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Background Air Quality Monitoring

Background Dust Monitoring Data

Spur Hill Management installed an ambient air quality monitoring device known as a ‘TEOM’ in late March 2013 to gather baseline dust concentration data in the vicinity of its Exploration Licence 7429.

Information collected from the air quality monitoring device is presented below for the information of the community. 

The Spur Hill Underground Coking Coal Project is not operational and has not commenced.  The data below present existing (baseline) air quality in the area.

The device measures the concentrations of particulate matter less than 10 micrometres (µm) in size (PM10), and particulate matter less than 2.5 µm in size (PM2.5). PM10 emissions can arise from a range of activities, from vehicle movements, mining activities and combustion sources. PM2.5 emissions are mainly associated with combustion sources, such as vehicles, power stations, residential wood burning and bushfires.

The location of the device is presented in the following figure.

Location

Location of Air Quality Monitoring Device near EL 7429

Measured Data – PM10

Several elevated 24-hour concentrations of PM10 were recorded in late 2013 and early 2014. Corresponding high levels were recorded at other monitoring sites in the wider area, indicating that the high levels were likely due to regional events rather than local sources. It was determined that these high levels correlated to bushfires in the area in October 2013, November 2013 and January 2014. Even with these elevated levels, the annual average concentration is below half the relevant air quality criteria.

The TEOM experienced a number of faults in late March 2015 and January 2016 and was taken offline for maintenance. Monitoring at the TEOM recommenced in late April 2015 and early February 2016, respectively.

All 24-hour average PM10 concentrations measured by the TEOM between April 2013 and March 2017 are shown on the following figure. 

Measured

Measured 24-hour Average PM2.5 Concentrations (µg/m³)(1)

Measured Data – PM2.5

Similar to the elevated concentrations identified for PM10, several elevated 24-hour concentrations of PM2.5 were recorded in late 2013 and early 2014, corresponding to bushfire events. The elevated 24-hr concentration of PM2.5 recorded in early November 2014 may also be related to bushfires in the Wollemi and Yengo National Parks during the same period. The annual average concentration is below the relevant air quality criteria.

The TEOM experienced a number of faults in late March 2015 and January 2016 and was taken offline for maintenance. Monitoring at the TEOM recommenced in late April 2015 and early February 2016, respectively.

All 24-hour average PM2.5 concentrations measured by the TEOM between April 2013 and March 2017 are shown on the following figure. 

Measured2

 Measured 24-hour Average PM2.5 Concentrations (µg/m³)(1)

Spur Hill Management will update the data regularly following quality control checks of the data. The next update is due in early 2018.

(1) Micrograms per cubic metre.