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Clean Stream Environmental Consultants Cc. | Blanche’ Postma | EMPR’s & water use licences |
| Clean Stream Scientific Services (Pty) Ltd. | Ryno Erdmann | Environmental Monitoring, Data Management and Reporting. Also operate a Sanas Accredited Hydrochemical Laboratory |
| Clean Stream Biological Services | Dr. Pieter Kotze and Brenton Niehaus | Ecological studies & biomonitoring. Biodiversity Studies, Toxicity Testing |