VOCs are:
A) Volatile organic compounds. B) Volatile odorant compounds.
C) Very odorant compounds. D) Vociferous organic cyclamates.
A
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When is the best time of year to fertilize grass?
a. spring c. fall b. summer d. winter
The amount of water vapor that diffuses through a building assembly is affected by the following factors: the chemical composition of the building materials, the thickness of the building materials, and the ____ on each side of the building assembly.
A. bulk moisture B. ventilation C. absolute humidity D. heat index
When using biological controls for insects:
A. pesticides cannot be used at all in order to protect the biological being used. B. in general there is good control of most species. C. the introduction of a foreign organism creates an environmentally unfavorable situation. D. pesticides can be used with caution regarding the biological being used.
PEL is the Permissible Exposure Limit (PEL) of a vapor expressed in parts of vapor per million parts of contaminated air.