This module, one of 25 on vocational education training for careers in environmental health occupations, contains self-instructional materials on communicating with environmental health staff. Following guidelines for students and instructors and an introduction that explains what the student will learn are three lessons: (1) identifying and developing seven positive work attitudes; (2) identifying and developing effective communication techniques; and (3) applying positive work attitudes and effective communication techniques toward resolving work-related communication problems. Each lesson contains objectives, recommended methods and locations for practice, performance criteria, equipment and supplies to perform a task, detailed step-by-step instructions for learning a task, and performance exercises. Performance tests cover the subject matter of each lesson. (CT)