How do I calculate the organic HAP content of aluminum recreational boat surface coatings?

§ 63.5752 How do I calculate the organic HAP content of aluminum recreational boat surface coatings?

(a) Use equation 1 of this section to calculate the weighted-average HAP content for all aluminum surface coatings used in the past 12 months.

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Where:

HAPSC = weighted-average organic HAP content for all aluminum coating materials, kilograms of organic HAP per liter of coating solids. m = number of different aluminum primers, top coats, and clear coats used in the past 12 months. Voli = volume of aluminum primer, top coat, or clear coat i used in the past 12 months, liters. Di = density of coating i, kilograms per liter. Wi = mass fraction of organic HAP in coating i, kilograms of organic HAP per kilogram of coating. p = number of different thinners, activators, and other coating additives used in the past 12 months. Volk = total volume of thinner, activator, or additive k used in the past 12 months, liters. Dk = density of thinner, activator, or additive k, kilograms per liter. Wk = mass fraction of organic HAP in thinner, activator, or additive k, kilograms of organic HAP per kilogram of thinner or activator. Solidsi = solids content of aluminum primer, top coat, or clear coat i, liter solids per liter of coating.
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