(Ws)
VOC Content = ----------------------
( Vm - Vw)
where:
VOC content = grams of VOC per liter of coating
Ws = weight of VOCs, in grams
Vm = volume of coating, in liters
Vw = volume of water, in liters
The VOC content of a tint base shall be determined prior to the addition of the colorant.
N.Y. Comp. Codes R. & Regs. Tit. 6 § 241.5