SJUAPCD RULE 6030 EPISODE CRITERIA LEVELS LAST REVISED 12/17/1992 RULE 6030 EPISODE CRITERIA LEVELS (Adopted May 21, 1992, Amended December 17, 1992) Pollutant Averaging Health Stage 1 Stage 2 Stage 3 Time Advisory (Alert) (Warning) (Emergency) Ozone 1 Hour 0.15 ppm 0.20 ppm 0.35 ppm 0.50 ppm for 1 hr.* Carbon 1 Hour ** 40 ppm 75 ppm 100 ppm Monoxide for 1 hr.* 4 Hours ** 25 ppm 45 ppm 60 ppm 12 ** 20 ppm 35 ppm 50 ppm Hours 8 Hours ** 15 ppm 30 ppm 40 ppm Sulfur 1 Hour ** 0.5 ppm 1.0 ppm 2.0 ppm Dioxide 24 ** 0.2 ppm 0.7 ppm 0.9 ppm Hours Particulate 24 ** 375 ug/m3 625 ug/m3 875 ug/m3 Matter Hours * and predicted to persist for one additional hour. ** Health Advisories for these pollutants are issued at their respective Stage 1 levels.