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EPA Grants First Two Manufacturer Requests for Risk Evaluation
Posted on December 03, 2019 by Lynn L. Bergeson

By Lynn L. Bergeson and Carla N. Hutton
 
The U.S. Environmental Protection Agency (EPA) announced on December 2, 2019, that it granted the first two manufacturer requests for risk evaluations for diisodecyl phthalate (DIDP) and diisononyl phthalate (DINP), two chemicals used in plastic production.  EPA states that if the requests are not withdrawn within 30 days, both DIDP and DINP will enter the risk evaluation process under the Toxic Substances Control Act (TSCA).  Manufacturer-requested risk evaluations are conducted in the same manner as other risk evaluations conducted under TSCA Section 6(b)(4)(A).  EPA received the manufacturer requests from ExxonMobil Chemical Company (for DIDP) and from ExxonMobil Chemical Company, Evonik Corporation, and Teknor Apex (for DINP), both through the American Chemistry Council’s High Phthalates Panel.  Both chemicals were identified in the 2014 Update to the TSCA Work Plan.  As reported in our August 17, 2019, blog item, EPA held a public comment period on the requests, as well as additional conditions of use that EPA identified to include in the risk evaluations.  More information is available in our August 19, 2019, memorandum, “EPA Begins Comment Period on Manufacturer Requests for Risk Evaluation of DIDP and DINP, and Identifies Additional Conditions of Use.”

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