Members of the Silicones Environmental, Health and Safety Center (SEHSC), a sector group of the American Chemistry Council (ACC), submitted a Final Report of the results of the D4 (Octamethylcyclotetrasiloxane) environmental monitoring program to the U.S. Environmental Protection Agency (EPA). Actual environmental concentrations measured in samples collected during the program will facilitate EPA’s environmental risk assessment for D4, which is primarily used as an intermediate to make silicone polymers.
“Based on a preliminary assessment of the data, SEHSC continues to believe that no regulatory restrictions are needed,” said Karluss Thomas, Senior Director of SEHSC, ACC’s Chemical Products and Technology Division (CPTD). “The silicones industry is pursuing an independent, peer-reviewed environmental risk evaluation of the data submitted as part of the ECA. Our industry stands ready to provide additional technical support as EPA contemplates the risk evaluation process for D4.”
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