SAN JOAQUIN VALLEY UNIFIED AIR POLLUTION CONTROL DISTRICT

RULE 6030 - EPISODE CRITERIA LEVELS
(Adopted May 21, 1992, Amended December 17, 1992; November 13, 1996)

Pollutant

Averaging Time

Health Advisory

Stage 1 (Alert)

Stage 2 (Warning)

Stage 3 (Emergency)

Ozone

1 Hour

0.15 ppm

0.20 ppm

0.35 ppm

0.50 ppm for 1 hr.*

Carbon Monoxide

1 Hour

4 Hours

12 Hours

8 Hours

**

**

**

**

40 ppm

25 ppm

20 ppm

15 ppm

75 ppm

45 ppm

35 ppm

30 ppm

100 ppm for 1 hr.*

60 ppm

50 ppm

40 ppm

Sulfur Dioxide

1 Hour

24 Hours

**

**

0.5 ppm

0.2 ppm

1.0 ppm

0.7 ppm

2.0 ppm

0.9 ppm

PM-10

24 Hours

**

350 ug/m3

420 ug/m3

500 ug/m3

*and predicted to persist for one additional hour.

**
Health Advisories for these pollutants are issued at their respective Stage 1 levels.