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Reviewing New Chemicals under the Toxic Substances Control Act (TSCA)

PMN Review Process

Following receipt of a PMN or exemption notice, EPA scientists and program managers meet to evaluate the notice and the notice undergoes the following steps in the Agency's 90-day review process. View the graphic of the new chemicals review process below.  For a description of the process step, click on any of the boxes.

New Chemicals Review Process

Chemical Review and Search StrategyExposure, Releases and RisksFocusPreparation for RecommendationThe Regulatory DeterminationActionsSAT Structure Activity Team