The volume contains, in ascending submission number order, 'status reports' (i.e., preliminary evaluations) prepared by the staff of the Office of Toxic Substances in EPA's Office of Pesticides and Toxic Substances for initial submissions received by EPA from chemical manufacturers, importers, processors and distributors from January 1, 1987 to December 31, 1988 under Section 8(e), the 'substantial risk' information reporting provision of the Toxic Substances Control Act (TSCA). The status reports contained in the compendium reflect only the initial phase of the Agency's evaluation process for the submitted information.