Technical Bulletin No. 1077: Biotic Response to Mill Effluents in Whole Effluent Toxicity (WET) Tests: Comparison of Existing Methods with New Methods under Development by EPA

The US Environmental Protection Agency (EPA) currently has three promulgated methods to evaluate the chronic effects of treated effluent exposure in Whole Effluent Toxicity (WET) tests using an algae (Raphidocelis subcapitata; formerly Selenastrum capricornutum and Pseudokirchneriella subcapitata), a macroinvertebrate (Ceriodaphnia dubia), and a fish (Pimephales promelas). Among these, C. dubia…