<P> Purpose is to develop, approve and publish national water quality guidelines; identifies indicators to measure ecosystem health . The Secretariat for this Task Group is the National Guidelines and Standards Office (Environment Canada). </P> <Ul> <Li> Canadian Water Quality Guidelines (1987) - includes recommended guidelines for raw water for drinking water supply, recreational water quality and aesthetics, aquatic life (freshwater and marine), agricultural uses (irrigation and livestock watering), and industrial water supplies . Now includes 19 appendices and 41 guidelines </Li> <Li> Canadian Environmental Quality Guidelines (1999). Includes factsheets for guidelines (water, sediment, soil and tissue quality) and CCME protocols to develop Canadian Environmental Quality Guidelines . </Li> </Ul> <Li> Canadian Water Quality Guidelines (1987) - includes recommended guidelines for raw water for drinking water supply, recreational water quality and aesthetics, aquatic life (freshwater and marine), agricultural uses (irrigation and livestock watering), and industrial water supplies . Now includes 19 appendices and 41 guidelines </Li> <Li> Canadian Environmental Quality Guidelines (1999). Includes factsheets for guidelines (water, sediment, soil and tissue quality) and CCME protocols to develop Canadian Environmental Quality Guidelines . </Li>

Ccme canadian council of ministers of the environment