Washington Commercial Diving Operations, Chapter 296-37 WAC, is a set of regulations that govern commercial diving activities within the state of Washington. This chapter outlines the requirements for obtaining a Washington State Commercial Diver Certificate and provides safety guidelines and standards for commercial divers. It covers topics such as qualifications, training, medical requirements, equipment maintenance, and working conditions. In addition, the chapter establishes the rules for reporting and investigating diving related incidents, such as diving accidents and fatalities. The chapter is divided into four distinct categories: General Provisions, Qualifications and Certification, Equipment and Maintenance, and Rules and Regulations. Types of Washington Commercial Diving Operations, Chapter 296-37 WAC: 1. General Provisions 2. Qualifications and Certification 3. Equipment and Maintenance 4. Rules and Regulations.