You must demonstrate compliance each month with the emission limitations in § 63.3320(b)(1) through (4) . For each monthly demonstration, you may apply any combination of the emission limitations to each of your web coating lines individually, to each of one or more groupings of your lines (including a single grouping encompassing all lines of your affected source), or to any combination of individual and grouped lines, so long as each web coating line is included in the compliance demonstration for the month (i.e., you are not required to apply the same emission limitation to each of the individual lines or groups of lines). You may change the emission limitation that you apply each month to your individual or grouped lines, and you may change line groupings for your monthly compliance demonstration.
If you choose to demonstrate compliance by: | Then you must demonstrate that: | To accomplish this: |
(1) Use of "as-purchased" compliant coating materials | (i) Each coating material used at an existing affected source does not exceed 0.04 kg organic HAP per kg coating material, and each coating material used at a new affected source does not exceed 0.016 kg organic HAP per kg coating material as-purchased; or | Follow the procedures set out in § 63.3370(b) . |
(ii) Each coating material used at an existing affected source does not exceed 0.2 kg organic HAP per kg coating solids, and each coating material used at a new affected source does not exceed 0.08 kg organic HAP per kg coating solids as-purchased | Follow the procedures set out in § 63.3370(b) . | |
(2) Use of "as-applied" compliant coating materials | (i) Each coating material used at an existing affected source does not exceed 0.04 kg organic HAP per kg coating material, and each coating material used at a new affected source does not exceed 0.016 kg organic HAP per kg coating material as-applied; or | Follow the procedures set out in § 63.3370(c)(1) . Use either Equation 4 or 5 of § 63.3370 to determine compliance with § 63.3320(b)(2) in accordance with § 63.3370(c)(5)(i) . |
(ii) Each coating material used at an existing affected source does not exceed 0.2 kg organic HAP per kg coating solids, and each coating material used at a new affected source does not exceed 0.08 kg organic HAP per kg coating solids as-applied; or | Follow the procedures set out in § 63.3370(c)(2) . Use Equations 6 and 7 of § 63.3370 to determine compliance with § 63.3320(b)(3) in accordance with § 63.3370(c)(5)(i) . | |
(iii) Monthly average of all coating materials used at an existing affected source does not exceed 0.04 kg organic HAP per kg coating material, and monthly average of all coating materials used at a new affected source does not exceed 0.016 kg organic HAP per kg coating material as-applied on a monthly average basis; or | Follow the procedures set out in § 63.3370(c)(3) . Use Equation 8 of § 63.3370 to determine compliance with § 63.3320(b)(2) in accordance with § 63.3370(c)(5)(ii) . | |
(iv) Monthly average of all coating materials used at an existing affected source does not exceed 0.2 kg organic HAP per kg coating solids, and monthly average of all coating materials used at a new affected source does not exceed 0.08 kg organic HAP per kg coating solids as-applied on a monthly average basis | Follow the procedures set out in § 63.3370(c)(4) . Use Equation 9 of § 63.3370 to determine compliance with § 63.3320(b)(3) in accordance with § 63.3370(c)(5)(ii) . | |
(3) Tracking total monthly organic HAP applied | Total monthly organic HAP applied does not exceed the calculated limit based on emission limitations | Follow the procedures set out in § 63.3370(d) . Show that total monthly HAP applied (Equation 10 of § 63.3370 ) is less than the calculated equivalent allowable organic HAP (Equation 17 or 18 of § 63.3370 ). |
(4) Accounting for volatile matter retained in the coated web or otherwise not emitted | A site- and product-specific emission factor was appropriately established for the group of products for which the site- and product-specific emission factor was used in the compliance calculations | Follow the procedures set out in § 63.3360(g) and § 63.3370(e) |
(5) Use of a capture system and control device | (i) Overall organic HAP control efficiency is equal to 95 percent at an existing affected source and 98 percent at a new affected source on a monthly basis; or oxidizer outlet organic HAP concentration is no greater than 20 ppmv and capture efficiency is 100 percent; or operating parameters are continuously monitored; or | Follow the procedures set out in § 63.3370(f) to determine compliance with § 63.3320(b)(1) according to § 63.3370(j) if using a solvent recovery device, or § 63.3370(k) if using a control device and CPMS, or § 63.3370(l) if using an oxidizer. |
(ii) Overall organic HAP emission rate does not exceed 0.2 kg organic HAP per kg coating solids for an existing affected source or 0.08 kg organic HAP per kg coating solids for a new affected source on a monthly average as-applied basis; | Follow the procedures set out in § 63.3370(g) to determine compliance with § 63.3320(b)(3) according to § 63.3370(j) if using a solvent recovery device, or § 63.3370(l) if using an oxidizer. | |
(iii) Overall organic HAP emission rate does not exceed 0.04 kg organic HAP per kg coating material for an existing affected source or 0.016 kg organic HAP per kg coating material for a new affected source on a monthly average as-applied basis; or | Follow the procedures set out in § 63.3370(h) to determine compliance with § 63.3320(b)(2) according to § 63.3370(j) if using a solvent recovery device, or § 63.3370(l) if using an oxidizer. | |
(iv) Overall organic HAP emission rate does not exceed the calculated limit based on emission limitations | Follow the procedures set out in § 63.3370(i) . Show that the monthly organic HAP emission rate is less than the calculated equivalent allowable organic HAP emission rate (Equation 17 or 18 of § 63.3370 ). Calculate the monthly organic HAP emission rate according to § 63.3370(j) if using a solvent recovery device, or § 63.3370(l) if using an oxidizer. | |
(6) Use of multiple capture and/or control devices | (i) Overall organic HAP control efficiency is equal to 95 percent at an existing affected source and 98 percent at a new affected source on a monthly basis; or | Follow the procedures set out in § 63.3370(f) to determine compliance with § 63.3320(b)(1) according to § 63.3370(f)(1) or (2) . |
(ii) Average equivalent organic HAP emission rate does not exceed 0.2 kg organic HAP per kg coating solids for an existing affected source or 0.08 kg organic HAP per kg coating solids for a new affected source on a monthly average as-applied basis; or | Follow the procedures set out in § 63.3370(g) to determine compliance with § 63.3320(b)(3) according to § 63.3370(o) . | |
(iii) Average equivalent organic HAP emission rate does not exceed 0.04 kg organic HAP per kg coating material for an existing affected source or 0.016 kg organic HAP per kg coating material for a new affected source on a monthly average as-applied basis; or | Follow the procedures set out in § 63.3370(h) to determine compliance with § 63.3320(b)(2) according to § 63.3370(o) . | |
(iv) Average equivalent organic HAP emission rate does not exceed the calculated limit based on emission limitations | Follow the procedures set out in § 63.3370(i) . Show that the monthly organic HAP emission rate is less than the calculated equivalent allowable organic HAP emission rate (Equation 17 or 18 of § 63.3370 ) according to § 63.3370(o) . | |
(7) Use of a combination of compliant coatings and control devices | (i) Average equivalent organic HAP emission rate does not exceed 0.2 kg organic HAP per kg coating solids for an existing affected source or 0.08 kg organic HAP per kg coating solids for a new affected source on a monthly average as-applied basis; or | Follow the procedures set out in § 63.3370(g) to determine compliance with § 63.3320(b)(3) according to § 63.3370(o) . |
(ii) Average equivalent organic HAP emission rate does not exceed 0.04 kg organic HAP per kg coating material for an existing affected source or 0.016 kg organic HAP per kg coating material for a new affected source on a monthly average as-applied basis; or | Follow the procedures set out in § 63.3370(h) to determine compliance with § 63.3320(b)(2) according to § 63.3370(o) . | |
(iii) Average equivalent organic HAP emission rate does not exceed the calculated limit based on emission limitations | Follow the procedures set out in § 63.3370(i) . Show that the monthly organic HAP emission rate is less than the calculated equivalent allowable organic HAP emission rate (Equation 17 or 18 of § 63.3370 ) according to § 63.3370(o) . | |
(8) Use of non-HAP coatings | All coatings for all coating lines at an affected source have organic HAP contents below 0.1 percent by mass for OSHA-defined carcinogens as specified in section A.6.4 of appendix A to 29 CFR 1910.1200 , and below 1.0 percent by mass for other organic HAP compounds | Follow the procedures set out in § 63.3370(s) . |
Where:
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
Chi = Organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = number of different materials added to the coating material.
Chij = Organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg. or calculate the as-applied volatile organic content of each coating material using Equation 5:
Where:
Cavi = Monthly average, as-applied, volatile organic content of coating material, i, expressed as a mass fraction, kg/kg.
Cvi = Volatile organic content of coating material, i, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Cvij = Volatile organic content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Where:
Csi = Coating solids content of coating material, i, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Csij = Coating solids content of material, j, added to as-purchased coating material, i, expressed as a mass-fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Where:
Hsi = As-applied, organic HAP to coating solids ratio of coating material, i.
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
Casi = Monthly average, as-applied, coating solids content of coating material, i, expressed as a mass fraction, kg/kg.
Where:
HL = Monthly average, as-applied, organic HAP content of all coating materials applied, expressed as kg organic HAP per kg of coating material applied, kg/kg.
p = Number of different coating materials applied in a month.
Chi = Organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Chij = Organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in § 63.3370 .
Where:
Hs = Monthly average, as-applied, organic HAP to coating solids ratio, kg organic HAP/kg coating solids applied.
p = Number of different coating materials applied in a month.
Chi = Organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Chij = Organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in § 63.3370 .
Csi = Coating solids content of coating material, i, expressed as a mass fraction, kg/kg.
Csij = Coating solids content of material, j, added to as-purchased coating material, i, expressed as a mass-fraction, kg/kg.
Where:
Hm = Total monthly organic HAP applied, kg.
p = Number of different coating materials applied in a month.
Chi = Organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Chij = Organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in § 63.3370 .
Where:
Rv = Organic volatile matter collection and recovery efficiency, percent.
Mvr = Mass of volatile matter recovered in a month, kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
p = Number of different coating materials applied in a month.
Cvi = Volatile organic content of coating material, i, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Cvij = Volatile organic content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Where:
He = Total monthly organic HAP emitted, kg.
Rv = Organic volatile matter collection and recovery efficiency, percent.
p = Number of different coating materials applied in a month.
Chi = Organic HAP content of coating material, i, as-purchased, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Chij = Organic HAP content of material, j, added to as-purchased coating material, i, expressed as a mass fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
Where:
L = Mass organic HAP emitted per mass of coating solids applied, kg/kg.
He = Total monthly organic HAP emitted, kg.
p = Number of different coating materials applied in a month.
Csi = Coating solids content of coating material, i, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Csij = Coating solids content of material, j, added to as-purchased coating material, i, expressed as a mass-fraction, kg/kg.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Where:
S = Mass organic HAP emitted per mass of material applied, kg/kg.
He = Total monthly organic HAP emitted, kg.
p = Number of different coating materials applied in a month.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
q = Number of different materials added to the coating material.
Mij = Mass of material, j, added to as-purchased coating material, i, in a month, kg.
Where:
R = Overall organic HAP control efficiency, percent.
E = Organic volatile matter control efficiency of the control device, percent.
CE = Organic volatile matter capture efficiency of the capture system, percent.
Where:
He = Total monthly organic HAP emitted, kg.
R = Overall organic HAP control efficiency, percent.
p = Number of different coating materials applied in a month.
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
Where:
Ha = Monthly allowable organic HAP emissions, kg.
p = Number of different coating materials applied in a month.
Mi = mass of as-purchased coating material, i, applied in a month, kg.
Gi = Mass fraction of each coating material, i, which was applied at 20 mass percent or greater coating solids content, on an as-applied basis, kg/kg.
Csi = Coating solids content of coating material, i, expressed as a mass fraction, kg/kg.
q = Number of different materials added to the coating material.
MLj = Mass of non-coating-solids-containing coating material, j, added to coating-solids-containing coating materials which were applied at less than 20 mass percent coating solids content, on an as-applied basis, in a month, kg.
or Equation 18 for a new affected source:
Where:
Ha = Monthly allowable organic HAP emissions, kg.
p = Number of different coating materials applied in a month.
Mi = Mass of as-purchased coating material, i, applied in a month, kg.
Gi = Mass fraction of each coating material, i, which was applied at 20 mass percent or greater coating solids content, on an as-applied basis, kg/kg.
Csi = Coating solids content of coating material, i, expressed as a mass fraction, kg/kg.
q = Number of different materials added to the coating material.
MLj = Mass of non-coating-solids-containing coating material, j, added to coating-solids-containing coating materials which were applied at less than 20 mass percent coating solids content, on an as-applied basis, in a month, kg.
Where:
He = Total monthly organic HAP emitted, kg.
p = Number of different coating materials applied in a month.
Mci = Sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in controlled mode and the mass of coating material, i, as-applied on always-controlled work stations, in a month, kg.
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
Rv = Organic volatile matter collection and recovery efficiency, percent.
MBi = Sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in bypass mode and the mass of coating material, i, as-applied on never-controlled work stations, in a month, kg.
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
Where:
He = Total monthly organic HAP emitted, kg.
p = Number of different coating materials applied in a month.
Mci = Sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in controlled mode and the mass of coating material, i, as-applied on always-controlled work stations, in a month, kg.
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
R = Overall organic HAP control efficiency, percent.
MBi = Sum of the mass of coating material, i, as-applied on intermittently-controlled work stations operating in bypass mode and the mass of coating material, i, as-applied on never-controlled work stations, in a month, kg.
Cahi = Monthly average, as-applied, organic HAP content of coating material, i, expressed as a mass fraction, kg/kg.
Mvret = Mass of volatile matter retained in the coated web after curing or drying, or otherwise not emitted to the atmosphere, kg. The value of this term will be zero in all cases except where you choose to take into account the volatile matter retained in the coated web or otherwise not emitted to the atmosphere for the compliance demonstration procedures in this section.
40 C.F.R. §63.3370