The goal of this project was to verify and augment the technical and cost data on modular incinerators that have been obtained in a previous study. Eight modular starved-air heat recovery incinerator (HRI) facilities ranging from 20 to 110 tons per day were visited. The equipment, facility layout, and operations were observed and photographed. Supervisors, operators, and maintenance personnel were interviewed at length about their experience with the HRI equipment ...