From: Lydia Wegman/RTP/USEPA/US To: nfrey@omb.eop.gov Cc: Lewis Weinstock/RTP/USEPA/US@EPA, hemby.james@epa.gov, Richard Wayland/RTP/USEPA/US@EPA, Joseph - J

Dougherty/DC/USEPA/US@EPA, Beth Hassett - Sipple/RTP/USEPA/US@EPA Date: 06/05/2012 03:22 PM Subject: Map and list of Chemical Speciation Network and IMPROVE PM2 .5 sites Please find attached the map and list of Chemical Speciation Network and IMPROVE monitoring sites that were requested during our meeting this morning. Lydia

CSN Sites AQS Site ID State City CBSA Local Site Name 01 - 073 - 0023 Alabama Birmingham Birmingham - Hoover, AL North Birmingham 01 - 073 - 2003 Alabama Birmingham Birmingham - Hoover, AL 01 - 089 - 0014 Alabama Huntsville Huntsville, AL HUNTSVILLE OLD AIRPORT 01 - 101 - 1002 Alabama Montgomery Montgomery, AL MOMS, ADEM 01 - 113 - 0001 Alabama Phenix City Columbus, GA - AL PHENIX CITY 02 - 090 - 0010 Alaska Fairbanks Fairbanks, AK 04 - 013 - 9997 Arizona Phoenix Phoenix - Mesa - Scottsdale, AZ JLG SUPERSITE 04 - 019 - 1028 Arizona Tucson Tucson, AZ CHILDREN'S PARK NCore 05 - 119 - 0007 Arkansas North Little Rock L ittle Rock - North Little Rock Conway, AR PARR 06 - 007 - 0002 California Chico Chico, CA 06 - 013 - 0002 California Concord San Francisco - Oakland - Fremont, CA 06 - 019 - 0008 California Fresno Fresno, CA 06 - 025 - 0005 California Calexico El Centro, CA CALEXICO HIGH SCHOOL ARB (#1300698) 06 - 029 - 0014 California Bakersfield Bakersfield, CA FLAT TERRAIN,OIL REFINERY 1.3 MI NNW,TRAIN 1.4 MI N,FREEWAY 1.3 MI E06 - 037 - 1103 California Los Angeles Los Angeles - Long Beach - Santa Ana, CA 06 - 059 - 0007 California Anaheim Los Angeles - Long Beach - Santa Ana, CA 06 - 063 - 1009 California Portola LOCATED ON ROOF OF SMALL COUNTY COURT ROOM. 06 - 065 - 8001 California Rubidoux Riverside - San Bernardino - Ontario, CA 06 - 067 - 0006 California Arden - Arcade Sacramento -- Arden - Arcade — Roseville, CA Sacramento - Del Paso Manor 06 - 067 - 0010 California Sacramento Sacramento -- Arden - Arcade — Roseville, CA 06 - 071 - 2002 California Fontana Riverside - San Bernardino - Ontario, CA 06 - 073 - 0003 California El Cajon San Diego - Carlsbad - San Marcos, CA El Cajon 06 - 073 - 1002 California Escondido San Diego - Carlsbad - San Marcos, CA Escondido 06 - 085 - 0005 California San Jose San Jose - Sunnyvale - Santa Clara, CA SAN JOSE JACKSON ST 06 - 099 - 0005 California Modesto Modesto, CA 06 - 107 - 2002 California Visalia Visalia - Porterville, CA 06 - 111 - 2002 California Simi Valley Oxnard - Thousand Oaks - Ventura, CA 08 - 001 - 0006 Colorado Commerce City Denver - Aurora, CO Alsup Elementry School - Commerce City 08 - 031 - 0025 Colorado Denver Denver - Aurora, CO DENVER MUNICIPAL ANIMAL SHELTER 08 - 123 - 0008 Colorado Platteville Greeley, CO Platteville - Middle School 09 - 009 - 0027 Connecticut New Haven New Haven - Milford, CT Criscuolo Park - New Haven 10 - 001 - 0003 Delaware Dover Dover, DE PLATFORM IN FIELD BEHIND DELAWARE FED. CREDIT UNION BLDG 10 - 003 - 2004 Delaware Wilmington Philadelphia - Camden - Wilmington, PA

- NJ - DE - MD CORNER OF MLK BLVD AND JUSTISON ST, NO TRAFFIC DATA AVAILABLE 11 - 001 - 0043 District Of

Columbia Washington Washington - Arlington - Alexandria, DC - VA - MD - WV MCMILLAN PAMS 12 - 011 - 1002 Florida Davie Miami - Fort Lauderdale Pompano Beach, FL 12 - 057 - 3002 Florida Valrico Tampa - St. Petersburg - Clearwater, FL SYDNEY 12 - 073 - 0012 Florida Tallahassee Tallahassee, FL SITE IS LOCATED NEAR SEVERAL WAREHOUSES. 12 - 103 - 0026 Florida Pinellas Park Tampa - St. Petersburg - Clearwater, FL 13 - 021 - 0007 Georgia Macon Macon, GA 13 - 059 - Georgia Athens (corp name Athens - Clarke County) Athens - Clarke County, GA0001 13 - 069 - 0002 Georgia Douglas Douglas, GA 13 - 089 - 0002 Georgia Not in a city Atlanta - Sandy Springs - Marietta, GA South DeKalb 13 - 115 - 0003 Georgia Not in a city Rome, GA 13 - 215 - 0011 Georgia Columbus (Remainder) Columbus, GA - AL 13 - 245 - 0091 Georgia Augusta - Richmond County (Remainder) Augusta - Richmond County, GA - SC 15 - 003 - 0010 Hawaii Not in a city Honolulu, HI KAPOLEI 16 - 001 - 0010 Idaho Meridian Boise City - Nampa, ID St. Luke's Meridian 17 - 031 - 0057 Illinois Chicago Chicago - Naperville - Joliet, IL - IN - WI SPRINGFIELD PUMP STATION 17 - 031 - 0076 Illinois Chicago Chicago - Naperville - Joliet, IL - IN - WI COM ED MAINTENANCE BLDG 17 - 031 - 4201 Illinois Northbrook Chicago - Naperville - Joliet, IL - IN - WI NORTHBROOK WATER PLANT 17 - 043 - 4002 Illinois Naperville Chicago - Naperville - Joliet, IL - IN - WI CITY HALL 17 - 119 - 0024 Illinois Granite City St. Louis, MO - IL Gateway Regional Medical Center 18 - 019 - 0006 Indiana Jeffersonville Louisville/Jefferson County, KY

- IN 18 - 037 - 2001 Indiana Jasper Jasper, IN Jasper PO 18 - 039 - 0008 Indiana Elkhart Elkhart - Goshen, IN 18 - 065 - 0003 Indiana Middletown New Castle, IN Mechanicsburg / SHENANDOAH HIGH SCHOOL BEHIND THE FOOTBALL FIELD 18 - 089 - 0022 Indiana Gary Chicago - Naperville - Joliet, IL - IN - WI LOCATED ON AT AN OLD AMMUNITION BUNKER 18 - 089 - 2004 Indiana Hammond Chicago - Naperville - Joliet, IL - IN - WI 18 - 097 - 0078 Indiana Indianapolis (Remainder) Indianapolis - Carmel, IN Washington Park - IN PARKING LOT NEXT TO POLICE STATION 18 - 163 - 0021 Indiana Evansville Evansville, IN - KY 19 - 113 - 0037 Iowa Cedar Rapids Cedar Rapids, IA ARMY RESERVE CENTER ROOF - CORE MONITORING SITE 19 - 153 - 0030 Iowa Des Moines Des Moines - West Des Moines, IA CARPENTER 19 - 163 - 0015 Iowa Davenport Davenport - Moline - Rock Island, IA - IL DAVENPORT, JEFFERSON SCH. 20 - 173 - 0010 Kansas Wichita Wichita, KS WICHITA HD 20 - 209 - 0021 Kansas Kansas City Kansas City, MO - KS JFK 21 - 019 - 0017 Kentucky Ashland Huntington - Ashland, WV - KY - OH SITE IS LOCATED BEHIND THE FIVCO HEALTH DEPT. 21 - 043 - 0500 Kentucky Not in a city 21 - 067 - Kentucky Lexington - Fayette (corporate name for Lexington) Lexington - Fayette, KY0012 21 - 111 - 0067 Kentucky Not in a city Louisville/Jefferson County, KY

- IN CANNONS LANE 22 - 015 - 0008 Louisiana Shreveport Shreveport - Bossier City, LA Shreveport / Airport 22 - 033 - 0009 Louisiana Baton Rouge Baton Rouge, LA Capitol 24 - 005 - 3001 Maryland Essex Baltimore - Towson, MD Essex 24 - 033 - 0030 Maryland Beltsville Washington - Arlington Alexandria, DC - VA - MD - WV HU - Beltsville 25 - 013 - 0008 Massachusetts Chicopee Springfield, MA 25 - 025 - 0042 Massachusetts Boston Boston - Cambridge - Quincy, MA - NH DUDLEY SQUARE ROXBURY 26 - 081 - 0020 Michigan Grand Rapids Grand Rapids - Wyoming, MI 26 - 091 - 0007 Michigan Tecumseh Adrian, MI 6792 RAISIN CENTER HWY, LENAWEE CO.RD.COMM.OWNER, TECUMSEH 26 - 113 - 0001 Michigan Not in a city Cadillac, MI LOCATED ABOUT 1/4 MILE WEST OF SITE 26 - 115 - 0005 Michigan Luna Pier Monroe, MI DEAN ROAD DEAD - ENDS AT SITE, 200 FT WEST 26 - 147 - 0005 Michigan Port Huron Detroit - Warren - Livonia, MI 26 - 163 - 0001 Michigan Allen Park Detroit - Warren - Livonia, MI 26 - 163 - 0015 Michigan Detroit Detroit - Warren - Livonia, MI 26 - 163 - 0033 Michigan Dearborn Detroit - Warren - Livonia, MI PROPERTY OWNED BY DEARBORN PUBLIC SCHOOLS 27 - 003 - 1002 Minnesota Blaine Minneapolis - St. Paul Bloomington, MN - WI Anoka Airport6010 27 - 053 - 0963 Minnesota Minneapolis Minneapolis - St. Paul Bloomington, MN - WI HC Anderson School 27 - 109 - 5008 Minnesota Rochester Rochester, MN Ben Franklin School 28 - 049 - 0019 Mississippi Jackson Jackson, MS University Medical Center 28 - 067 - 0002 Mississippi Laurel Laurel, MS 29 - 047 - 0005 Missouri Not in a city Kansas City, MO - KS 29 - 099 - 0019 Missouri Arnold St. Louis, MO - IL 29 - 186 - 0005 Missouri Not in a city THIS SITE IS OUTSIDE THE CITY OF BONNE TERRE IN ST. GENEVIEVE CO 29 - 510 - 0085 Missouri St. Louis St. Louis, MO - IL Blair Street 30 - 049 - 0004 Montana Not in a city Helena, MT NCORE - Sieben Flats 30 - 093 - 0005 Montana Butte - Silver Bow (Remainder) Butte - Silver Bow, MT Butte Greeley School 31 - 055 - Nebraska Omaha Omaha - Council Bluffs, NE - IA 4102 Woolworth Ave. on Healthcenter Warehouse0019 32 - 003 - 0540 Nevada Las Vegas Las Vegas - Paradise, NV Jerome Mack 32 - 031 - 0016 Nevada Reno Reno - Sparks, NV Reno 34 - 013 - 0003 New Jersey Newark New York - Northern New Jersey Long Island, NY - NJ - PA Newark - Firehouse 34 - 023 - 0006 New Jersey North Brunswick Township New York - Northern New Jersey Long Island, NY - NJ - PA NEW BRUNSWICK 34 - 027 - 3001 New Jersey Chester New York - Northern New Jersey Long Island, NY - NJ - PA CHESTER 34 - 039 - 0004 New Jersey Elizabeth New York - Northern New Jersey Long Island, NY - NJ - PA ELIZABETH LAB 35 - 001 - 0023 New Mexico Albuquerque Albuquerque, NM DEL NORTE HIGH SCHOOL 36 - 001 - 0005 New York Albany Albany - Schenectady - Troy, NY ALBANY COUNTY HEALTH DEPT 36 - 029 - 0005 New York Buffalo Buffalo - Niagara Falls, NY BUFFALO 36 - 031 - 0003 New York Not in a city WHITEFACE BASE 36 - 055 - 1007 New York Rochester Rochester, NY ROCHESTER 2 36 - 061 - 0134 New York New York New York - Northern New Jersey Long Island, NY - NJ - PA DIVISION STREET 36 - 081 - 0124 New York New York New York - Northern New Jersey - L ong Island, NY - NJ - PA QUEENS COLLEGE 2 36 - 101 - 0003 New York Not in a city Corning, NY PINNACLE STATE PARK 37 - 021 - 0034 North Carolina Asheville Asheville, NC BOARD OF ED BLDG NW CORNER PARKING LOT 37 - 035 - 0004 North Carolina Hickory Hickory - Lenoir - Morganton, NC Water Tower 37 - 057 - 0002 North Carolina Lexington Thomasville - Lexington, NC water tower 37 - 067 - 0022 North Carolina Winston - Salem Winston - Salem, NC 37 - 119 - 0041 North Carolina Charlotte Charlotte - Gastonia - Concord, NC - SC Garinger High School 37 - 159 - 0021 North Carolina Rockwell Salisbury, NC ROCKWELL 37 - 183 - 0014 North Carolina Raleigh Raleigh - Cary, NC E Millbrook Middle School 38 - 017 - 1004 North Dakota Not in a city Fargo, ND - MN FARGO NW 39 - 035 - 0038 Ohio Cleveland Cleveland - Elyria - Mentor, OH ST. THEODO 39 - 035 - 0060 Ohio Cleveland Cleveland - Elyria - Mentor, OH GT CRAIG 39 - 049 - 0081 Ohio Columbus Columbus, OH MAPLE_C39 - 061 - 0040 Ohio Cincinnati Cincinnati - Middletown, OH - KY - IN TAFT 39 - 081 - 1001 Ohio Mingo Junction Weirton - Steubenville, WV - OH MINGO_JCT. 39 - 087 - 0012 Ohio Ironton Huntington - Ashland, WV - KY - OH ODOT (IRONTON) 39 - 093 - 3002 Ohio Sheffield Cleveland - Elyria - Mentor, OH BARR SCHOOL 39 - 095 - 0026 Ohio Toledo Toledo, OH RAPS 39 - 099 - 0014 Ohio Youngstown Youngstown - Warren - Boardman, OH - PA 39 - 113 - 0032 Ohio Dayton Dayton, OH LIBRARY (DAYTON PUBLIC 39 - 135 - 1001 Ohio New Paris Dayton, OH NATIONAL TRAIL SCHOOL 39 - 151 - 0017 Ohio Canton Canton - Massillon, OH CANTON FS 8 39 - 153 - 0023 Ohio Akron Akron, OH 5 POINTS 40 - 109 - 1037 Oklahoma Oklahoma City Oklahoma City, OK OKC NORTH 40 - 143 - 1127 Oklahoma Tulsa Tulsa, OK NORTH TULSA - FIRE STATION#24 41 - 037 - 0001 Oregon Lakeview 41 - 051 - 0080 Oregon Portland Portland - Vancouver - Beaverton, OR - WA SEL 42 - 001 - 0001 Pennsylvania Not in a city Gettysburg, PA NARSTO SITE ARENDTSVILLE 42 - 003 - 0008 Pennsylvania Pittsburgh Pittsburgh, PA Lawrenceville 42 - 003 - 0064 Pennsylvania Liberty Pittsburgh, PA Liberty 42 - 011 - 0011 Pennsylvania Not in a city Reading, PA Reading Airport 42 - 021 - 0011 Pennsylvania Johnstown Johnstown, PA 42 - 027 - 0100 Pennsylvania State College State College, PA LAT/LON=POINT SW CORNER OF TRAILER 42 - 029 - 0100 Pennsylvania Not in a city Philadelphia - Camden - Wilmington, PA - NJ - DE - MD CHESTER COUNTY TRANSPORT SITE INTO PHILADELPHIA 42 - 043 - 0401 Pennsylvania Harrisburg Harrisburg - Carlisle, PA A420430401LAT/LON POINT IS AT CORNER OF TRAILER 42 - 049 - 0003 Pennsylvania Erie Erie, PA 42 - 069 - 2006 Pennsylvania Scranton Scranton -- Wilkes - Barre, PA A420692006LAT/LON POINT IS AT CORNER OF TRAILER 42 - 071 - 0007 Pennsylvania Lancaster Lancaster, PA A420710007LAT/LON POINT AT CORNER OF TRAILER 42 - 095 - 0025 Pennsylvania Freemansburg Allentown - Bethlehem - Easton, PA - NJ LAT/LON POINT IS CENTER OF TRAILER 42 - 101 - Pennsylvania Philadelphia LAT/LONG IS OF SAMPLING INLET0004 Philadelphia - Camden - Wilmington, PA - NJ - DE - MD 42 - 101 - 0055 Pennsylvania Philadelphia Philadelphia - Camden - Wilmington, PA - NJ - DE - MD 42 - 101 - 1002 Pennsylvania Philadelphia Philadelphia - Camden - Wilmington, PA - NJ - DE - MD 42 - 125 - 5001 Pennsylvania Not in a city Pittsburgh, PA 42 - 129 - 0008 Pennsylvania Greensburg Pittsburgh, PA LAT/LON POINT IS TRAILER 42 - 133 - 0008 Pennsylvania York York - Hanover, PA A421330008LAT/LON POINT AT CORNER OF TRAILER 44 - 007 - 1010 Rhode Island East Providence Providence - New Bedford - Fall River, RI - MA FRANCIS SCHOOL East Providence 45 - 025 - 0001 South Carolina Not in a city CHESTERFIELD 45 - 045 - 0015 South Carolina Greenville Greenville - Mauldin - Easley, SC Greenville ESC 45 - 079 - 0007 South Carolina Dentsville (Dents) Columbia, SC PARKLANE 46 - 099 - 0008 South Dakota Sioux Falls Sioux Falls, SD SD School for the Deaf 47 - 037 - 0023 Tennessee Nashville Nashville - Davidson - Murfreesboro

- Franklin, TN 47 - 065 - 4002 Tennessee Chattanooga Chattanooga, TN - GA Monitors on roof of monitoring shelter adjacent to power substation 47 - 093 - 1020 Tennessee Knoxville Knoxville, TN Spring Hill Elementary School 47 - 099 - 0002 Tennessee Not in a city Lawrenceburg, TN SIT ON SOUTH SIDE OF BUSBY RD 3.8 MILES WEST OF HWY 43 47 - 125 - 1009 Tennessee Clarksville Clarksville, TN - KY SITE IS ON THE SOUTH SIDE OF GOLF CLUB LN 1.2 MILES FROM HWY 41A 47 - 157 - 0024 Tennessee Memphis Memphis, TN - MS - AR 47 - 157 - 0075 Tennessee Memphis Memphis, TN - MS - AR 48 - 061 - 2004 Texas South Padre Island Brownsville - Harlingen, TX ISLA BLANCA PARK 48 - 113 - 0050 Texas Dallas Dallas - Fort Worth - Arlington, TX WEST OF S. AKARD & CANTON STREETS INTERSECTION 48 - 113 - 0069 Texas Dallas Dallas - Fort Worth - Arlington, TX DALLAS HINTON 48 - 139 - 0016 Texas Midlothian Dallas - Fort Worth - Arlington, TX MIDLOTHIAN OFW 48 - 141 - 0044 Texas El Paso El Paso, TX EL PASO CHAMIZAL 48 - 201 - 0024 Texas Not in a city Houston - Sugar Land - Baytown, TX HOUSTON ALDINE 48 - 201 - 1039 Texas Deer Park Houston - Sugar Land - Baytown, TX HOUSTON DEER PARK #2 48 - 203 - 0002 Texas Not in a city Marshall, TX KARNACK48 - 355 - 0034 Texas Corpus Christi Corpus Christi, TX DONA PARK 48 - 453 - 0020 Texas Not in a city Austin - Round Rock, TX AUSTIN AUDUBON SOCIETY CAMS 38 49 - 011 - 0004 Utah Bountiful Ogden - Clearfield, UT 49 - 035 - 3006 Utah Salt Lake City Salt Lake City, UT UTM COORDINATES = PROBE LOCATION 49 - 049 - 4001 Utah Lindon Provo - Orem, UT UTM COORDINATES AT MET TOWER 50 - 007 - 0012 Vermont Burlington Burlington - South Burlington, VT ZAMPIERI STATE OFFICE BUILDING, CORNER OF CHERRY STREET 51 - 087 - 0014 Virginia East Highland Park Richmond, VA 53 - 011 - 0013 Washington Vancouver Portland - Vancouver - Beaverton, OR - WA VANCOUVER - 4TH PL BLVD E (Vancouver Christian School) 53 - 033 - 0057 Washington Seattle Seattle - Tacoma - Bellevue, WA SEATTLE - DUWAMISH 53 - 033 - 0080 Washington Seattle Seattle - Tacoma - Bellevue, WA SEATTLE - BEACON HILL 53 - 053 - 0029 Washington Tacoma Seattle - Tacoma - Bellevue, WA TACOMA - L STREET 53 - 053 - 0031 Washington Tacoma Seattle - Tacoma - Bellevue, WA TACOMA - ALEXANDER AVE 53 - 061 - 1007 Washington Marysville Seattle - Tacoma - Bellevue, WA MARYSVILLE - 7TH AVE (Marysville Junior High) 53 - 077 - 0009 Washington Yakima Yakima, WA YAKIMA - 4TH AVE 54 - 039 - 0011 West Virginia Not in a city Charleston, WV 54 - 039 - 1005 West Virginia South Charleston Charleston, WV 54 - 051 - 1002 West Virginia Moundsville Wheeling, WV - OH 54 - 069 - 0010 West Virginia Wheeling Wheeling, WV - OH 55 - 009 - 0005 Wisconsin Green Bay Green Bay, WI 55 - 027 - 0001 Wisconsin Horicon Beaver Dam, WI Horicon Wildlife Area 55 - 079 - 0026 Wisconsin Milwaukee Milwaukee - Waukesha - West Allis, WI DNR SER HQRS SITE 55 - 119 - 8001 Wisconsin Not in a city 55 - 133 - 0027 Wisconsin Waukesha Milwaukee - Waukesha - West Allis, WI CLEVELAND SITEIMPROVE SITE ADDRESSES AQS Site ID State City CBSA Local Site Name 01 - 073 - 0023 Alabama Birmingham Birmingham - Hoover, AL North Birmingham 01 - 079 - 9000 Alabama Not in a city Decatur, AL 02 - 013 - 0002 Alaska Sand Point 02 - 068 - 0003 Alaska Not in a city 02 - 122 - 0009 Alaska Not in a city 02 - 170 - 0011 Alaska Trapper Creek Anchorage, AK 04 - 001 - 8001 Arizona Not in a city 04 - 003 - 8001 Arizona Chiricahua National Monument Sierra Vista - Douglas, AZ CHIRICAHUA NATIONAL MONUMENT 04 - 003 - 9000 Arizona Douglas Sierra Vista - Douglas, AZ 04 - 005 - 8100 Arizona Not in a city Flagstaff, AZ 04 - 005 - 8103 Arizona Not in a city Flagstaff, AZ 04 - 007 - 0010 Arizona Tonto National Monument Payson, AZ TONTO NM 04 - 007 - 8100 Arizona Young Payson, AZ 04 - 013 - 9997 Arizona Phoenix Phoenix - Mesa - Scottsdale, AZ JLG SUPERSITE 04 - 015 - 9000 Arizona Not in a city Lake Havasu City - Kingman, AZ 04 - 017 - 0119 Arizona Petrified Forest National Park Show Low, AZ 04 - 019 - 0005 Arizona Organ Pipe Cactus National Monument Tucson, AZ ORGAN PIPE NM 04 - 019 - 0021 Arizona Saguaro National Monument Tucson, AZ SAGUARO PARK 04 - 019 - 9000 Arizona Not in a city Tucson, AZ 04 - 021 - 0001 Arizona Casa Grande Phoenix - Mesa - Scottsdale, AZ CASA GRANDE DOWNTOWN 04 - 021 - 8001 Arizona Queen Valley Phoenix - Mesa - Scottsdale, AZ QUEEN VALLEY 04 - 025 - 8104 Arizona Not in a city Prescott, AZ 05 - 101 - 9000 Arkansas Not in a city Harrison, AR 05 - 113 - 0003 Arkansas Mena EAGLE MOUNTAIN 06 - 015 - 0002 California Redwood National Park Crescent City, CA 06 - 017 - 9000 California Not in a city Sacramento -- Arden - Arcade -- Roseville, CA06 - 019 - 0008 California Fresno Fresno, CA 06 - 019 - 9000 California Not in a city Fresno, CA 06 - 027 - 0101 California Death Valley National Monument Bishop, CA DEATH VALLEY NATIONAL MONUMENT NEAR NEVARES SPRINGS ACCESS ROAD 06 - 029 - 9001 California Lebec Bakersfield, CA 06 - 041 - 0002 California Point Reyes National Seashore San Francisco - Oakland - Fremont, CA 06 - 043 - 0003 California Yosemite National Park 06 - 051 - 9000 California Not in a city 06 - 065 - 9000 California Not in a city Riverside - San Bernardino - Ontario, CA 06 - 069 - 0003 California Pinnacles National Monument San Jose - Sunnyvale - Santa Clara, CA 06 - 071 - 9002 California Yucca Valley Riverside - San Bernardino - Ontario, CA SITE MOVED FROM LOST HORSE RANGER STATION TO BLACK ROCK CANYON 10 - 93 06 - 071 - 9010 California Not in a city Riverside - San Bernardino - Ontario, CA 06 - 083 - 9000 California Not in a city Santa Barbara - Santa Maria - Goleta, CA 06 - 089 - 3003 California Lassen Volcanic National Park Redding, CA 06 - 093 - 0005 California Lava Beds National Monument LOCATED @ FIRE WEATHER STATION @ PARK HEADQUARTERS 06 - 105 - 9000 California Not in a city 06 - 107 - 1001 California Sequoia National Park Visalia - Porterville, CA 08 - 003 - 9000 Colorado Not in a city 08 - 057 - 9000 Colorado Not in a city 08 - 067 - 9000 Colorado Not in a city Durango, CO 08 - 083 - 9000 Colorado Not in a city 08 - 097 - 9000 Colorado Not in a city 08 - 111 - 9000 Colorado Not in a city 09 - 005 - 0005 Connecticut Not in a city Torrington, CT Mohawk Mt - Cornwall 11 - 001 - 0042 District Of

Columbia Washington Washington - Arlington - Alexandria, DC - VA - MD - WV HAINES POINT PM - 2.5 AND IMPROVE SITE ON ROOF OF PARK POLICE BLDG. 12 - 017 - 9000 Florida Not in a city Homosassa Springs, FL 12 - 086 - 0030 Florida Not in a city Miami - Fort Lauderdale - Pompano Beach, FL SITE MOVED ACROSS ROAD FROM BEARD CENTER TO BEHIND IORI RESEARCH BLD 12 - 129 - 0001 Florida Saint Marks Tallahassee, FL WITHIN ST. MARKS WILDLIFE REFUGE AT THE WORK STATION 13 - 049 - Georgia Not in a city9000 13 - 213 - 9000 Georgia Not in a city Dalton, GA 15 - 001 - 9002 Hawaii Not in a city Hilo, HI 15 - 009 - 9000 Hawaii Not in a city Kahului - Wailuku, HI 16 - 023 - 0101 Idaho Not in a city 16 - 037 - 0002 Idaho Not in a city 17 - 019 - 1001 Illinois Not in a city Champaign - Urbana, IL ISWS CLIMATE STATION 18 - 175 - 9000 Indiana Not in a city Louisville/Jefferson County, KY

- IN 19 - 137 - 0002 Iowa Not in a city VIKING LAKE STATE PARK 19 - 177 - 0006 Iowa Not in a city LAKE SUGEMA STATE PARK II 20 - 013 - 9000 Kansas Reserve 20 - 017 - 0001 Kansas Not in a city Emporia, KS 20 - 195 - 0001 Kansas Not in a city CEDAR BLUFF 21 - 061 - 9000 Kentucky Not in a city Bowling Green, KY 21 - 221 - 9000 Kentucky Not in a city Clarksville, TN - KY 22 - 127 - 9000 Louisiana Not in a city 23 - 003 - 1020 Maine Presque Isle 23 - 005 - 0103 Maine Not in a city Portland - South Portland - Biddeford, ME 23 - 005 - 9002 Maine Not in a city Portland - South Portland - Biddeford, ME 23 - 009 - 0103 Maine Not in a city MCFARLAND HILL Air Pollutant Research Site 23 - 029 - 1004 Maine Calais 24 - 023 - 9000 Maryland Not in a city 25 - 001 - 0002 Massachusetts Truro Barnstable Town, MA 25 - 007 - 0001 Massachusetts Aquinnah herring creek rd at aquinnah(gay head/oak bluffs) 25 - 015 - 4002 Massachusetts Ware (census name for Ware Center) Springfield, MA 26 - 083 - 9000 Michigan Not in a city Houghton, MI 26 - 153 - 9000 Michigan Not in a city 27 - 075 - 9000 Minnesota Not in a city 27 - 133 - Minnesota Not in a city9000 27 - 137 - 9000 Minnesota Not in a city Duluth, MN - WI 27 - 169 - 9000 Minnesota Not in a city Winona, MN 29 - 039 - 0001 Missouri Not in a city RURAL BACKGROUND/TRANSPORT OZONE SITE FOR KANSAS CITY AREA._8/1/98 29 - 207 - 0001 Missouri Not in a city 29 - 213 - 0003 Missouri Not in a city Branson, MO 30 - 027 - 9000 Montana Not in a city 30 - 029 - 9001 Montana Not in a city Kalispell, MT 30 - 047 - 9000 Montana Not in a city 30 - 049 - 9000 Montana Not in a city Helena, MT 30 - 077 - 9000 Montana Not in a city 30 - 081 - 9000 Montana Not in a city 30 - 085 - 9000 Montana Not in a city 30 - 087 - 0762 Montana Not in a city 30 - 089 - 9000 Montana Not in a city 30 - 091 - 9000 Montana Not in a city 31 - 069 - 9000 Nebraska Not in a city 31 - 171 - 9000 Nebraska Not in a city 32 - 007 - 9000 Nevada Not in a city Elko, NV 32 - 033 - 9000 Nevada Not in a city 33 - 007 - 4002 New Hampshire Not in a city Berlin, NH - VT CENTER OF SITE 34 - 001 - 9000 New Jersey Not in a city Atlantic City, NJ 35 - 003 - 9000 New Mexico Not in a city 35 - 005 - 9000 New Mexico Not in a city Roswell, NM 35 - 027 - 9000 New Mexico Ruidoso Ruidoso, NM 35 - 028 - 1002 New Mexico Not in a city Los Alamos, NM 35 - 039 - 9000 New Mexico Not in a city Espanola, NM 35 - 053 - 9000 New Mexico Not in a city 35 - 055 - New Mexico Not in a city Taos, NM9000 36 - 005 - 0110 New York New York New York - Northern New Jersey - Long Island, NY - NJ - PA IS 52 36 - 101 - 9000 New York Not in a city Corning, NY 37 - 011 - 0002 North Carolina Not in a city OZONE PROBE at SW CORNER OF BUILDING 37 - 021 - 0034 North Carolina Asheville Asheville, NC BOARD OF ED BLDG NW CORNER PARKING LOT 37 - 087 - 0035 North Carolina Not in a city Asheville, NC FRYING PAN MOUNTAIN 37 - 095 - 9000 North Carolina Not in a city 38 - 007 - 0002 North Dakota Not in a city Dickinson, ND PAINTED CANYON 38 - 013 - 0004 North Dakota Not in a city LOSTWOOD NWR 39 - 121 - 9000 Ohio Not in a city 40 - 031 - 9000 Oklahoma Not in a city Lawton, OK 40 - 045 - 0890 Oklahoma Not in a city 40 - 071 - 9010 Oklahoma Not in a city Ponca City, OK NEWKIRK IMPROVE 41 - 005 - 0010 Oregon Not in a city Portland - Vancouver - Beaverton, OR - WA 41 - 033 - 0010 Oregon Cave Junction Grants Pass, OR IVA 41 - 035 - 8001 Oregon Not in a city Klamath Falls, OR 41 - 039 - 0070 Oregon Not in a city Eugene - Springfield, OR 41 - 061 - 0010 Oregon Not in a city La Grande, OR 41 - 063 - 0002 Oregon Not in a city 42 - 001 - 9000 Pennsylvania Not in a city Gettysburg, PA 42 - 085 - 9000 Pennsylvania Not in a city Youngstown - Warren - Boardman, OH - PA 44 - 007 - 1010 Rhode Island East Providence Providence - New Bedford - Fall River, RI - MA FRANCIS SCHOOL East Providence 45 - 019 - 0046 South Carolina Not in a city Charleston - North Charleston, SC CAPE ROMAIN (VISTAS) 46 - 033 - 0132 South Dakota Not in a city 46 - 071 - 0001 South Dakota Not in a city SOUTH OF BADLANDS NP HEADQUARTERS 47 - 009 - 0101 Tennessee Not in a city Knoxville, TN 47 - 065 - 4002 Tennessee Chattanooga Chattanooga, TN - GA Monitors on roof of monitoring shelter adjacent to power substation 48 - 043 - 0101 Texas Big Bend National Park BRAVO BIG BEND 48 - 109 - Texas Not in a city9000 49 - 017 - 0101 Utah Not in a city 49 - 037 - 9000 Utah Not in a city 49 - 053 - 0130 Utah Not in a city St. George, UT 49 - 055 - 9000 Utah Not in a city 50 - 003 - 8001 Vermont Not in a city Bennington, VT 50 - 007 - 0007 Vermont Underhill (Town of) Burlington - South Burlington, VT PROCTOR MAPLE RESEARCH CTR 51 - 113 - 9000 Virginia Not in a city 51 - 163 - 9000 Virginia Not in a city 53 - 009 - 0020 Washington Blyn Port Angeles, WA 53 - 033 - 0080 Washington Seattle Seattle - Tacoma - Bellevue, WA SEATTLE - BEACON HILL 53 - 037 - 0004 Washington Snoqualmie Pass Ellensburg, WA 53 - 039 - 0010 Washington Not in a city 53 - 039 - 0011 Washington Not in a city 53 - 041 - 0007 Washington Not in a city Centralia, WA 53 - 047 - 0012 Washington Not in a city 53 - 053 - 0014 Washington Not in a city Seattle - Tacoma - Bellevue, WA MT RAINIER NAT'L PARK - PARADISE 53 - 073 - 0022 Washington Not in a city Bellingham, WA 54 - 093 - 9000 West Virginia Not in a city 56 - 005 - 0123 Wyoming Not in a city Gillette, WY 56 - 019 - 9000 Wyoming Not in a city 56 - 029 - 9002 Wyoming Not in a city 56 - 035 - 9000 Wyoming Not in a city 56 - 039 - 9000 Wyoming Not in a city Jackson, WY - ID 78 - 020 - 9000 Virgin Islands Not in a city 80 - 002 - 0001 Country Of Mexico Tijuana CROSS STREETS CAL DEL TECNOLOGICO & CHAPULTEPEC 80 - 002 - 0003 Country Of Mexico Tijuana ON STATE SCHOOL #44 80 - 002 - 0004 Country Of Mexico Rosarito EAST END OF PEDRO MORENO SCHOOL IN ROSARITO 80 - 002 - Country Of Mexico Tijuana TRAILER ON CAMPUS OF INDUSTRIAL TECH HIGH SCHOOL0005 80 - 002 - 0010 Country Of Mexico Mexicali AT THE INSTITUTO TECNOLOGICO DE MEXICALI, MEXICALI, BCN 80 - 002 - 0012 Country Of Mexico Mexicali AT UABC, CORNER OF CALZADA BENITO JUAREZ & AVENIDA NORMAL, MEXICALI 80 - 002 - 0014 Country Of Mexico Mexicali COBACH, CALLE GUADALAJARA JUST SOUTH OF AVENIDA REVOLUCION, MEXICALI 80 - 002 - 0017 Country Of Mexico Tijuana CORNER OF PASEO MORELOS S/N & CALLE RIO LERMA, TECATE, BC, MEXICO 80 - 002 - 0018 Country Of Mexico Mexicali AT UABC, CORNER OF CALZADA BENITO JUAREZ & AVENIDA NORMAL, MEXICALI