(NO2) 1 year 0.03 ppm year none (maximum 1 day a 1 hour 0.10 ppm oxidants year 1 day 4 hours 0.08 ppm Ozone (O3) a year 3 (maximum days a year 8 hours 0.05 ppm none 8 hours 0.08 ppm Sulphur 1 hour 0.20 ppm 1 day a dioxide year 1 day 1 day 0.08 ppm (SO2) a year none (maximum 1 year 0.02 ppm Lead 1 year none 0.50 μg/m3 (maximum
(NO2) (maximum 1 year 0.03 ppm year none oxidants Ozone (O3) (maximum 1 hour 4 hours 8 hours 8 hours 0.10 ppm 0.08 ppm 0.05 ppm 0.08 ppm 1 day a year 1 day a year 3 days a year none Sulphur dioxide (SO2) (maximum 1 hour 1 day 1 year 0.20 ppm 0.08 ppm 0.02 ppm 1 day a year 1 day a year none Lead (maximum 1 year 0.50 μg/m3 none
Hazelwood_Mine_Inquiry_Report_Part04_PF.docx