Environmental Engineering Reference
In-Depth Information
7. What advantages are there in conducting occupant interviews in both resi-
dential and nonresidential investigations?
8. As an investigator, what factors would indicate that health complaints in a
house were due to CO exposures? Be specific.
9. A child in a residence has been diagnosed with symptoms of pesticide poi-
soning. Air testing has revealed that air concentrations of pesticides are within
acceptable limits. Explain this apparent contradiction.
10. Under what circumstances would it be desirable to conduct surface dust
sampling and analysis as a part of an indoor environment investigation?
11. Why is it important to obtain symptom information from individuals who
report that they are experiencing illness symptoms in a building environment?
12. A child has elevated blood lead levels. You have been asked to conduct a risk
assessment of the child's potential exposure. Describe what potential expo-
sures you would consider.
13. What factors would allow an investigator to conclude that formaldehyde ex-
posures in an individual's home were the cause of reported illness symptoms?
14. Describe two nuisance IAQ/IE problems experienced in residences and their
causes.
15. Describe political considerations involved in conducting a problem building
investigation.
16. Describe procedures you would use in conducting a residential IAQ/IE in-
vestigation.
17. Describe procedures you would use in conducting an IAQ/IE investigation
in a nonresidential building.
18. What value do consensus guidelines have in evaluating the results of envi-
ronmental sampling? What are their limitations?
19. What are the objectives of the building walk-through in an IAQ/IE investi-
gation?
20. Describe advantages and limitations of questionnaire use in a problem build-
ing investigation.
21. Describe HVAC system-associated problems that may result in health and
comfort complaints.
22. How can one determine the percentage of outdoor air in a building environ-
ment?
23. Describe risk factors that contribute to the following problems:
a. Cross contamination
b. Entrainment
c. Re-entry
24. What work materials/equipment have been associated with building/work-
related health complaints?
25. Under what conditions would exposure to TVOCs result in illness symptoms?
26. What is the significance of surface dusts in contributing to health complaints
in buildings?
