Author:Meiring, PGJ; Drews, RJLC; Van Eck, H; Stander, GJDate:Jan 1968Some of the effluents from the sewage purification systems covered by this report show quite marked seasonal variations. No assurance can be given that the effluents would meet promulgated standards from season to season. The effluent from ...Read more
Author:Drews, RJLCDate:1983Pond systems are ideally suited for small communities, and for schools, hospitals and other institutions since they are simple and economical to construct, operate and maintain. Numerous pons systems have been designed and commissioned in ...Read more
