IZRAIL S. TUROVSKIY is a wastewater and biosolids consultant in Jacksonville, Florida. He received a BS degree in civil engineering from Civil Engineering Institute, St. Petersburg, Russia; an MS degree in sanitary engineeringfrom Civil Engineering Institute, Moscow, Russia; and a DSc degree in environmental engineering from Municipal Academy, Moscow. He has more than fifty years of experience in environmental engineering, including time as head of the All-UnionResearch Institute of Water Supply, Sewage Systems, and Hydrotechnical Structures in Moscow. Dr. Turovskiy has patentsin Russia, Franc...