Section Env-A 4206.01 - Calculation of VOC Content(a) To determine compliance with Env-A 4203.01, the VOC content of an AIM coating shall be determined using the procedures specified in (d) and (e), below.(b) The VOC content of a tint base shall be determined without the colorant that is added after the tint base is manufactured.(c) For the calculations specified in (d) and (e), below, the following shall apply: (1) "Ws" means total weight of volatiles, in grams;(2) "Ww" means weight of water, in grams;(3) "Wec" means weight of exempt compounds, in grams;(4) "Vm" means volume of coating, in liters;(5) "Vw" means volume of water, in liters; and(6) "Vec" means volume of exempt compounds, in liters.(d) Except as specified in (e), below, the VOC content shall be calculated after thinning to the manufacturer's maximum recommendation by subtracting the weight of water and weight of exempt compounds from the weight of VOCs and dividing that result by the result of subtracting the volume of water and volume of exempt compounds from the volume of coating, as in the formula below: VOC Content = (Ws - Ww - Wec) / (Vm - Vw - Vec)
(e) For low solids coatings, the VOC content shall be calculated after thinning to the manufacturer's maximum recommendation by subtracting the weight of water and weight of exempt compounds from the weight of volatiles and dividing the result by the volume of coating, as in the formula below: VOC Content (low solids) = (Ws - Ww - Wec) / Vm
N.H. Code Admin. R. Env-A 4206.01
Amended byVolume XXXIV Number 50, Filed December 11, 2014, Proposed by #10736, Effective 1/1/2015, Expires1/1/2025.