Figure 4.4 State Environment Protection Policy (Ambient Air Quality) standard47 Environmental Averaging Environmental Maximum Indicator Period Quality allowable (Pollutant) Objectives exceedences within a period of 10 years Carbon 8 hours 9.0 ppm 1 day a year monoxide (CO) (maximum concentration)
Figure 4.4 State Environment Protection Policy (Ambient Air Quality) standard47 Environmental Indicator (Pollutant) Averaging Period Environmental Quality Objectives Maximum allowable exceedences within a period of 10 years Carbon monoxide (CO) (maximum concentration) 8 hours 9.0 ppm 1 day a year
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