The design of the Port Hedland Ambient Air Quality Network, including selection of the monitoring sites, was undertaken by an air quality expert and supported by the Port Hedland Dust Management Taskforce and the environmental regulator at the time.
The Network data is reconciled and reported annually in the PHIC Ambient Air Quality Monitoring Annual Report, which is compiled by external air quality experts.
These reports have been provided to government since 2013/14.
The focus of the Network is on the measurement of PM2.5 and PM10. All eight stations monitor particles, with six sites being further analysed for the presence of metals in the particle sample as well as meteorological conditions including wind speed and direction, and temperature.
Oxides of nitrogen and sulphur dioxide are monitored at three stations to determine the relative change in the ambient concentration over time.
The selection of Taplin Street as a regulatory site (not a compliance site) to measure PM10 exceedances was agreed by the Taskforce in 2010 and has been endorsed by subsequent State Governments.
PHIC communicates honestly and transparently openly sharing real-time monitoring data and reporting on dust monitoring.
Dust exceedances are investigated and reported publicly and to the regulator.
PHIC remains committed to working with government to ensure stakeholders trust the monitoring data of the Network.
Naturally occurring dust is a significant contributor to overall dust in Port Hedland. We encourage broader dust management and exposure reduction opportunities that are not isolated to industry.
We acknowledge the information provided is of a scientific nature.
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