**Table A-1 Alternative baseline deisgn values** A B C

State Jurisdiction AIRS ID Site Name EPA Method DVB 2001-2003

DVB 2000-2004

Straight Average DVB D

Minimum value in Cols A-C

--- District of Columbia 11-001-0025 Takoma 88.7 88 87.6 87.6

--- District of Columbia 11-001-0041 River Terrace 89.0 92 85.2 85.2

--- District of Columbia 11-001-0043 McMillan 92.7 94 89.6 89.6 MD Calvert 24-009-0010 Calvert NA NA NA NA MD Charles 24-017-0010 Southern MD 93.0 94 91.6 91.6

MD Frederick 24-021-0037 Frederick Municipal Airport 87.3 88 85.8 85.8 MD Montgomery 24-031-3001 Rockville 86.7 88 85.2 85.2 MD Prince George's 24-033-0002 Greenbelt 94.0 93 92.5 92.5 MD Prince George's 24-033-8003 PG Equestrian Center 94.0NA 94.7 94.0 VA Arlington County 51-013-0020Aurora Hills 96.7 99 92.8 92.8 VA Fairfax County 51-059-0005 Chantilly 87.0 89 85.2 85.2 VA Fairfax County 51-059-0018 Mount Vernon 96.7 97 95.4 95.4 VA Fairfax County 51-059-0030 Franconia 95.0 97 91.8 91.8 VA Fairfax County 51-059-1005Annandale 94.0NA 94.0 94.0 VA Fairfax County 51-059-5001 McLean 88.0 88 86.0 86.0 VA Loudoun County 51-107-1005Ashburn 90.0 92 87.0 87.0 VA Prince William County 51-153-0009 Long Park 85.0 87.0 83.6 83.6 VA Alexandria City 51-510-0009Alexandria 90.0 92.0 86.8 86.8 **Note: DVB m eans baseline design value**  From Table 10-7. Methodologies for Calculating Baseline Design Values in the June 007 SIP Revisions

Appendix A to **Table A-2 Alternative Relative Response Factors (RRFs)** G H J **Appendix A to Technical Support Docum ent for Approval and Prom** **ulgation of Air Quality Im plem** **entation Plans; District of Colum bia, Maryland and**  **Virginia; Attainm ent Dem** **onstration for the 1997 8-Hour Ozone National Am bient Air Quality Standard for the Washington, DC-MD-VA Moderate**  **Nonattainm ent Area (Docket ID#: EPA-R03-OAR-2013-0132)** AIRS ID Site Name EPA Method9-Cell Average Method Grid Cell

Only Method K

Minimum value in Cols G-J 11-001-0025 Takoma 0.892 0.874 0.886 0.874 11-001-0041 River 0.883 0.872 0.909 0.872 11-001-0043 McMillan 0.883 0.872 0.909 0.872 24-009-0010 Calvert 0.836 0.815 0.81 0.81 24-017-0010 Southern MD 0.808 0.806 0.794 0.794

24-021-0037 Frederick Municipal

Airport 0.846 0.833 0.844 0.833 24-031-3001 Rockville 0.881 0.861 0.86 0.86 24-033-0002 Greenbelt 0.869 0.857 0.857 0.857 24-033-8003 PG Equestrian Center 0.865 0.838 0.837 0.837 51-013-0020Aurora Hills 0.891 0.875 0.893 0.875 51-059-0005 Chantilly 0.867 0.858 0.888 0.858 51-059-0018 Mount Vernon 0.883 0.872 0.868 0.868 51-059-0030 Franconia 0.88 0.873 0.877 0.873 51-059-1005Annandale 0.88 0.873 0.877 0.873 51-059-5001 McLean 0.883 0.869 0.864 0.864 51-107-1005Ashburn 0.869 0.872 0.874 0.869 51-153-0009 Long Park 0.871 0.865 0.866 0.865 51-510-0009Alexandria 0.883 0.872 0.868 0.868 From Table 10-8. Methodologies for Calculating Relative Response Factors in the June 007 SIP Revisions 

### Note:

. **Note: There is no Colum n "I."** 

Appendix A to **Table A-3 Matrix of alternative baseline design values tim es alternative RRFs** 

DVB method2001-2003

DVB 2000-2004

Straight Average DVB EPA

Method DVBAIRS ID Site Name RRF MethodEPA RRFEPA RRF9-cell RRF 11-001-0025 Takoma 78.5 78.1 77.5 11-001-0041 River 81.2 75.2 77.6 11-001-0043 McMillan 83.0 79.1 80.8 24-009-0010 Calvert 24-017-0010 Southern MD 76.0 74.0 75.0 24-021-0037 Frederick Municipal Airport 74.4 72.6 72.7 24-031-3001 Rockville 77.5 75.1 74.6 24-033-0002 Greenbelt 80.8 80.4 80.6 24-033-8003 PG Equestrian Center 81.9 78.8 51-013-0020Aurora Hills 88.2 82.7 84.6 51-059-0005 Chantilly 77.2 73.9 74.6 51-059-0018 Mount Vernon 85.7 84.2 84.3 51-059-0030 Franconia 85.4 80.8 82.9 51-059-1005Annandale 82.7 82.1 51-059-5001 McLean 77.7 75.9 76.5 51-107-1005Ashburn 79.9 75.6 78.5 51-153-0009 Long Park 75.8 72.8 73.5 51-510-0009Alexandria 81.2 76.6 78.5

Appendix A to **Table A-4 Minim um and Maxim** **um predicted 2009 design values from Table A-3** 

AIRS ID Site Name Jurisdiction State M MinimumN

Maximum 11-001-0025 Takoma District of Columbia --- 76.6 79.1 11-001-0041 River Terrace District of Columbia --- 74.3 83.6 11-001-0043 McMillan District of Columbia --- 78.1 85.4 24-009-0010 Calvert Calvert MD 24-017-0010 Southern MD Charles MD 72.7 76.0

24-021-0037 Frederick Municipal

Airport Frederick MD 71.5 74.424-031-3001 Rockville MontgomeryMD 73.3 77.5 24-033-0002 Greenbelt Prince George'sMD 79.3 81.7 24-033-8003 PG Equestrian Center Prince George'sMD 78.7 81.9 51-013-0020Aurora Hills Arlington County VA 81.2 88.4 51-059-0005 Chantilly Fairfax CountyVA 73.1 79.0 51-059-0018 Mount Vernon Fairfax CountyVA 82.8 85.7 51-059-0030 Franconia Fairfax CountyVA 80.1 85.4 51-059-1005Annandale Fairfax CountyVA 82.1 82.7 51-059-5001 McLean Fairfax CountyVA 74.3 77.7 51-107-1005Ashburn Loudoun County VA 75.6 80.4

51-153-0009 Long Park Prince William County VA 72.3 75.8 51-510-0009Alexandria Alexandria CityVA 75.3 81.2E Maximum value in Cols A-C 88.7 92.0 94.0 NA94.0

88.0 88.0 94.0 94.7 99.0 89.0 97.0 97.0 94.0 88.0 92.0 87.0 92.0 **Appendix A to Technical Support Docum ent for Approval and Prom** **ulgation of Air Quality Im plem** **entation Plans; District of Colum bia, Maryland and**  **Virginia; Attainm ent Dem** **onstration for the 1997 8-Hour Ozone National Am bient Air Quality Standard for the Washington, DC-MD-VA Moderate** L Maximum value in Cols G-J EPA

Methods: DVB times EPA RRF 0.892 79.1 0.909 78.6 0.909 81.9 0.836 0.808 75.1

0.846 73.9 0.881 76.4 0.869 81.7 0.865 81.3 0.893 86.2 0.888 75.4 0.883 85.4 0.880 83.6 0.880 82.7 0.883 77.7 0.874 78.2 0.871 74.0 0.883 79.5 From Table 10-8. Methodologies for Calculating Relative Response Factors in the June 007 SIP Revisions

2001-2003 DVB 2000-2004

Straight Average DVB EPA

Method DVB 2001-2003

DVB 2000-2004

Straight Average DVB9-cell RRF9-cell RRFGrid cell RRF Grid cell

RRF Grid cell

RRF Average of

all combinatio

ns 76.9 76.6 78.6 78.0 77.6 77.7 

### 76.6 78.6 80.2 74.3 80.9 83.6 77.4 78.8 

### 74.3 83.6 82.0 78.1 84.3 85.4 81.4 81.8 

### 78.1 85.4 0.0 0.0 75.8 73.8 73.8 74.6 72.7 74.5 

### 72.7 76.0 73.3 71.5 73.7 74.3 72.4 73.1 

### 71.5 74.4 75.8 73.4 74.6 75.7 73.3 75.0 

### 73.3 77.5 79.7 79.3 80.6 79.7 79.3 80.0 

### 79.3 80.8

79.4 78.7 79.3 79.6 

### 78.7 81.9 86.6 81.2 86.4 88.4 82.9 85.1 

### 81.2 88.4 76.4 73.1 77.3 79.0 75.7 75.9 

### 73.1 79.0 84.6 83.2 83.9 84.2 82.8 84.1 

### 82.8 85.7 84.7 80.1 83.3 85.1 80.5 82.8 

### 80.1 85.4

82.1 82.4 82.4 82.3 

### 82.1 82.7 76.5 74.7 76.0 76.0 74.3 76.0 

### 74.3 77.7 80.2 75.9 78.7 80.4 76.0 78.2 

### 75.6 80.4 75.3 72.3 73.6 75.3 72.4 73.9 

### 72.3 75.8 80.2 75.7 78.1 79.9 75.3 78.2 

### 75.3 81.2