Prompted by important developments that have occurred since the publication of the third edition eight years ago, the newly updated TSCA Handbook provides anyone who manufactures, processes, distributes, or uses chemicals with a comprehensive look at their requirements under the Toxic Substances Control Act (TSCA). Practical and informative, this ready reference details current regulation under TSCA. It examines the Environmental Protection Agency's program for evaluation and regulating new substances, and it discusses PMN preparations and follow through, inspections and audits, and more. Developments addressed in this edition include the following: changes to the Inventory Update Rule, new voluntary testing initiatives, new enforcement policies and rules, revised PCB regulations regarding contaminated sites, and increased maximum civil penalties.