This publication provides introductory technical guidance for civil engineers, environmental engineers, and other professional engineers, construction managers and treatment plant operators interested in methods, systems and equipment for treatment of hazardous sludge and soil. Here is what is discussed: 1. BIOLOGICAL TREATMENT, 2. ENCAPSULATION, 3. LOW TEMPERATURE THERMAL DESORPTION, 4. SOLIDIFICATION/STABILIZATION, 5. THERMAL DESTRUCTION, 6. VOLUME REDUCTION, 7. WET OXIDATION, 8. EVAPORATION