This instructor's manual provides an outline and guide for teaching Wastewater Treatment I. It consists of nine sections. An introductory note and a course outline comprise sections 1 and 2. Section 3 (the bulk of the guide) presents lesson outlines for teaching the ten chapters of the manual entitled "Operation of Wastewater Treatment Plants." Topics covered in the lesson outlines are treatment plant operation; reasons for treating wastes; wastewater facilities; racks, screens, and comminutors; grit removal; sedimentation and flotation; trickling filters; rotating biological contactors; activated sludge; waste treatment ponds; and disinfection and chlorination. Each lesson outline contains a list of objectives, discussion of the relative importance of material to be presented, and suggestions for three-hour labs involving field trips to local facilities. Suggested handout materials, transparency masters, and visual aids are included in sections 4-6. The final three sections consist of sample questions and answers for exams and finals, objective tests and answers, and discussion and review questions. (A corresponding student's guide is available separately through ERIC--see note.) (MN)