VC
Vinyl Chloride

 

VD
Vapor Density

 

VOA
Volatile Organic Analysis

 

VOC
(Chemical Definition); Volatile Organic Compound:  Highly evaporative organic compound; frequently found in paints, solvents, etc.; VOCs contribute to the formation of smog.

 

VOC
(Legal Definition); Volative Organic Compound; Any organic compound which participates in atmospheric photochemical reactions other than those exempted by the administrator.

 

VOHAP
Volatile Organic Hazardous Air Pollutant

 

VP
Vapor Pressure

 

Vapor
A gaseous form of a material which is normally a solid or liquid at STP; becomes airborne through evaporation or sublimation.