An ASCS notices that the supply air plenum of a unit being cleaned has excessive mold growth. What is the common symptom an unprotected worker may experience?
In a building with an open return plenum, which room is considered part of the HVAC system?
Toxicity is defined as the:
According to NAIMA AH 122, Cleaning Fibrous Glass Insulated Air Duct Systems, it is recommended that fibrous glass duct insulation that has become wet in service should be:
An HVAC system can cause Building Related Illness (BRI) if:
In accordance with ACR, the NADCA Standard, an accurate indicator of the effect of the removal of debris from the evaporator coil is to measure
