Instructor materials and reference guides for MSHA approved instructors and competent persons
- OT54 – Part 46 reference guide, questions and answers, sample training records
- OT55 – Part 48 reference guide, questions and answers, sample training records
- OT56 – Part 46 and Part 48 Reference Guide
- IG 24a – Part 48 training requirements for MSHA approved instructors
- IG 24b – Part 46 training requirements for competent persons
- IG 37 Part 46 Instructors Guide with Lesson Plans