This air quality monitoring program was undertaken from 1 May 2009 to 2 October 2009.
Continuous monitoring was undertaken for a range of air quality parameters at sites in Yarloop, Cookernup and adjacent to the refinery. A wide range of air quality parameters were monitored including volatile organic compounds (VOCs), particles, heavy metals, oxides of nitrogen (NOx), sulfur dioxide (SO2), carbon monoxide (CO), wind speed, wind direction and relative humidity.
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