An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Assessing and Managing Chemicals under TSCA

TSCA Work Plan Chemical Problem Formulation and Initial Assessment Cyclic Aliphatic Bromides Cluster Flame Retardants

EPA released a problem formulation for the Cyclic Aliphatic Bromides used as a flame retardant in extruded and expanded polystyrene foams (EPS/XPS), polystyrene (PS) products. The goal of this problem formulation was to identify scenarios where further risk analysis may be necessary. The conclusion of this problem formulation is that EPA will assess risks to workers, consumers, the general population and aquatic, terrestrial and avian wildlife exposed as a result of manufacture, processing and use of HBCD.

You may need a PDF reader to view files on this page. See EPA’s About PDF page to learn more.