### District 1 

### County Site 1-hour Design Value (ppb) 2 

### Annual Average

Design Value (ppb) 3

Bay Area AQMD Alameda Berkeley-6th Street * 13 Fremont-Chapel Way 47 13 Livermore-793 Rincon Avenue 47 12 Oakland-9925 International Blvd * 14 Oakland-West * 16 Contra Costa Bethel Island Road 31 6

Concord-2975 Treat Blvd 37 9 Pittsburg-10th Street * * San Pablo-Rumrill Blvd * * Marin San Rafael 45 12 Napa Napa-Jefferson Avenue 39 10 San Francisco San Francisco-Arkansas Street 54 15 San Mateo Redwood City 46 12 Santa Clara San Jose-Jackson Street 53 15 Solano Benicia-East 2nd Street * *

Vallejo-304 Tuolumne Street 42 10 Sonoma Santa Rosa-5th Street 38 9 Butte County APCD Butte Chico-Manzanita Avenue 38 8 Feather River AQMD Sutter Yuba City-Almond Street 49 9 Imperial County APCD Imperial Calexico-East 71 11 Calexico-Ethel Street 72 14 El Centro-9th Street 50 8 Mariposa County APCD Mariposa Yosemite Natl Park-Turt leback Dome * no data Mendocino County APCD Mendocino Ukiah-E Gobbi Street 3 2 5 Willits-899 S Main Street * no data Mojave Desert AQMD San Bernardino Barstow 63 16 Trona-Athol and Telegraph 43 4 Victorville-14306 Park Avenue 62 15 Monterey Bay Unified APCD Monterey Salinas-High Schoo l 34 6 Santa Cruz Davenport 22 2 North Coast Unified AQMD Humboldt Eureka-Jacobs * 3 Northern Sierra APCD Nevada Grass Valley-Litton Build ing * * Placer County APCD Placer Roseville-N Sunrise Blvd 53 1 0 Sacramento Metropolitan AQMD Sacramento Elk Grove-Bru ceville Road 36 7 Folsom-Natoma Street 33 6 North Highlands-Blackfoot Way * 10 Sacramento-3801 Airport Road * no data Sacramento-Del Paso Manor 46 10 Sacramento-Goldenland Court * 11 Sacramento-T Street 56 13 San Diego County AQMD San Diego Alpine-Victoria Drive * 8 Camp Pendleton 59 10 Chula Vista 59 13 El Cajon-Redwood Avenue 53 14 Escondido-E Valley Parkway 63 16 Otay Mesa-Paseo International 85 21 San Diego-1110 Beardsley Street 70 17 San Diego-Overland Avenue 56 14 San Joaquin Valley Unified APCD Fresno Clovis-N VillaAvenue * 11 Fresno-1st Street 57 14 Fresno-Drummond Street 61 14 Fresno-Sierra Skypark #2 * 7 Parlier 39 9 Kern Arvin-Bear Mountain Blvd 32 5

Bakersfield-5558 California Avenue 61 16 Bakersfield-Golden State Highway 59 18 Edison 40 8 Shafter-Walker Street 53 12 Kings Hanford-S Irwin Street * no data Madera Madera-Pump Yard 40 9 Merced Merced-S Coffee Avenue 43 8 San Joaquin Stockton-Hazelton Street 58 15

Tracy-Airport 39 8 Stanislaus Turlock-S Minaret Street 49 11 Tulare Visalia-N Church Street 61 15



### NO 2

### DESIGN VALUES BY SITE ENCLOSURE 3

Page 1 of 2

### District 1 

### County Site 1-hour Design Value (ppb) 2 

### Annual Average

Design Value (ppb) 3 

### NO 2

### DESIGN VALUES BY SITE ENCLOSURE 3

San Luis Obispo County APCD San Luis Obispo Atascadero-Lewis Avenue 42 7 Morro Bay 35 3 Nipomo-Regional Park 29 3 Santa Barbara County APCD Santa Barbara Carpinteria-G obernador Road 18 2 El Capitan Beach 30 4 Gaviota-GTC Site B 23 4 Goleta-Fairview 35 7 Las Flores Canyon #1 14 2 Lompoc-HSandP 7 2 Lompoc-S H Street 28 4 Paradise Road-Los Padres National Forest 6 1 Santa Barbara-700 East Canon Perdido * 10 Santa Maria-906 S Broadway * 9 Vandenberg Air Force Base-STS Power 9 1 South Coast AQMD Los Angeles Azusa 78 19 Burbank-W Palm Avenue 75 27 Compton-700 North Bullis Road * 21 Glendora-Laurel 70 * Los Angeles-North Main Street * 28 Los Angeles-Westchester Parkway * * Lynwood * no data North Long Beach 78 21 Pasadena-S Wilson Avenue 70 22 Pico Rivera-4144 San Gabriel * 26 Pomona 81 27 Reseda 60 17 Santa Clarita 57 15 West Los Angeles-VA Hospital 63 17 Orange Anaheim-Pampas Lane 65 18

Costa Mesa-Mesa Verde Drive 60 13 La Habra 69 21 Riverside Banning Airport 58 11

Lake Elsinore-W Flint Street 48 13 Mira Loma Van Buren * 16 Mira Loma -10551 Bellegrave * * Palm Springs-Fire Station 45 8 Riverside-Magnolia * 20 Riverside-Rubidoux 63 17 San Bernardino Fontana-Arrow Highway 74 24

San Bernardino-4th Street 64 20 Upland 70 24 Ventura County APCD Ventura El Rio-Rio Mesa School #2 38 8 Simi Valley-Cochran Street 45 11 Yolo-Solano APCD Yolo Davis-UCD Campus 36 7

2The 1-hour design value is the 98th percentile con centration averaged over the 3-year period.

3The annual average is calculated by averaging all hourly NO 2concentrations measured during a year 1 The following Districts have no data: Antelope Val ley AQMD, Amador County APCD, Calaveras County APCD , Colusa County APCD, Eastern Kern APCD, El Dorado County AQMD, Glenn County APCD , Great Basin Unified APCD, Lake County AQMD, Lasse n County APCD, Modoc County APCD, Northern Sonoma County APCD, Shasta County AQ MD, Siskiyou County APCD, Tehama County APCD, Tuolu mne County APCD

* Site does not have valid data. A site must have v alid data to be used for designations. The 1-hour standard design value is valid if it encompasses three consecutive calendar years of complete data. The annual standa rd design value is valid when at least 75 percent of the hours in the year are reported.

Page 2 of 2