WASHINGTON, June 26 -- Internal Revenue Service has issued a notice called: Superfund Tax on Chemical Substances; Notice of Determinations To Add Substances to List of Taxable Substances.

The notice was published in the Federal Register on June 26 by Krishna P. Vallabhaneni, Tax Legislative Counsel.

Summary: This notice of determinations modifies the list of taxable substances to include the following two substances: chloro-isobutene-isoprene rubber ((C 4H 8) n-(C 5H 7.31Cl 0.69) m; n=97.75, m=2.25) and ethylene-propylene-dicyclopentadiene rubber ((C 2H 4) m-(C 3H 6) n-(C 10H 12) o; m=73.18, n=26.53, o=0.29).

For more information, contact Julia Barlow at 202/317-6855 (not a toll-free number).

The full text of the notice can be found at:...