Where:
Hc = Mass of organic HAP emission reduction for the controlled coating operation during the month, grams.
Ac = Total mass of organic HAP in the coatings used in the controlled coating operation during the month, grams.
Bc = Total mass of organic HAP in the thinners used in the controlled coating operation during the month, grams, as calculated in Equation 1B of this section.
Cc = Total mass of organic HAP in the cleaning materials used in the controlled coating operation during the month, grams, as calculated in Equation 1C of this section.
Hunc = Total mass of organic HAP in the coatings, thinners, and cleaning materials used during all deviations specified in § 63.4763(c) and (d) that occurred during the month in the controlled coating operation, grams, as calculated in Equation 1D of this section.
CE = Capture efficiency of the emission capture system vented to the add-on control device, percent. Use the test methods and procedures specified in §§ 63.4764 and 63.4765 to measure and record capture efficiency.
DRE = Organic HAP destruction or removal efficiency of the add-on control device, percent. Use the test methods and procedures in §§ 63.4764 and 63.4766 to measure and record the organic HAP destruction or removal efficiency.
Where:
Ac = Total mass of organic HAP in the coatings used in the controlled coating operation, grams.
Volc,i = Total volume of coating, i, used during the month, liters.
Dc,i = Density of coating, i, grams per liter.
Wc,i = mass fraction of organic HAP in coating, i, grams per gram.
m = Number of different coatings used.
Where:
Bc = Total mass of organic HAP in the thinners used in the controlled coating operation during the month, grams.
Volt,j = Total volume of thinner, j, used during the month, liters.
Dt,j = Density of thinner, j, grams per liter.
Wt,j = Mass fraction of organic HAP in thinner, j, grams per gram.
n = Number of different thinners used.
Where:
Cc = Total mass of organic HAP in the cleaning materials used in the controlled coating operation during the month, grams.
Vols,k = Total volume of cleaning material, k, used during the month, liters.
Ds,k = Density of cleaning material, k, grams per liter.
Ws,k = Mass fraction of organic HAP in cleaning material, k, grams per gram.
p = Number of different cleaning materials used.
Where:
Hunc = Total mass of organic HAP in the coatings, thinners, and cleaning materials used during all deviations specified in § 63.4763(c) and (d) that occurred during the month in the controlled coating operation, grams.
Volh = Total volume of coating, thinner, or cleaning material, h, used in the controlled coating operation during deviations, liters.
Dh = Density of coating, thinner, or cleaning material, h, grams per liter.
Wh = mass fraction of organic HAP in coating, thinner, or cleaning material, h, grams organic HAP per gram coating.
q = Number of different coatings, thinners, or cleaning materials.
Where:
Rv = Volatile organic matter collection and recovery efficiency of the solvent recovery system during the month, percent.
Mvr = Mass of volatile organic matter recovered by the solvent recovery system during the month, grams.
Voli = Volume of coating, i, used in the coating operation controlled by the solvent recovery system during the month, liters.
Di = Density of coating, i, grams per liter.
WVc,i = Mass fraction of volatile organic matter for coating, i, grams volatile organic matter per gram coating.
Volj = Volume of thinner, j, used in the coating operation controlled by the solvent recovery system during the month, liters.
Dj = Density of thinner, j, grams per liter.
WVt,j = Mass fraction of volatile organic matter for thinner, j, grams volatile organic matter per gram thinner.
Volk = Volume of cleaning material, k, used in the coating operation controlled by the solvent recovery system during the month, liters.
Dk = Density of cleaning material, k, grams per liter.
WVs,k = Mass fraction of volatile organic matter for cleaning material, k, grams volatile organic matter per gram cleaning material.
m = Number of different coatings used in the coating operation controlled by the solvent recovery system during the month.
n = Number of different thinners used in the coating operation controlled by the solvent recovery system during the month.
p = Number of different cleaning materials used in the coating operation controlled by the solvent recovery system during the month.
Where:
HCSR = Mass of organic HAP emission reduction for the coating operation controlled by the solvent recovery system during the month, grams.
ACSR = Total mass of organic HAP in the coatings used in the coating operation controlled by the solvent recovery system, grams, calculated using Equation 3A of this section.
BCSR = Total mass of organic HAP in the thinners used in the coating operation controlled by the solvent recovery system, grams, calculated using Equation 3B of this section.
CCSR = Total mass of organic HAP in the cleaning materials used in the coating operation controlled by the solvent recovery system, grams, calculated using Equation 3C of this section.
RV = Volatile organic matter collection and recovery efficiency of the solvent recovery system, percent, from Equation 2 of this section.
Where:
ACSR = Total mass of organic HAP in the coatings used in the coating operation controlled by the solvent recovery system during the month, grams.
Volc,i = Total volume of coating, i, used during the month in the coating operation controlled by the solvent recovery system, liters.
Dc,i = Density of coating, i, grams per liter.
Wc,i = Mass fraction of organic HAP in coating, i, grams per gram.
m = Number of different coatings used.
Where:
BCSR = Total mass of organic HAP in the thinners used in the coating operation controlled by the solvent recovery system during the month, grams.
Volt,j = Total volume of thinner, j, used during the month in the coating operation controlled by the solvent recovery system, liters.
Dt,j = Density of thinner, j, grams per liter.
Wt,j = Mass fraction of organic HAP in thinner, j, grams per gram.
n = Number of different thinners used.
Where:
CCSR = Total mass of organic HAP in the cleaning materials used in the coating operation controlled by the solvent recovery system during the month, grams.
Vols,k = Total volume of cleaning material, k, used during the month in the coating operation controlled by the solvent recovery system, liters.
Ds,k = Density of cleaning material, k, grams per liter.
Ws,k = Mass fraction of organic HAP in cleaning material, k, grams per gram.
p = Number of different cleaning materials used.
Where:
HHAP = Total mass of organic HAP emissions for the month, grams.
He = Total mass of organic HAP emissions before add-on controls from all the coatings, thinners, and cleaning materials used during the month, grams, determined according to paragraph (f) of this section.
Hc,i = Total mass of organic HAP emission reduction for controlled coating operation, i, not using a liquid-liquid material balance, during the month, grams, from Equation 1 of this section.
HCSR,j = Total mass of organic HAP emission reduction for coating operation, j, controlled by a solvent recovery system using a liquid-liquid material balance, during the month, grams, from Equation 3 of this section.
q = Number of controlled coating operations not using a liquid-liquid material balance.
r = Number of coating operations controlled by a solvent recovery system using a liquid-liquid material balance.
Where:
Hannual = Organic HAP emission rate for the 12-month compliance period, grams organic HAP per liter coating solids.
HHAP,y = Organic HAP emission rate for month, y, determined according to Equation 4 of this section.
Vst,y = Total volume of coating solids, liters, used during month, y, from Equation 2 of § 63.4751 .
y = Identifier for months.
40 C.F.R. §63.4761