at or
          above the OSHA recommended level of
          30 ug/100 g for potential adverse reproductive
          effects.
c. lead in the paint-dust matrix resulting from
          vehicle sanding operations is bioavailable.
d. both a. and b. above
e. both b. and c. above

12. Field investigations conducted in Rhode Island also suggest that the use of methylene chloride based paint strippers can be reduced or eliminated in the auto body industry sector. True or False?

True
False
Modeling Organic Solvents Permeation Through Protective Gloves
Keh-Ping Chao, Ven-Shing Wang, Pak-Hing Lee

13. The permeation rate of chemicals through protective gloves can be determined using ASTM Method F 739. True or False?

True
False

14. The permeation characteristics of the mixture of solvents can be substantially different than the permeation of individual solvents. True or False?

True
False

Answers to the February 2004 "The Action Level!®" Questions
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