Changes in turbidity as a result of mineralisation in the lower Vaal River Changes in turbidity as a result of mineralisation in the lower Vaal River
Application of a Tetrahymena pyriformis bioassay system for the rapid detection of toxic substances in wastewaters Application of a Tetrahymena pyriformis bioassay system for the rapid detection of toxic substances in wastewaters
Apparatus for sampling of streams for chemical quality and sediment Apparatus for sampling of streams for chemical quality and sediment
A correlation model for calculating groundwater level responses in the Sishen North Mine A correlation model for calculating groundwater level responses in the Sishen North Mine
The clay mineralogy of sediments in the Vaal Dam and in the rivers supplying and draining the dam upstream of the barrage The clay mineralogy of sediments in the Vaal Dam and in the rivers supplying and draining the dam upstream of the barrage
Trace metal surveys in Mossel Bay, St Francis Bay and Algoa Bay Trace metal surveys in Mossel Bay, St Francis Bay and Algoa Bay
Technical Note: Temperature control for laboratory scale anaerobic digesters Technical Note: Temperature control for laboratory scale anaerobic digesters
The disturbance of sand filter supporting layers by air scouring The disturbance of sand filter supporting layers by air scouring