This document describes procedures and outlines technical guidance for assistance in establishing effective visible emission observer training programs. Smoke generator operating information is presented and appendices gives examples of sample classroom training lectures as well as audit forms and statistical techniques used to access the quality of a training program. The adherence of visible emissions training programs to the materials in this document should result in improved and consistent levels of observer training. This documentation will aid enforcement programs in demonstrating that the observers were trained without biases and in a professional manner.