What factors must be controlled to achieve acceptable indoor air quality?
A) Chemical pollutants, biological pollutants, and ventilation
B) Temperature, humidity, velocity, and pollutant level
C) Air ventilation, filtration, and distribution
D) Building pressure, infiltration, and ventilation
Question 2
What is the difference between a standard and a code?
A) Codes often carry the force of law.
B) Codes are a description of best current practices.
C) Codes and standards are two terms for the same thing.
D) Standards are written to be adopted as laws.