Directions -

Facility Profile

Max. Capacity - 3 (cars/day)

Subject to NESHAP, Subpart HHHHHH? Y (Y or N)

Coating Information -

Worst Case Coating for VOC Emissions:

Max. Coating Usage - 2.0 (gal/car)

Worst Case Coating Density - 8.34 (lb/gal) If using site-specific information, provide a copy of MSDS for this coating.

Worst Case VOC Content of the Coating - 100% (%) If using site-specific information, provide a copy of MSDS for this coating.

Worst Case Coating for PM Emissions:

Max. Coating Usage - 1.5 (gal/car)

Worst Case Coating Density - 8.34 (lb/gal) If using site-specific information, provide a copy of MSDS for this coating.

Worst Case Coating Solid Content - 100% (%) If using site-specific information, provide a copy of MSDS for this coating.

Transfer Efficiency- 40% (%) (select the lowest applicable 40% for air atomized spray;

one) 45% for airless spray;

60% for manual electrostatic spray;

75% for HVLP guns;

85% for flow coat, dip coat, and non rotational automatic electrostatic spray;

90% for rotating head automatic electrostatic spray;

95% for electrodeposition, powder

Type of PM Control Equipment- Filter

Solvent Information -

Max. Solvent Usage - 1 (gal/car)

Worst Case Solvent Density - 8.34 (lb/gal) If using site-specific information, provide a copy of MSDS for this coating.

Worst Case VOC Content of the Solvent - 100% (%) If using site-specific information, provide a copy of MSDS for this coating.

Metal Degreasing Information -

Solvent Density 11 lb/gal Provide an MSDS for each solvent used

Annual solvent makeup 500 gallons Solvent makeup is gross usage minus waste disposal

Total Heating Unit Capacity - 10 (MMBtu/hr)

Fuels Used

Natural Gas- Y (Y or N) Sulfur (gr/100 ft3

)

Propane- Y (Y or N) 15.0 Default = 15

Butan- Y (Y or N) 15.0 Default = 15

Enter the facility's information below. 

For heating fuels used, write the letter "Y" or "N" next to each fuel type to indicate that the facility does or does not burn that type of fuel. 

The facility wide emissions will be displayed on the "Output" sheet. 

Excel chooses the correct criteria pollutant emission rate depending on the type of fuels used. 

Potential To Emit Calculator for Auto Body Repair and Miscellaneous Surface Coating Operations

3/23/2015

This spreadsheet helps estimate a facility's potential to emit. It is provided for the convenience of the permitted community. EPA does not guarantee the accuracy or appropriateness of this 

information. Emission factor sources are subject to revision or correction. It is the permittee's responsibility to verify the accuracy of the information. EPA is not liable for errors or omissions.

Page 1 of 1
Facility Total PTE (ton/yr)

Process/Unit PM PM10 PM2.5 SO2 NOX CO VOC

Surface Coating Operations 0.08 0.08 0.08 - - - 13.70

Heater(s) 0.10 0.34 0.34 0.72 6.44 3.61 0.48

Cold Degreasers - - - - - - 2.75

Total PTE 0.18 0.43 0.43 0.72 6.44 3.61 14.18

3/23/2015

Potential To Emit Calculator for Auto Body Repair and Miscellaneous Surface Coating Operations

Page 1 of 1
Emissions from Surface Coating Operations

Purple values are pulled from other worksheet

Blue values are results

PTE of VOC:

Density Max. VOC 

Content Max. Usage Max. Capacity PTE of VOC

(lb/gal) (%) (gal/car) (car/day) (ton/yr)

Worst Case Coating for VOC 8.34 100.0% 2.0 3.0 9.13

Worst Case Solvent 8.34 100.0% 1.0 3.0 4.57

Total 13.70

Methodology

PTE of VOC (ton/yr) = Max. Usage (gal/car) x Max. Capacity (car/day) x 365 day/yr x Density (lb/gal) x VOC Content (%) x 1 ton/2000 lb

PTE of PM/PM10/PM2.5

Subject to NESHAP, Subpart HHHHHH? Y PM Control Efficiency = 98%

(If not subject to this NESHAP, control equipment is not counted while calculating PTE, i.e., control Efficiency = 0%)

Density Coating Solid 

Content Max. Usage Max. Capacity Transfer Efficiency Control Efficiency

PTE of 

PM/PM10/PM2.5

(lb/gal) (%) (gal/car) (car/day) (%) (%) (ton/yr)

Worst Case Coating for PM 8.34 100.0% 1.5 3.0 40.0% 98.0% 0.08

Methodology

PTE of PM/PM10/PM2.5 (ton/yr) = Max. Usage (gal/car) x Max. Capacity (car/day) x 365 day/yr x Density (lb/gal) x Coating Solid Content (%) x (1-Transfer Efficiency) x (1-Control Efficiency) x 1 ton/2000 lb

3/23/2015

Potential To Emit Calculator for Auto Body Repair and Miscellaneous Surface Coating Operations

Page 1 of 1
Emissions from Heater(s) - Criteria Pollutants

10 Heat Input (MMBtu/hr) Purple values are pulled from other worksheet

Blue values are results

Worst Case PTE (ton/yr) PM PM10 PM2.5 SO2 NOX CO VOC

0.10 0.34 0.34 0.72 6.44 3.61 0.48

Fuel Type: Natural Gas Used: Y

Pollutant

PM PM10

2 PM2.53 SO2 NOX CO VOC

Emission Factor1 (lb/MMSCF) 1.9 7.6 7.6 0.6 100 84 5.5

PTE (ton/yr) 0.08 0.33 0.33 0.03 4.29 3.61 0.24

Note:

1. Emission factors are from AP-42, Chapter 1.4, Tables 1.4-1 and 1.4-2 (updated 07/98).

2. PM10 emission factor is condensable and filterable PM combined. PM emission factor is for filterable PM only.

3. Assume PM2.5 emissions are equal to PM10 emissions.

Methodology

PTE (ton/yr) = Heat Input (MMBtu/hr) x 1 MMSCF/1,020 MMBtu x EF (lb/MMSCF) x 8760 hr/yr x 1 ton/2000 lb

Fuel Type: Propane Used: Y Sulfur Content: 15.00 gr/100 ft3

Pollutant

PM PM10

2 PM2.53 SO2 NOX CO VOC

Emission Factor1 (lbs/kgal) 0.2 0.7 0.7 1.5 13 7.5 1.0

PTE (ton/yr) 0.10 0.34 0.34 0.72 6.22 3.59 0.48

Note:

1. Emission factors are from AP-42, Chapter 1.5, Table 1.5.1 (updated 07/08).

2. PM10 emission factor is condensable and filterable PM combined. PM emission factor is for filterable PM only.

3. Assume PM2.5 emissions are equal to PM10 emissions.

Methodology

PTE (ton/yr) = Heat Input (MMBtu/hr) x 1 kgal/91.5 MMBtu x EF (lb/kgal) x 8760 hr/yr x 1 ton/2000 lb

Fuel Type: Butane Used: Y Sulfur Content: 15.00 gr/100 ft3

Pollutant

PM PM10

2 PM2.53 SO2 NOX CO VOC

Emission Factor1 (lb/kgal) 0.2 0.8 0.8 1.35 15 8.4 1.1

PTE (ton/yr) 0.09 0.34 0.34 0.58 6.44 3.61 0.47

Note:

1. Emission factors are from AP-42, Chapter 1.5, Table 1.5.1 (updated 07/08).

2. PM10 emission factor is condensable and filterable PM combined. PM emission factor is for filterable PM only.

3. Assume PM2.5 emissions are equal to PM10 emissions.

Methodology

PTE (ton/yr) = Heat Input (MMBtu/hr) x 1 kgal/102 MMBtu x EF (lb/kgal) x 8760 hr/yr x 1 ton/2000 lb

Potential To Emit Calculator for Auto Body Repair and Miscellaneous Surface Coating Operations

3/23/2015

Page 1 of 1
Emissions from Batch-loaded Cold Cleaning Degreasers

Density 11 lb/gal

Annual Makeup 500 gallons

Worst Case PTE (ton/yr) PM PM10 PM2.5 SO2

0.00 0.00 0.00 0.00

Note: Emissions based on a mass balance, where annual makeup is the difference between the gallons of solvent used a

Potential To Emit Calculator for Auto Body Repair and Miscel

3/23/2015
Purple values are pulled from other worksheet

Blue values are results

NOX CO VOC

0.00 0.00 2.75

between the gallons of solvent used and the gallons of solvent removed as waste

Repair and Miscellaneous Surface Coating Operations

3/23/2015