Quantitative analysis of lignosulphonate using benzethonium chloride – preliminary investigations

An assessment of water quality in the Inadi ward, Vulindlela district, KwaZulu

An examination of the efficiency of a simple runoff plot sample splitter

The effect of particle size and interfering ions on fluoride removal by activated alumina

Monitoring and control of anaerobic digestion

The occurrence of organic micro-pollutants in the Vaal River between Grootdraai Dam and Parys

Sedimentverlies en oppervlakafloop vanaf natuurlike veld in die sentrale Oranje-Vrystaat

Technical note: Preliminary observations on polyhydroxybutyrate metabolism in the activated sludge process

Modelling sea-water intrusion in the Atlantis aquifer

An assessment of chlorinated pesticides in the major surface water resources of the Orange Free State during the period September 1984 to September 1985