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Legend (Region9/ADMA_2015_AQS_Design_Value)

8-Hour Ozone monitor with valid design value > 0.070 ppm (2)
8-Hour Ozone monitor with valid design value <= 0.070 ppm (3)
8-Hour Ozone monitor with incomplete data (4)
PM-10 monitor > 1 expected exceedance day/year (6)
PM-10 monitor <= 1 expected exceedance day/year (7)
Invalid PM-10 monitor <= 1 expected exceedance day/year (8)
24-Hour PM-2.5 monitoring site with valid design value > 35 ug/m3 (10)
24-Hour PM-2.5 monitoring site with invalid design value > 35 ug/m3 (11)
24-Hour PM-2.5 monitoring site with valid design value less <= 35 ug/m3 (12)
24-Hour PM-2.5 monitoring site with invalid design value <= 35 ug/m3 (13)
Annual PM-2.5 monitoring site with valid design value > 12 ug/m3 (15)
Annual PM-2.5 monitoring site with invalid design value > 12 ug/m3 (16)
Annual PM-2.5 monitoring site with valid design value <= 12 ug/m3 (17)
Annual PM-2.5 monitoring site with invalid design value <= 12 ug/m3 (18)
1-Hour SO2 monitoring site with valid design value > 75 ppb (20)
1-Hour SO2 monitoring site with invalid design value > 75 ppb (21)
1-Hour SO2 monitoring site with valid design value <= 75 ppb (22)
1-Hour SO2 monitoring site with invalid design value <= 75 ppb (23)
Lead monitoring site with valid design value > 0.15 ug/m3 (25)
Lead monitoring site with valid design value <= 0.15 ug/m3 (26)
Lead monitoring site with invalid design value <= 0.15 ug/m3 (27)
1-Hour NO2 monitoring site with valid design value <= 100 ppb (29)
1-Hour NO2 monitoring site with invalid design value <= 100 ppb (30)
Annual NO2 monitoring site with valid design value <= 53 ppb (31)
Annual NO2 monitoring site with invalid design value <= 53 ppb (32)
1-Hour CO monitoring site with valid design value <= 35 ppm (34)
1-Hour CO monitoring site with invalid design value <= 35 ppm (35)
8-Hour CO monitoring site with valid design value <= 9 ppm (36)