The Environmental Protection Agency submits this Spring 1999 semiannual audit activity report in accordance with the requirements of the Inspector General Act Amendments of 1988. The report highlights significant audit management accomplishments and initiatives undertaken at EPA. It also provides an overview of audit activity in the previous six-month period -- October 1, 1998 through March 31, 1999. Complementing this report is EPA's Office of Inspector General Semiannual Report to the Congress: October 1, 1998 through March 31, 1999. The Inspector General's report highlights audit activity and describes its efforts to promote EPA's program efficiency and effectiveness.