This packet contains an instructor's manual and participant workbook for use within a series of facilitated training sessions covering requirements for hazard communications in the workplace (especially in Oklahoma), or as a reference for self-paced individual study. The instructor's guide provides answers to the worksheets and to the review sheet questions in the participant workbook, and step-by-step instructions for using each unit. It also recommends instructional strategies for each of the objectives and identifies optional resources to supplement the unit. The participant workbook contains five units of instruction that cover the following topics: requirements of the Oklahoma Hazard Communication Standard, inventory control and recordkeeping, fire safety, non-routine tasks, and employee training guidelines. Each unit consists of the following components: objective sheet, information sheet, worksheet, and review sheet. Contents of the appendices are as follows: Oklahoma Hazard Communication Standard; fire hazard definitions; addresses for resources; sign variance procedures; an employee personal safety checklist; a hazard communication checklist; and a log and summary of occupational injuries and illnesses. (KC)