what standard when pollutant o 3 and averaging times 8-hour?
Pollutant Type Standard Averaging Time Regulatory Citation
National Ambient Air Quality Standards
1621705
text text text text text
2-1621705-1
Standards
Standards
SO 2 Primary 0.14 ppm (365 μg / m 3 ) 24-hour 40 CFR 50.4(b)
SO 2 Primary 0.030 ppm (80 μg/m³) annual 40 CFR 50.4(a)
SO 2 Secondary 0.5 ppm (1,300 μg/m³) 3-hour 40 CFR 50.5(a)
PM 10 Primary and Secondary 150 μg/m³ 24-hour 40 CFR 50.6(a)
PM 2.5 Secondary 35 μg/m³ 24-hour 40 CFR 50.7(a)
PM 2.5 Primary 15 μg/m³ annual 40 CFR 50.7(a)
CO Primary 35 ppm (40 mg /m³) 1-hour 40 CFR 50.8(a)(2)
CO Primary 9 ppm (10mg/m³) 8-hour 40 CFR 50.8(a)(1)
O 3 Primary and Secondary 0.12 ppm (235 μg/m³) 1-hour 40 CFR 50.9(a)
O 3 Primary and Secondary 0.075 ppm (150 μg/m³) 8-hour 40 CFR 50.10(a)
NO 2 Primary and Secondary 0.053 ppm (100 μg/m³) annual 40 CFR 50.11(a) and (b)
Pb Primary and Secondary 0.15 μg/m³ Rolling 3 months 40 CFR 50.12
SELECT Standard FROM table WHERE Pollutant = o 3 AND Averaging Time = 8-hour
o 3 8-hour