WAC 296-67-300 through 296-67-387 comprise Part B of this chapter. This part contains requirements for petroleum refineries to reduce the risk of process safety incidents by eliminating or minimizing process safety hazards to which employees may be exposed. Part B supersedes the requirements in WAC 297-67-001 through 296-67-293, Part A, with respect to petroleum refineries.
Wash. Admin. Code § 296-67-300