In IAQP, filtration is used to address IAQ by removing particulates from which air stream?

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Prepare for the ASHRAE 62.1 Standards test with flashcards and multiple choice questions. Each question offers hints and explanations. Get ready for excellence!

Multiple Choice

In IAQP, filtration is used to address IAQ by removing particulates from which air stream?

Explanation:
In IAQP, the focus is on controlling what actually enters the occupied space. Filtration is applied to the air that is delivered to occupants—the supply air—so particulates are removed before people inhale them. Outdoor air and return air are part of the system’s air handling, but the filtration aimed at meeting IAQ under this method targets the supply air that goes directly into the space. Exhaust air is the air leaving the building and isn’t about protecting occupants inside.

In IAQP, the focus is on controlling what actually enters the occupied space. Filtration is applied to the air that is delivered to occupants—the supply air—so particulates are removed before people inhale them. Outdoor air and return air are part of the system’s air handling, but the filtration aimed at meeting IAQ under this method targets the supply air that goes directly into the space. Exhaust air is the air leaving the building and isn’t about protecting occupants inside.

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