905-794-2325 ecometrix.ca Portlands Energy Centre Fish Impingement and Entrainment. Entrainment & Impingement Study Challenge To evaluate impingement of fish and entrainment of fish eggs and larvae (ichthyoplankton) at the Portlands Energy Centre (PEC) and to estimate total fish losses and associated economic impact. Background The Environmental Review Report for the PEC predicted low fish impingement rates and negligible impact upon fish populations due to entrainment. Project Weekly entrainment sampling commenced at the beginning of May and continued for a period of 22 weeks until the end of September. The program was consistent with generally accepted methods in terms of duration, interval, frequency, intensity and magnitude and similar to what has been done at other

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