[['pollutant', 'type', 'standard', 'averaging time', 'regulatory citation'], ['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 / m cubic)', 'annual', '40 cfr 50.4 (a)'], ['so 2', 'secondary', '0.5 ppm (1300 μg / m cubic)', '3 - hour', '40 cfr 50.5 (a)'], ['pm 10', 'primary and secondary', '150 μg / m cubic', '24 - hour', '40 cfr 50.6 (a)'], ['pm 2.5', 'secondary', '35 μg / m cubic', '24 - hour', '40 cfr 50.7 (a)'], ['pm 2.5', 'primary', '15 μg / m cubic', 'annual', '40 cfr 50.7 (a)'], ['co', 'primary', '35 ppm (40 mg / m cubic)', '1 - hour', '40 cfr 50.8 (a) (2)'], ['co', 'primary', '9 ppm (10 mg / m cubic)', '8 - hour', '40 cfr 50.8 (a) (1)'], ['o 3', 'primary and secondary', '0.12 ppm (235 μg / m cubic)', '1 - hour', '40 cfr 50.9 (a)'], ['o 3', 'primary and secondary', '0.075 ppm (150 μg / m cubic)', '8 - hour', '40 cfr 50.10 (a)'], ['no 2', 'primary and secondary', '0.053 ppm (100 μg / m cubic)', 'annual', '40 cfr 50.11 (a) and (b)'], ['pb', 'primary and secondary', '0.15 μg / m cubic', 'rolling 3 months', '40 cfr 50.12']]
5 of the Pollutant fall only under the Primary Type of Pollutant
5 of the [ENT] fall only under the [ENT] [ENT] of [ENT]