Minnesota Administrative Rules

7009.1060 TABLE 1.

	Alert	Warning	Emergency	Significant Harm
SO2	300 ppb	600 ppb	800 ppb	1000 ppb
24 hr. avg.	800 µg/m3	1600 µg/m3	2100 µg/m3	2620 µg/m3
PM-10 24 hr. avg.	350 µg/m3	420 µg/m3	500 µg/m3	600 µg/m3
CO	15 ppm	30 ppm	40 ppm	50 ppm
8 hr. avg.	17 mg/m3	34 mg/m3	46 mg/m3	57.5 mg/m3
4 hr. avg.				86.3 mg/m3 75 ppm
1 hr. avg.				144 mg/m3 125 ppm
NO2	150 ppb	300 ppb	400 ppb	500 ppb
24 hr. avg.	282 µg/m3	565 µg/m3	750 µg/m3	938 µg/m3
NO2	600 ppb	1200 ppb	1600 ppb	2000 ppb
1 hr. avg.	1130 µg/m3	2260 µg/m3	3000 µg/m3	3750 µg/m3
Ozone	200 ppb	400 ppb	500 ppb	600 ppb
2 hr. avg.	400 µg/m3	800 µg/m3	1000 µg/m3	1200 µg/m3

Statutory Authority:

MS s 115.03; 116.07

History:

18 SR 614; 41 SR 763

Published Electronically:

January 27, 2017