Compliance provisions.

§ 59.406 Compliance provisions.

(a) For the purpose of determining compliance with the VOC content limits in table 1 of this subpart, each manufacturer and importer shall determine the VOC content of a coating using the procedures described in paragraph (a)(1), (a)(2), or (a)(3) of this section, as appropriate. The VOC content of a tint base shall be determined without colorant that is added after the tint base is manufactured or imported.

(1) With the exception of low solids stains and low solids wood preservatives, determine the VOC content in grams of VOC per liter of coating thinned to the manufacturer's maximum recommendation, excluding the volume of any water and exempt compounds. Calculate the VOC content using equation 5 as follows:

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Where:

VOC content = grams of VOC per liter of coating Ws = weight of volatiles, in grams Ww = weight of water, in grams Wec = weight of exempt compounds, in grams Vm = volume of coating, in liters Vw = volume of water, in liters Vec = volume of exempt compounds, in liters
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