Superfund Tax on Chemical Substances; Request To Modify List of Taxable Substances; Notice of Filing for Styrene Isoprene Block Copolymer; x+z=482, y=2,178.51, a=1.70

摘要

This notice of filing announces that a petition has been filed requesting that styrene isoprene block copolymer ((C 8 H 8 ) x - (C 5 H 8 ) y - (C 8 H 8 ) z - (C 33 H 56 N 4 OS 2 ) a ; x+z=482, y=2,178.51, a=1.70), also known as "SIS Rubber," be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.