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 94.0 NA 94.7 94.0

VA Arlington County 51-013-0020 Aurora 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 51-059-1005 Annandale 94.0 NA 94.0 94.0

VA Fairfax County 51-059-5001 McLean 88.0 88 86.0 86.0

VA Loudoun County 51-107-1005 Ashburn 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 51-510-0009 Alexandria 90.0 92.0 86.8 86.8

Note: DVB means 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 Document for Approval and Promulgation of Air Quality Implementation Plans; District of Columbia, Maryland and 

Virginia; Attainment Demonstration for the 1997 8-Hour Ozone National Ambient Air Quality Standard for the Washington, DC-MD-VA Moderate 

Nonattainment Area (Docket ID#: EPA-R03-OAR-2013-0132)
AIRS ID Site Name EPA Method

9-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

51-013-0020 Aurora 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

51-059-1005 Annandale 0.88 0.873 0.877 0.873

51-059-5001 McLean 0.883 0.869 0.864 0.864

51-107-1005 Ashburn 0.869 0.872 0.874 0.869

51-153-0009 Long Park 0.871 0.865 0.866 0.865

51-510-0009 Alexandria 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 Column "I." 

Appendix A to 

Table A-3 Matrix of alternative baseline design values times alternative RRFs

DVB method

2001-2003 

DVB

2000-2004 

Straight 

Average 

DVB

EPA 

Method 

DVB
AIRS ID Site Name RRF Method EPA RRF EPA RRF 9-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

51-013-0020 Aurora 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

51-059-1005 Annandale 82.7 82.1

51-059-5001 McLean 77.7 75.9 76.5

51-107-1005 Ashburn 79.9 75.6 78.5

51-153-0009 Long Park 75.8 72.8 73.5

51-510-0009 Alexandria 81.2 76.6 78.5

Appendix A to 

Table A-4 Minimum and Maximum predicted 2009 design values from Table A-3

AIRS ID Site Name Jurisdiction State 

M 

Minimum

N 

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 74.4
24-031-3001 Rockville Montgomery MD 73.3 77.5

24-033-0002 Greenbelt Prince George's MD 79.3 81.7

24-033-8003 PG Equestrian Center Prince George's MD 78.7 81.9

51-013-0020 Aurora Hills Arlington CountyVA 81.2 88.4

51-059-0005 Chantilly Fairfax County VA 73.1 79.0

51-059-0018 Mount Vernon Fairfax County VA 82.8 85.7

51-059-0030 Franconia Fairfax County VA 80.1 85.4

51-059-1005 Annandale Fairfax County VA 82.1 82.7

51-059-5001 McLean Fairfax County VA 74.3 77.7

51-107-1005 Ashburn Loudoun CountyVA 75.6 80.4

51-153-0009 Long Park 

Prince William 

County VA 72.3 75.8

51-510-0009 Alexandria Alexandria City VA 75.3 81.2
E 

Maximum 

value in 

Cols A-C

88.7

92.0

94.0

NA 

94.0

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

mbia, Maryland and 

D-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

07 SIP Revisions

2001-2003 

DVB

2000-2004 

Straight 

Average 

DVB

EPA 

Method 

DVB

2001-2003 

DVB

2000-2004 

Straight 

Average 

DVB
9-cell RRF 9-cell RRF

Grid 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