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Continuing Education — "The Action Level!®"

VOLUME 1(11), November 2004
Journal of Occupational and Environmental Hygiene

Answer the questions below and click "Submit".

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CASE STUDIES:

A Simultaneous Job and Task-Based Exposure Evaluation of Petroleum Tanker Drivers to Benzene and Total Hydrocarbons
Dave K. Verma, Wai K. (Fred) Chang, Don S. Shaw, M. Lorraine Shaw, Paul Verma, Jim A. Julian, Reinhard E. Dumschat and Sharon J.P. Mulligan

1. The job calculated and actual job based time weighted average
    concentrations appear to be in reasonably good agreement.
    True or False?

True
False
2. Bulk terminal driver's unloading task occupied approximately 24% of
    the total time but accounted for about 68% of the total exposure.
    True or False?
True
False
Inter-Rater Reliability of the Strain Index
Edward M. Stevens, Jr., Gordon A. Vos, John-Paul Stephens and J. Steven Moore

3. The Strain Index has been shown to be both valid and reliable.
    True or False?

True
False
4. The Strain Index is:
a. A tool used to predict whether or not workers are
         at an increased risk of developing distal upper
         extremity disorders.
b. A method used to measure the wet-bulb
         temperature.
c. A device that can be installed on heavy equipment
         that monitors use and informs the user of potential
         danger.
d. A proposed ergonomic tool that measures
         localized muscle fatigue.
Exposure to and Acute Effects of Medium-Density Fiber Board Dust
Eero Priha, Sirpa Pennanen, Tiina Rantio, Jukka Uitti and Jyrki Liesivuori

5. What is (are) the major hazardous component(s)/agent(s) involved in
    the use of normal MDF board in industry?

a. hardwood
b. softwood
c. isocyanate
d. formaldehyde
e. a, b and d
f. b, c and d
6. Exposure to MDF board dust causes different acute effects.
    Which symptom(s) was (were) most typical for MDF board dust?
a. dyspnea
b. nasal irritation
c. eye irritation
d. All of the above
e. None of the above

Residential Dust Lead Loading Immediately After Intervention in the HUD Lead Hazard Control Grant Program
Sherry L. Dixon, Jonathan W. Wilson, Paul A. Succop, Mei Chen, Warren A. Galke, William Menrath and C. Scott Clark

7. Which one of the following is not a part of the procedure for
    clearance following lead hazard control work described in the
    HUD Guidelines for the Evaluation and Control of Lead-Based
    Paint in Housing?

a. Visual examination of the worksite to verify that all
          specified work was completed.
b. Visual verification that deteriorated lead-based
          paint (or deteriorated paint presumed to be
          lead-based paint) and lead-contaminated soil were
          satisfactorily controlled and that no visible settled
          dust or debris remains.
c. Dust lead vacuum sampling in the areas where
          work was done.
8. Lower-level lead-hazard control interventions are as effective as
    higher-level interventions in reducing dust lead loadings on
    windowsills and window troughs. True or False?
True
False
Estimating Historical Occupational Exposure to Airborne Hexavalent Chromium in a Chromate Production Plant: 1940-1972
D.M. Proctor, J.P. Panko, E.W. Liebig and D.J. Paustenbach

9. A job exposure matrix (JEM) was created by combining:

a. workers' job histories and production information
b. job exposure groups (JEGs) and workers' job
          histories
c. airborne Cr(VI) concentrations and production
          information
d. job exposure groups (JEGs) and airborne Cr(VI)
         concentrations
10. In addition to cumulative exposures, an alternative exposure metric
      was calculated. It was:
a. highest monthly Cr(VI) exposure
b. number of days with exposures > OSHA PEL
c. number of days with exposures > OSHA STEL
d. years worked as a chromic acid operator


Deadline for answers is November 20, 2004.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on November 29, 2004.

 
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