The Effects of Ultra-Low Sulfur 


Gasoline on Emissions from Tier 2 


Vehicles in the In-Use Fleet 


Final Report
 

Appendix B
 

Emission Concentration Plots
 

Assessment and Standards Division 

Office of Transportation and Air Quality 

U.S. Environmental Protection Agency 

NOTICE 

This technical report does not necessarily represent final EPA decisions or 

positions. It is intended to present technical analysis of issues using data that 

are currently available. The purpose in the release of such reports is to facilitate the exchange of technical information and to inform the public of technical developments. 

EPA-420-R-14-002 

March 2014 
Appendix B. Emission Concentration Plots 
 

0.001

0.01

0.1

1

1 0 parts per million

Bag 1 NOx concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

0.0001

0.001

0.01

0.1

1 parts per million

Bag 2 NOx concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

64 
0.001

0.01

0.1

1

1 0 parts per million

Bag 3 NOx concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

1

6

1 1

1 6

2 1

2 6

3 1

3 6

4 1 parts per million

Bag 1 THC concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

65 
1

2

3

4

5

6

7

8

9

1 0

1 1 parts per million

Bag 2 THC concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

1

3

5

7

9

1 1

1 3

1 5 parts per million

Bag 3 THC concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

66 
1

2

3

4

5

6

7parts per million

Bag 1 CH4 concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

1

1.5

2

2.5

3

3.5 parts per million

Bag 2 CH4 concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

67 
1

1.5

2

2.5

3

3.5

4

4.5

5

5.5 parts per million

Bag 3 CH4 concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

0.001

0.01

0.1

1

1 0

100

1000 parts per million

Bag 1 CO concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

68 
0.001

0.01

0.1

1

1 0

100 parts per million

Bag 2 CO concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

0.001

0.01

0.1

1

1 0

100

1000 parts per million

Bag 3 CO concentration Background Sample, High Sulfur Sample, Low Sulfur M500-0003 M501-0023 M502-0026 M503-0194 M504-0021 M505-0031 M506-0123 M507-0148 M508-0075 M509-0046 N510-0264 N511-0179 N512-0107 N513-0089 N513-0178 N514-0010 N514-0101 N514-0104 N515-0006 N515-0007 N515-0074 N515-0165 N520-0011 N520-0022 N520-0026 N521-0131 N521-0162 N521-0179 N521-0280 N521-0329 P522-0009 P522-0011 P522-0039 P522-0045 P522-0146

69