Key Details
- Under the Toxic Substances Control Act’s (TSCA) New Chemicals program, tens of thousands of submissions of pre-manufacture notices (PMNs) have been reviewed over the past 20 years with the use of exposure modeling thresholds that were programmed to not consider risks from releases to the air or emissions of toxic substances below a certain threshold amount. Instead, this policy focused on exposures with the greatest potential to affect human health and the environment and took into account EPA’s limited resources to review PMNs.
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