Minn. R. agency 167, ch. 7009, AIR POLLUTION EPISODES, pt. 7009.1060 - TABLE 1

	Alert	Warning	Emergency	Significant Harm
SO2	300 ppb	600 ppb	800 ppb	1000 ppb
24 hr. avg.	800 [MICRO]g/m3	1600 [MICRO]g/m3	2100 [MICRO]g/m3	2620 [MICRO]g/m3
PM-10 24 hr. avg.	350 [MICRO]g/m3	420 [MICRO]g/m3	500 [MICRO]g/m3	600 [MICRO]g/m3
CO	15 ppm	30 ppm	40 ppm	50 ppm
8 hr. avg.	17 mg/m3 3	4 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 [MICRO]g/m3	565 [MICRO]g/m3	750 [MICRO]g/m3	938 [MICRO]g/m3
NO2	600 ppb	1200 ppb	1600 ppb	2000 ppb
1 hr. avg.	1130 [MICRO]g/m3	2260 [MICRO]g/m3	3000 [MICRO]g/m3	3750 [MICRO]g/m3
Ozone	200 ppb	400 ppb	500 ppb	600 ppb
2 hr. avg.	400 [MICRO]g/m3	800 [MICRO]g/m3	1000 [MICRO]g/m3	1200 [MICRO]g/m3

Notes

Minn. R. agency 167, ch. 7009, AIR POLLUTION EPISODES, pt. 7009.1060

18 SR 614 41 SR 763

Statutory Authority: MS s 116.07