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• Sources of Ozone Precursors and Atmospheric Chemistry in a Typical Australian City (PDF - 717 KB) |   (RTF - 11,339 KB)

Executive summary

The activity presented in this report involves measurement and modelling of levels of ozone and their precursors in urban centres. The purpose is to verify and, where possible, identify changes that can be made in the inventories and modelling systems to improve the robustness of ozone air quality modelling. The results will be used to develop policies and management actions that will significantly reduce ozone pollution in major cities. The work has three specific objectives:

1. To determine the sources of ozone precursors in the air on days of high ozone potential.
2. To determine the mixture of concentrations of ozone precursors, their products and ozone in the afternoon during ozone events for the testing of photochemical airshed models.
3. To compare the continuous data obtained from these instruments for BTEX compounds with the standard analytical techniques prescribed in the Air Toxics NEPM.