This report details the activities and findings of the U.S. Environmental Protection Agency's Office of Inspector General from April 1999 to September 1999. The Inspector General's office is tasked with overseeing the EPA's programs and operations to ensure efficiency, effectiveness, and compliance with laws and regulations. This semiannual report outlines the audits, investigations, and reviews conducted during the specified period, highlighting key issues, recommendations, and the agency's responses to them, all within the context of the EPA's broader mission to protect human health and the environment.

This report serves as a formal record of oversight activities for a specific period, providing transparency into the functioning of the EPA's Inspector General's office. Its value lies in its factual documentation of audits, investigations, and recommendations, offering insight into the challenges and successes of environmental regulation during the late 1990s. The content is primarily of interest to those involved in government oversight, environmental policy, and public administration, serving as a reference for accountability and program improvement.