The following referenced standards are added to Chapter 8.
ASME
B16. 38-2012(R2017): Large Metallic Valves for Gas Distribution: Manually Operated, NPS 2 1/2 (DN 65) to NPS 12 (DN 300), 125 psig (8.6 bar) Maximum. . . . . . . . . . . . . . . . . . . . . Table 409.1.1
Wash. Admin. Code § 51-52-21800