fips stfips ctyfips state_a bbr county_name TIER1 TIER1NAME pollutant_c ode

11001 11 1 DC District of Columbia 11 HIGHWAY VEHICLES VOC

Baltimore Area 24003 24 3MD Anne Arundel 11 HIGHWAY VEHICLES VOC 24005 24 5MD Baltimore 11 HIGHWAY VEHICLES VOC 24013 24 13MD Carroll 11 HIGHWAY VEHICLES VOC 24025 24 25MD Harford 11 HIGHWAY VEHICLES VOC 24027 24 27MD Howard 11 HIGHWAY VEHICLES VOC 24510 24 510MD Baltimore city 11 HIGHWAY VEHICLES VOC

Maryland Portion of Washington 24009 24 9MD Calvert 11 HIGHWAY VEHICLES VOC 24017 24 17MD Charles 11 HIGHWAY VEHICLES VOC 24021 24 21MD Frederick 11 HIGHWAY VEHICLES VOC 24031 24 31MD Montgomery 11 HIGHWAY VEHICLES VOC 24033 24 33MD Prince George's 11 HIGHWAY VEHICLES VOC

Other Maryland CSA Counties 24035 24 35MD Queen Anne's 11 HIGHWAY VEHICLES VOC 24037 24 37MD St. Mary's 11 HIGHWAY VEHICLES VOC

Virginia Portion of Washington 51013 51 13VA Arlington 11 HIGHWAY VEHICLES VOC 51059 51 59VA Fairfax 11 HIGHWAY VEHICLES VOC 51107 51 107VA Loudoun 11 HIGHWAY VEHICLES VOC 51153 51 153VA Prince William 11 HIGHWAY VEHICLES VOC 51510 51 510VA Alexandria city 11 HIGHWAY VEHICLES VOC 51600 51 600VA Fairfax city 11 HIGHWAY VEHICLES VOC 51610 51 610VA Falls Church city 11 HIGHWAY VEHICLES VOC 51683 51 683VA Manassas city 11 HIGHWAY VEHICLES VOC 51685 51 685VA Manassas Park city 11 HIGHWAY VEHICLES VOC

Fredericksburg, VA Area 51177 51 177VA Spotsylvania 11 HIGHWAY VEHICLES VOC 51179 51 179VA Stafford 11 HIGHWAY VEHICLES VOC 51630 51 630VA Fredericksburg city 11 HIGHWAY VEHICLES VOC

Frederick Co. VA Area 51069 51 69VA Frederick 11 HIGHWAY VEHICLES VOC 51840 51 840VA Winchester city 11 HIGHWAY VEHICLES VOC 

### APPENDIX 3 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern TABLE A3-1 Highway Vehicle Mobile Source Emissions by County - 2008Other Virginia CSA Counties

51043 51 43VA Clarke 11 HIGHWAY VEHICLES VOC 51047 51 47VA Culpeper 11 HIGHWAY VEHICLES VOC 51061 51 61 VA Fauquier 11 HIGHWAY VEHICLES VOC 51187 51 187VA Warren 11 HIGHWAY VEHICLES VOC

Other West Virginia CSA Counties 54037 54 37WV Jefferson 11 HIGHWAY VEHICLES VOC 54027 54 27WV Hampshire 11 HIGHWAY VEHICLES VOC

Washington Area (1997 ozone nonattainment area) Subtotal Baltimore Area (1997 ozone nonattainment area) Subtotal Baltimore + Washington Areas CSA Totals

Other Adjacent Virginia Counties 51033 51 33VA Caroline 11 HIGHWAY VEHICLES VOC 51057 51 57VA Essex 11 HIGHWAY VEHICLES VOC 51097 51 97VA King and Queen 11 HIGHWAY VEHICLES VOC 51099 51 99VA King George 11 HIGHWAY VEHICLES VOC 51101 51 101 VA King William 11 HIGHWAY VEHICLES VOC 51133 51 133VA Northumberland 11 HIGHWAY VEHICLES VOC 51137 51 137VA Orange 11 HIGHWAY VEHICLES VOC 51139 51 139VA Page 11 HIGHWAY VEHICLES VOC 51157 51 157VA Rappahannock 11 HIGHWAY VEHICLES VOC 51159 51 159VA Richmond 11 HIGHWAY VEHICLES VOC 51171 51 171 VA Shenandoah 11 HIGHWAY VEHICLES VOC 51193 51 193VA Westmoreland 11 HIGHWAY VEHICLES VOC

Other Adjacent Maryland Counties 24011 24 11MD Caroline 11 HIGHWAY VEHICLES VOC 24041 24 41MD Talbot 11 HIGHWAY VEHICLES VOC 24019 24 19MD Dorchester 11 HIGHWAY VEHICLES VOC 24043 24 43MD Washington 11 HIGHWAY VEHICLES VOC 24029 24 29MD Kent 11 HIGHWAY VEHICLES VOC

Other Adjacent West Virginia County 54003 54 3WV Berkeley 11 HIGHWAY VEHICLES VOC

11001 11 1 DC District of Columbia 11 HIGHWAY VEHICLES NOXBaltimore Area

24003 24 3MD Anne Arundel 11 HIGHWAY VEHICLES NOX 24005 24 5MD Baltimore 11 HIGHWAY VEHICLES NOX 24013 24 13MD Carroll 11 HIGHWAY VEHICLES NOX 24025 24 25MD Harford 11 HIGHWAY VEHICLES NOX 24027 24 27MD Howard 11 HIGHWAY VEHICLES NOX 24510 24 510MD Baltimore city 11 HIGHWAY VEHICLES NOX

24009 24 9MD Calvert 11 HIGHWAY VEHICLES NOX 24017 24 17MD Charles 11 HIGHWAY VEHICLES NOX 24021 24 21MD Frederick 11 HIGHWAY VEHICLES NOX 24031 24 31MD Montgomery 11 HIGHWAY VEHICLES NOX 24033 24 33MD Prince George's 11 HIGHWAY VEHICLES NOX

Other Maryland CSA Counties 24037 24 37MD St. Mary's 11 HIGHWAY VEHICLES NOX 24035 24 35MD Queen Anne's 11 HIGHWAY VEHICLES NOX

Maryland CSA Total

51013 51 13VA Arlington 11 HIGHWAY VEHICLES NOX 51059 51 59VA Fairfax 11 HIGHWAY VEHICLES NOX 51107 51 107VA Loudoun 11 HIGHWAY VEHICLES NOX 51153 51 153VA Prince William 11 HIGHWAY VEHICLES NOX 51510 51 510VA Alexandria city 11 HIGHWAY VEHICLES NOX 51600 51 600VA Fairfax city 11 HIGHWAY VEHICLES NOX 51610 51 610VA Falls Church city 11 HIGHWAY VEHICLES NOX 51683 51 683VA Manassas city 11 HIGHWAY VEHICLES NOX 51685 51 685VA Manassas Park city 11 HIGHWAY VEHICLES NOX

Fredericksburg, VA Area 51177 51 177VA Spotsylvania 11 HIGHWAY VEHICLES NOX 51179 51 179VA Stafford 11 HIGHWAY VEHICLES NOX 51630 51 630VA Fredericksburg city 11 HIGHWAY VEHICLES NOX

Frederick Co. VA Area 51069 51 69VA Frederick 11 HIGHWAY VEHICLES NOX 51840 51 840VA Winchester city 11 HIGHWAY VEHICLES NOX

Other Virginia CSA Counties 51061 51 61 VA Fauquier 11 HIGHWAY VEHICLES NOX 51043 51 43VA Clarke 11 HIGHWAY VEHICLES NOX 51047 51 47VA Culpeper 11 HIGHWAY VEHICLES NOX 51187 51 187VA Warren 11 HIGHWAY VEHICLES NOX

Virginia CSA SubtotalOther West Virginia CSA Counties

54037 54 37WV Jefferson 11 HIGHWAY VEHICLES NOX 54027 54 27WV Hampshire 11 HIGHWAY VEHICLES NOX West Virginia CSA Subtotal

Washington Area (1997 ozone nonattainment area) Subtotal Baltimore Area (1997 ozone nonattainment area) Subtotal Baltimore + Washington Areas CSA Totals

Other Adjacent Virginia Counties 51033 51 33VA Caroline 11 HIGHWAY VEHICLES NOX 51057 51 57VA Essex 11 HIGHWAY VEHICLES NOX 51097 51 97VA King and Queen 11 HIGHWAY VEHICLES NOX 51099 51 99VA King George 11 HIGHWAY VEHICLES NOX 51101 51 101 VA King William 11 HIGHWAY VEHICLES NOX 51133 51 133VA Northumberland 11 HIGHWAY VEHICLES NOX 51137 51 137VA Orange 11 HIGHWAY VEHICLES NOX 51139 51 139VA Page 11 HIGHWAY VEHICLES NOX 51157 51 157VA Rappahannock 11 HIGHWAY VEHICLES NOX 51159 51 159VA Richmond 11 HIGHWAY VEHICLES NOX 51171 51 171 VA Shenandoah 11 HIGHWAY VEHICLES NOX 51193 51 193VA Westmoreland 11 HIGHWAY VEHICLES NOX

Other Adjacent Maryland Counties 24029 24 29MD Kent 11 HIGHWAY VEHICLES NOX 24043 24 43MD Washington 11 HIGHWAY VEHICLES NOX 24011 24 11MD Caroline 11 HIGHWAY VEHICLES NOX 24041 24 41MD Talbot 11 HIGHWAY VEHICLES NOX 24019 24 19MD Dorchester 11 HIGHWAY VEHICLES NOX

Other Adjacent West Virginia County 54003 54 3WV Berkeley 11 HIGHWAY VEHICLES NOX

Data sources:

These files were obtained from: http://www.epa.gov/ttn/chief/net/2008inventory.html Source: http://www.epa.gov/ttn/chief/net/2008inventory.html Tier 1 Summaries - Criteria Air Pollutants only by 13 majors tiers State/County - County slected Geographic Aggregation Region 3 - Maryland, Virginia, District of Columbia or West Virginia selected as needed. (1) VOC emissions (tpy)-NEI08v1.5: Files WV 2008 VOC NEI ver 1.5 final(3).xls, MD 2008 VOC NEI ver 1.5 final(3).xls, VA 2008 VOC NEI ver 1.5 final(2).xls, and, DC 2008 VOC NEI ver 1.5 final(2).xls (2) NOx emissions (tpy)-NEI08v1.5: Files WV 2008 NOx NEI ver 1.5 final(3).xls, MD 2008 NOx NEI ver 1.5 final(3).xls, VA 2008 NOx NEI ver 1.5 final(2).xls, and, DC 2008 NOx NEI ver 1.5 final(3).xlsPollutant: CAP - Volatile Organic Compounds or CAP - Nitrogen Oxides selected.

Tier 1 category - all selected. Downloaded: April 9, 2012.description emissions Percent of CSA Total

Volatile Organic Compounds 4,041.3 6.0%

Volatile Organic Compounds 4,829.9 Volatile Organic Compounds 6,851.1 Volatile Organic Compounds 1,088.1 Volatile Organic Compounds 1,892.6 Volatile Organic Compounds 3,082.2 Volatile Organic Compounds 3,092.7 Subtotal 20,836.7 30.9%

Volatile Organic Compounds 617.1 Volatile Organic Compounds 1,068.4 Volatile Organic Compounds 2,505.1 Volatile Organic Compounds 6,700.1 Volatile Organic Compounds 7,527.5 Subtotal 18,418.2 27.3%

Volatile Organic Compounds 762.0 Volatile Organic Compounds 966.7 Subtotal 1,728.8 2.6% Maryland CSA Total 40,983.6

Volatile Organic Compounds 1,287.5 Volatile Organic Compounds 8,229.3 Volatile Organic Compounds 1,249.0 Volatile Organic Compounds 2,605.5 Volatile Organic Compounds 551.7 Volatile Organic Compounds 147.2 Volatile Organic Compounds 57.2 Volatile Organic Compounds 309.7 Volatile Organic Compounds 27.6 Subtotal 14,464.6 21.5%

Volatile Organic Compounds 1,519.8 2.3% Volatile Organic Compounds 1,413.1 2.1% Volatile Organic Compounds 454.0 0.7% Subtotal 3,387.0 5.0%

Volatile Organic Compounds 684.1 1.0% Volatile Organic Compounds 237.1 0.4% Subtotal 921.1 1.4% 

### APPENDIX 3 to Technical Support Document -- Area Designations for the Washington-Baltimore-Northern TABLE A3-1 Highway Vehicle Mobile Source Emissions by County - 2008Volatile Organic Compounds 398.1 0.6%

Volatile Organic Compounds 702.1 1.0% Volatile Organic Compounds 1,227.9 1.8% Volatile Organic Compounds 590.2 0.9% Subtotal 2,918.4 4.3% Virginia CSA Subtotal 21,691.1

Volatile Organic Compounds 452.8 0.7% Volatile Organic Compounds 261.5 0.4% West Virginia CSA Subtotal 714.3 1.1%

Washington Area (1997 ozone nonattainment area) Subtotal 36,924.2 54.8% Baltimore Area (1997 ozone nonattainment area) Subtotal 20,836.7 30.9% 57,760.8 85.7% 67,430.4 100.0%

Volatile Organic Compounds 1,106.9 Volatile Organic Compounds 250.3 Volatile Organic Compounds 172.5 Volatile Organic Compounds 378.6 Volatile Organic Compounds 207.3 Volatile Organic Compounds 172.2 Volatile Organic Compounds 395.6 Volatile Organic Compounds 331.4 Volatile Organic Compounds 146.6 Volatile Organic Compounds 188.6 Volatile Organic Compounds 1,109.2 Volatile Organic Compounds 259.1 Subtotal 4,718.2

Volatile Organic Compounds 426.3 Volatile Organic Compounds 708.0 Volatile Organic Compounds 456.9 Volatile Organic Compounds 1,997.5 Volatile Organic Compounds 236.3 Subtotal 3,825.1

Volatile Organic Compounds 1,096.8

Nitrogen Oxides 6,333.2 5.6%Nitrogen Oxides 8,465.7

Nitrogen Oxides 12,695.6 Nitrogen Oxides 1,648.7 Nitrogen Oxides 3,572.4 Nitrogen Oxides 5,962.1 Nitrogen Oxides 4,847.5 Subtotal 37,192.1 32.9%

Nitrogen Oxides 1,009.0 Nitrogen Oxides 1,609.0 Nitrogen Oxides 4,688.4 Nitrogen Oxides 10,269.5 Nitrogen Oxides 12,383.6 Subtotal 29,959.6 26.5%

Nitrogen Oxides 1,368.9 1.2% Nitrogen Oxides 1,731.9 1.5% Subtotal 3,100.8 2.7% Maryland CSA Total 70,252.5

Nitrogen Oxides 2,314.6 Nitrogen Oxides 13,635.6 Nitrogen Oxides 1,763.3 Nitrogen Oxides 4,178.8 Nitrogen Oxides 922.6 Nitrogen Oxides 208.3 Nitrogen Oxides 79.5 Nitrogen Oxides 336.2 Nitrogen Oxides 36.7 Subtotal 23,475.6 20.8%

Nitrogen Oxides 2,497.3 2.2% Nitrogen Oxides 2,214.5 2.0% Nitrogen Oxides 718.8 0.6% Subtotal 5,430.6 4.8%

Nitrogen Oxides 1,460.7 1.3% Nitrogen Oxides 214.8 0.2% Subtotal 1,675.5 1.5%

Nitrogen Oxides 2,169.3 1.9% Nitrogen Oxides 666.5 0.6% Nitrogen Oxides 1,071.0 0.9% Nitrogen Oxides 1,071.5 0.9% Subtotal 4,978.3 4.4% Virginia CSA Subtotal 35,559.9Nitrogen Oxides 604.1 0.5%

Nitrogen Oxides 313.8 0.3% West Virginia CSA Subtotal 917.8 0.8%

Washington Area (1997 ozone nonattainment area) Subtotal 59,768.3 52.9% Baltimore Area (1997 ozone nonattainment area) Subtotal 37,192.1 32.9% 96,960.4 85.8% 113,063.4 100.0%

Nitrogen Oxides 2,300.4 Nitrogen Oxides 355.0 Nitrogen Oxides 253.6 Nitrogen Oxides 587.2 Nitrogen Oxides 314.1 Nitrogen Oxides 237.9 Nitrogen Oxides 577.1 Nitrogen Oxides 472.6 Nitrogen Oxides 224.5 Nitrogen Oxides 269.0 Nitrogen Oxides 2,035.7 Nitrogen Oxides 375.2 Subtotal 8,002.3

Nitrogen Oxides 457.8 Nitrogen Oxides 5,505.2 Nitrogen Oxides 647.9 Nitrogen Oxides 1,042.8 Nitrogen Oxides 666.3

Nitrogen Oxides 1,986.4

(1) VOC emissions (tpy)-NEI08v1.5: Files WV 2008 VOC NEI ver 1.5 final(3).xls, MD 2008 VOC NEI ver 1.5 final(3).xls, VA 2008 VOC NEI ver 1.5 final(2).xls, and, DC 2008 VOC NEI ver 1.5 final(2).xls (2) NOx emissions (tpy)-NEI08v1.5: Files WV 2008 NOx NEI ver 1.5 final(3).xls, MD 2008 NOx NEI ver 1.5 final(3).xls, VA 2008 NOx NEI ver 1.5 final(2).xls, and, DC 2008 NOx NEI ver 1.5 final(3).xls