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7546257 
Journal Article 
Organophosphorus and Volatile Organochlorine Compounds in the Waters of the Nilwala River of Southern Sri Lanka 
De Silva, MP; Hicke, K; Thiemann, W 
1991 
Aqua-Journal of Water Supply Research and Technology
ISSN: 2709-8028
EISSN: 2709-8036 
40 
4 
217 
English 
The Nilwala River in Sri Lanka flows through predominantly agricultural and urbanized areas. The river serves as a major water supply source in southern Sri Lanka. Concentrations of trace organic contaminants were measured in the river. Significant quantities of triphenylphosphate, tributylphosphate, tri-iso-butylphosphate, and tris -2-butoxyethylphosphate were detected. Several halogenated VOCs were also found. Pollution levels in the Nilwala and in Germany's Weser River are compared, and suggestions for implementing routine water monitoring procedures in Sri Lanka are made. 
Environment Abstracts; WATER QUALITY STANDARDS; AGRICULTURAL CHEMICALS; GERMANY; SRI LANKA; WATER SUPPLY; MONITORING, WATER; TRICHLOROETHYLENE; ORGANIC COMPOUNDS; ORGANOPHOSPHORUS; HALOGENS; VOLATILE ORGANIC COMPOUNDS; PESTICIDES; INDUSTRIAL CHEMICALS; WATER SAMPLING; ENA 07:General