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· In metal , nonetheless, the key role of research on silicosis being carried out was acknowledged in Britain in the Royal Commission on Metalliferous and Quarries in 1913–14 [1914, pp. 138–139], not least by Edgar Collis.
Products& services. Sallies Silica manufactures a wide range of dry graded sand. Product sizes range from coarse silica gravel or grit, up to lumped rock, and down to fine sand granules. The chemical composition of our products is of the highest purity in South Africa as it is mined from a and processed in a series of crushing and screening steps, followed by washing and …
Maxima Silica is majority Incubex Minerals Limited which is a BEE compliant company in terms of the Broad Based Socio-Economic Charter for the South African mining industry the Mining Charter of 2004 given its BEE HDSA 59% majority ownership.
FILE PHOTO: Former gold miner Thulani Bitsha, 39, who contracted silicosis while working underground, stands in the doorway to his home near Bizana s impoverished Eastern Cape ...
The results indicate unacceptable crystalline exposures in surrounding communities and the need for enforcement of an ambient limit for . Exceedance of environmental exposure limits to crystalline in communities surrounding gold tailings storage facilities
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It has been estimated that one in four gold miners in South Africa suffer from silicosis, a debilitating and incurable disease that has been called an epidemic. Approval of a class action structure for the victims of the silicosis epidemic would be an unprecedented means of recovery for South Africa.
Introduction. The platinum group metals PGMs have surpassed gold in value, production and employment . Production more than doubled from 128 000kg in 1987 to 275 000kg in 2008 .Employment has increased by 240% since 1987 in 2008, the platinum industry employed almost 200 000 workers, comprising 39% of miners in all commodities  although, by 2011, the labour …
· Introduction. In the African industry, exposure, silicosis and tuberculosis have been well documented and these remain an important public health concern because crystalline free or quartz is one of a handful of toxins that causes multiple serious diseases and increased mortality Rees and Murray, 2007.
Sand introduces. Foundry sand is the quartz as the main mineral composition, particle size of 0.020 mm to 3.350 mm refractory particles, according to the and processing methods of different can be divided into artificial sand and sand washing, sand washing, selection of natural sand such as sand flotation.
Quartz. Quartz is situated outside Delmas, on the border of Mpumalanga and Gauteng. In operation since 1972, Quartz is among the largest producer of high-quality , used primarily in the production of glass and graded sand.
’s miners are among the workers worst affected by silicosis in the world. Silicosis is a painful and debilitating disease that causes shortness of breath, a persistent cough and ...
Conclusion: Older in-service gold miners in South Africa have a high prevalence of PTB, which is significantly associated with dust and silica exposure, even in the absence of silicosis. Limitations include a survivor workforce and the use of cumulative exposures based on current exposures.