This publication provides introductory technical guidance for civil engineers, mechanical engineers and other professional engineers, construction managers and facilities managers interested in removal of underground storage tanks. Here is what is discussed: 1. GENERAL 2. REMOVAL OF UNDERGROUND TANKS 3. TANK DISPOSAL 4. SLUDGE REMOVAL PROCEDURES. Paul Guyer is a registered civil engineer, mechanical engineer, fire protection engineer and architect with 35 years of experience designing buildings and related infrastructure. For an additional 9 years he was a principal staff advisor to the California Legislature on capital outlay and infrastructure issues. He is a graduate of Stanford University and has held numerous national, state and local offices with the American Society of Civil Engineers, Architectural Engineering Institute and National Society of Professional Engineers. He is a Fellow of ASCE, AEI and CABE (U.K.).