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Continuing Education — "The Action Level!®"

VOLUME 3(7), July 2006
Journal of Occupational and Environmental Hygiene

Answer the questions below and click "Submit".

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CASE STUDIES:

Airborne Fungal Spores in a Cross-Sectional Study of Office Buildings
David L. MacIntosh, Howard S. Brightman, Brian J. Baker, Theodore A. Myatt, James H. Stewart and John F. McCarthy

1. Spearman rank correlation coefficients for pairs of indoor-outdoor
    and indoor-indoor samples had a substantial _________ rate.

a. false negative
b. false positive
c. positive predictive
d. number needed to test
2. Noting types of fungi found in indoor air that are not noted outside
    as an indication of active growth is one example of use of a
    heuristic. True or False?
True
False
A Numerical and Experimental Investigation of Crystalline Silica Exposure Control During Tuck-Pointing
William Heitbrink and James Bennett

3. From the experimental study, the minimum flow rate for assuring
    capture of the dust is ________ cubic feet per minute.

a. 20
b. 40
c. 70
d. 80
e. 100
4. What was the most important variable in reducing the required flow
    rate for exposure control, as indicated by the CFD simulation?
a. turbulence boundary conditions
b. size of gap between shroud and brick
c. flow rate induced by the grinding wheel
d. direction of grinder travel in the cut
Supercritical Fluid Extraction (SFE) for Determination of Metalworking Fluid Aerosols
Linnéa Lillienberg, Stella Brudin, Theres Hjalmarsson, Göran Ljungkvist and Lennart Mathiasson

5. Which gas is used as extracting media for metalworking fluids?

a. CO
b. CO2
c. N2
6. What is a synthetic metal working fluid?
a. A metal working fluid containing 20-30% of
         mineral oil
b. A metal working fluid containing >80% oil
c. A metal working fluid not containing any oil
Comparison of Sampling and Analytical Methods Used During the Preparation of Methyl Methacrylate Bone Cements
Leslie J. Ungers and Timothy G. Vendrely

7. Colorimetric detector tubes used in the measurement of methyl
    acrylate are sufficiently reliable for the detection and quantification
    of exposures to methyl methacrylate during the preparation of
    orthopedic bone cements. True or False?

True
False
8. Direct reading, photoacoustic infrared spectrometry is a reliable
    alternative to the established NIOSH GC FID Method 2537 for
    methyl methacrylate. True or False?
True
False
NMAM Methods Update: A Laboratory Response to Concerns About Technologically Outdated and Problematic Methods
Stephanie M. Pendergrass, Jennifer L. Ernst and Donald D. Dollberg

9. The driving force for addressing outdated and/or problematic
    methods in the NMAM was a client survey in 1997. True or False?

True
False
10. Some of the improvements in the new NMAM methods as
     described in this manuscript were inclusion of 30 day S.S. data,
     elevated LODs, and lower level recovery study data for each
     analyte. True or False?
True
False


Deadline for answers is July 31, 2006.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on August 14, 2006.

 
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