This document discusses the harmful effects of substance abuse in the workplace. It notes that 10% of U.S. workers abuse drugs or alcohol, costing over $50 billion annually in lost productivity. Substance abusers are generally less productive, make more mistakes, have more accidents, and are responsible for 40-47% of industrial and occupational accidents. The document outlines company policies for addressing substance abuse, including written policies prohibiting drugs and alcohol in the workplace, awareness programs, disciplinary actions, and rehabilitation assistance. It describes signs of abuse for various substances and provides guidance on recognizing and handling problems.