“DEVELOPMENT OF SITE-SPECIFIC AMMONIA CRITERIA AND AN INTEGRATED RISK ASSESSMENT”
Abstract:Ammonia toxicity testing was performed on seven species of aquatic life and used in conjunction with public domain data to develop site-specific ammonia criteria for the Red and Assiniboine rivers in the area of Winnipeg, Manitoba. Using steady-state and dynamic modeling waste load allocation procedures were used to estimate the potential control requirements for three wastewater treatment plants operated by the City of Winnipeg. A new integrated risk assessment method was developed by jointly using an ammonia effects model for the most sensitive aquatic species and dynamic water quality modeling output. The risk assessment method and the conventional criteria development/waste load allocation procedures are compared.
Document Type: Research Article
Publication date: January 1, 2001
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