Surface Treatment

Surface Treatment (non-antimicrobial): Coating or
treatment designed to repair surface defects or modify
surface characteristics
TVOC: Total volatile organic compounds.
Thermal Acoustic Materials: HVAC insulation materials
designed for sound and temperature control.
UL: Underwriters Laboratories, Inc.
Vacuum Collection Equipment: See “Collection Device.”
Visibly Clean: A condition in which the interior surfaces
of the HVAC system are free of non-adhered substances
and debris.
Visual Inspection: Visual examination with the naked eye
of the cleanliness of the HVAC system.
Wet Process Cleaning: Any method of mechanical
cleaning of HVAC components that utilizes water and/or
liquid chemicals as part of the process (i.e. power
washing, steam cleaning, hand washing)