This workbook is part five of a self-instructional course prepared for the United States Environmental Protection Agency. The student proceeds at his own pace and when questions are asked, after answering, he either turns to the next page to check his response or refers to the previously covered material. The purpose of this course is to prepare the student for the APC Training Certificate. This section introduces the student to the incinerator, its basic parts, and the fundamentals of incineration. (BT)