Browsing Health Sciences by Author "Van der Merwe, A."
Now showing items 1-5 of 5
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Characterisation of airborne dust in a South African opencast iron ore mine : a pilot study
(2013)The iron ore mining industry makes use of various processes that result in the release of airborne dust into the surrounding atmosphere where workers are exposed, to produce a final product. The deposition in the lung and ... -
Characterisation of airborne dust in South African underground and opencast coal mines : a pilot study
(2015)Dust is a well-known occupational hygiene challenge and has been throughout the years, especially in the coal mining industry. The hazards arising from coal dust will differ between geographical areas due to the unique ... -
Characterisation of nickel in platinum refining process dust
(North-West University (South Africa) , Potchefstroom Campus, 2016)Objectives: The objective of this mini-dissertation was to determine the physical (particle size) and chemical (species) form of the nickel present in airborne particulate matter at a precious metals smelter. Methods: After ... -
Comparison of South African short-term and ceiling
(North-West University (South Africa) , Potchefstroom Campus, 2015)Occupational exposure limits (OELs) are established with the purpose of regulating exposure to hazardous chemical substance (HCSs) in the workplace. However, the effectiveness of controlling such risks is largely dependent ... -
Particle size and metal composition of gouging and lancing fumes
(North-West University (South Africa) , Potchefstroom Campus, 2016)Background: Gouging (used for preparation of the weld groove) and lancing (severs or removes metal) processes during mining maintenance operations liberate fumes of unknown particle sizes and metal composition. These fumes ...
