References
DEPARTMENT OF WATER AFFAIRS AND FORESTRY (DWAF) (1993)
South African Water Quality Guidelines for Domestic Use (1st edn.).
Pretoria.
DEPARTMENT OF WATER AFFAIRS AND FORESTRY (DWAF) (1994)
White Paper on Water and Sanitation.
DEPARTMENT OF WATER AFFAIRS AND FORESTRY (DWAF) (1996)
South African Water Quality Guidelines for Domestic Use (2 nd edn.).
Pretoria.
FORD TE and COLWELL RR (1996) A Global Decline in Microbiological
Safety of Water: A Call for Action. A Report from the American
Academy for Microbiology, USA.
GRABOW WOK, COUBROUGH P, NUPEN EM and BATEMAN BW
(1984) Evaluations of coliphages as indicators of the virological
quality of sewage-polluted water. Water SA 10 (1) 7-14.
SCHALEKAMP M (1990) The UNO-drinking-water decade 1980-1991:
Problems and successes. Lecture held on the occasion of the 100th
Anniversary of the Austrian Gas and Water Industry. Water Supply
Zurich, Industria Corporations of the City of Zurich. Bombay.
THE MICROBIOLOGY OF WATER (1994) Methods for the Examination
of Waters and Associated Materials. Report on Public Health
and Medical Subjects No. 71. HMSO BOOKS, London.
WATER RESEARCH COMMISSION (WRC) (1993) Guidelines on the
Cost Effectiveness of Rural Water Supply and Sanitation Projects.
Water Research Commission Report No. 231/1/93, Pretoria.
ReferencesDEPARTMENT OF WATER AFFAIRS AND FORESTRY (DWAF) (1993)South African Water Quality Guidelines for Domestic Use (1st edn.).Pretoria.DEPARTMENT OF WATER AFFAIRS AND FORESTRY (DWAF) (1994)White Paper on Water and Sanitation.DEPARTMENT OF WATER AFFAIRS AND FORESTRY (DWAF) (1996)South African Water Quality Guidelines for Domestic Use (2 nd edn.).Pretoria.FORD TE and COLWELL RR (1996) A Global Decline in MicrobiologicalSafety of Water: A Call for Action. A Report from the AmericanAcademy for Microbiology, USA.GRABOW WOK, COUBROUGH P, NUPEN EM and BATEMAN BW(1984) Evaluations of coliphages as indicators of the virologicalquality of sewage-polluted water. Water SA 10 (1) 7-14.SCHALEKAMP M (1990) The UNO-drinking-water decade 1980-1991:Problems and successes. Lecture held on the occasion of the 100thAnniversary of the Austrian Gas and Water Industry. Water SupplyZurich, Industria Corporations of the City of Zurich. Bombay.THE MICROBIOLOGY OF WATER (1994) Methods for the Examinationof Waters and Associated Materials. Report on Public Healthand Medical Subjects No. 71. HMSO BOOKS, London.WATER RESEARCH COMMISSION (WRC) (1993) Guidelines on theCost Effectiveness of Rural Water Supply and Sanitation Projects.Water Research Commission Report No. 231/1/93, Pretoria.
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