Distinguishing and characterising point-source mining dust and diffuse-source dust deposits in a semi-arid district of eastern Australia

Cattle, Stephen R.; Hemi, Karl; Pearson, Garry L.; Sanderson, Todd

doi:10.1016/j.aeolia.2012.07.001

Cited by 19 publications

(19 citation statements)

References 17 publications

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“…Results are in accordance with previous observations (e.g. Office of the Deputy Prime Minister 2003 ; Cattle et al 2012 ). The fine particle mass emissions were low especially for PM , which was mainly under 10 µg/m .…”

Section: Dust Mass Concentration Levelssupporting

confidence: 92%

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Dust formed during drilling in natural stone quarries

Sairanen

Selonen

2017

Bull Eng Geol Environ

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Dust mass concentration and concentration decrease was studied in two natural stone quarries in Finland. The dust mass concentrations produced during drilling was measured at several distances with short time interval (5 s) sampling. The variation of concentration was high, and wind direction had a crucial effect on dust dispersion. The impact of weather conditions, such as temperature and relative humidity, on dust concentration were inconsistent. The dust produced during drilling was mainly coarse-grained and it settled quickly. The background mass concentration was attained from 55 to 105 m at the downwind direction from the drill. The fine particle mass concentrations were low during the measurements. The fine particles originated mainly from other, remote, sources and from the machinery used in the quarries. Local dust sources, such as hauling, had a significant impact on dust mass concentrations 1,* 2 1 2 even inside the quarry. The drilling capacity effected on dust mass concentration near the drill, but the impact vanished quickly with increasing distance.

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Section: Dust Mass Concentration Levelssupporting

confidence: 92%

“…However, some studies suggest that the dust particles are spread several kilometres away from the quarries (e.g. Cattle et al 2012 ).…”

Section: Previous Studiesmentioning

confidence: 99%