KEY PERSONNEL

Ryno Erdmann
M.Sc. (Aquatic zoology) ; Pr.Sci.Nat (Reg.no:400410/04)



Ryno obtained his M.Sc. at the University of Potchefstroom during 1995. He specialised in bio-accumulation of heavy metals in fish. This provided him with valuable experience in terms of environmental water quality, aquatic biology as well as analytical processes and laboratory practise.

He shortly thereafter joined Clean Stream and is now the managing director of Clean Stream Scientific Services. Under his auspices Clean Stream Scientific Services grew to a company that now proudly hosts its own SANAS accredited hydrochemical and microbiological laboratory. Clean Stream Scientific Services can be considered as a market leader in environmental monitoring that provides a full fieldwork, analytical and reporting service.


Blanché Postma
B.Sc. Honns. (Cum Laude); Pr.Sci.Nat. (Reg.no:400081/99)



Blanché obtained her B.Sc Honns in Geography and Environmental Science at the University of Potchefstroom (North West University) during 1995.

She joined the Department of Water Affairs in 1996 where she became experienced in legislative aspects of the National Water Act, 1998 and the Regulations there under.

As part of the then Directorate: Water Quality Management she became skilled in mine water management, closure and rehabilitation of mines and environmental and water engineering aspects.

She joined Clean Stream during 2003 and is now the managing member of Clean Stream Environmental Consultants. In her capacity as specialist environmental scientist and project manager she has completed numerous large-scale environmental projects for the mining industry, amongst other. She oversee numerous Environmental Impact Assessment studies, Environmental Management Programme (EMP) development projects, development of Integrated Water and Waste Management Plans and Integrated Water Use Licence Applications, and is the team leader for numerous EMP performance assessments, License compliance audits, and GN704 compliance audits.

She is also the Chairman of the Water Institute of South Africa: Mine Water Division, a member of the council of the Water Institute of South Africa and a member of the International Association for Impact Assessment (South Africa).

Jaco de Klerk
B.Sc (Hons) Pr.Sci.Nat (Reg.no:400073/05)



Jaco obtained his B.Sc (Hons) in Zoology at the University of Free State and started his professional career at the Department of Water Affairs and Forestry during 1994. His role as a water resource manager in the Mpumalanga region provided him with valuable experience in water and environmental management. His exposure to large-scale mining and industry eventually led to consulting and he joined Clean Stream during 1998.

Jaco now acts as specialist advisor to the various Clean Stream companies. He is also responsible for programming the software that the company requires to manage fieldwork, laboratory analysis and reporting as an integrated system.


Dr Pieter Kotze
PhD (Aquatic Health) Pr.Sci.Nat (Reg.no: 400413/04)



Piet obtained his PhD in Aquatic Health during 2002 at RAU. He has 12 years experience in aquatic health surveys, biodiversity assessments and management plans as well as reserve determination projects. He started as a specialist consulting for RAU after which he joined Clean Stream in 2005 as one of the key members of Clean Stream Biological Services. He is an Accredited SASS5 practitioner to the South African River Health Programme.

Piet and his team are involved in a number of biomonitoring, aquatic and biodiversity projects on an ongoing basis. He is an internationally recognised scientist and a locally acclaimed leading specialist in the aquatic field.


Brenton Niehaus
M.Sc (Zoology) Pr.Sci.Nat (Reg.no: 400413/04)



Brenton obtained his M.Sc in aquatic health during 1997 at RAU. He and Piet Kotze started together as a team and also boast 12 years experience in aquatic health surveys, biodiversity assessments and management plans as well as reserve determination projects. He also started as a specialist consulting for RAU after which he joined Clean Stream in 2005 as one of the key members of Clean Stream Biological Services. He is an Accredited SASS5 practitioner to the South African River Health Programme.

Brenton operates from Waterkloof Glen office in Pretoria and is involved in a number of biomonitoring, aquatic and biodiversity projects on an ongoing basis.


Fritz Bekker
B.Sc (Hons) Cum Laude)



Fritz is the founding member of the Clean Stream group of companies. He obtained a B.Sc degree in Zoology at the Rand Afrikaans University and a B.Sc (Hons) degree with distinction in Environmental Monitoring and Modelling at UNISA, during 2010. He started his professional career at the Department of Water Affairs and Forestry as a water quality manager where he received two merit awards for exceptional performance and one Departmental award for distinguished service over consecutive years. He then obtained valuable experience in the mining industry as a mine ecologist at the Rio Tinto copper mine in Phalaborwa and then started practicing as an independent environmental consultant in 1996.

His work involves the pro-active development of new environmental technologies and services, the design of complex environmental monitoring programs as well as the compilation of specialist environmental assessments and audit reports.


Adie Erasmus
M.Sc (Botany) Pr.Sci.Nat (Reg.no: 400078/96)



Adie obtained her M.Sc in botany at the University of Port Elizabeth during 1991 specialising in coastal ecology (particularly coastal dunes). As contract researcher based at Kirstenbosch, she assisted with the planning of future urban open space along the west coast of the Cape Town Metropolitan Area. She then joined the Department of Environmental Affairs and Tourism in Pretoria, and worked on the Wetland Conservation Programme gaining valuable knowledge regarding the conservation of wetlands and the implementation of the Ramsar Convention. This followed a stint with the Mpumalanga Department of Agriculture, Conservation and Environment where she assisted with the implementation of the EIA Regulations, the evaluation of Environmental Impact Assessments (EIAís) and Environmental Management Programme Reports (EMPRís) for the mining industry. Working for government she gained valuable experience regarding the implementation of environmental legislation in South Africa.

Adie was a member of the South African delegation that conducted a mining study tour to the United States of America (as part of the Mbeki-Gore Binational Commision) in 1998. Here she gained valuable international knowledge regarding environmental management in the mining industry.

In 1999, she joined Clean Stream and in partnership with Fritz Bekker established Clean Stream Environmental Services: Coalfields cc of which she is now managing member.

Adie and her team have performed numerous environmental projects ranging from small residential developments to large golf estates and new mines. A list of projects completed by Adie and her team is provided on www.cleanstreamsa.co.za


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