Chapter 480-93 - Gas companies-Safety
- Section 480-93-005 - Definitions
- Section 480-93-007 - Application of rules - Responsibility for contractors
- Section 480-93-008 - Additional requirements
- Section 480-93-009 - Severability
- Section 480-93-012 - Computation of time
- Section 480-93-013 - Covered tasks
- Section 480-93-015 - Odorization of gas
- Section 480-93-017 - Filing requirements for design, specification, and construction procedures
- Section 480-93-018 - Records
- Section 480-93-020 - Proximity considerations
- Section 480-93-040 - Location of gas compressor stations on gas pipelines
- Section 480-93-080 - Welder and plastic joiner identification and qualification
- Section 480-93-100 - Valves
- Section 480-93-110 - Corrosion control
- Section 480-93-115 - Casing of line pipes
- Section 480-93-124 - Pipeline markers
- Section 480-93-130 - Multistage pressure regulation
- Section 480-93-140 - Service regulators
- Section 480-93-155 - Increasing maximum allowable operating pressure
- Section 480-93-160 - Reporting requirements of proposed construction
- Section 480-93-170 - Tests and reports for gas pipelines
- Section 480-93-175 - Moving and lowering metallic gas pipelines
- Section 480-93-178 - Protection of plastic pipe
- Section 480-93-180 - Plans and procedures
- Section 480-93-185 - Gas leak investigation
- Section 480-93-186 - Leak evaluation
- Section 480-93-18601 - Leak classification and action criteria - Grade - Definition - Priority of leak repair
- Section 480-93-187 - Gas leak records
- Section 480-93-188 - Gas leak surveys
- Section 480-93-200 - Reporting requirements
- Section 480-93-223 - Civil penalty for violation of chapter 81.88 RCW and commission gas safety rules
- Section 480-93-230 - Exemptions from rules in chapter 480-93 WAC
- Section 480-93-240 - Annual pipeline safety fee methodology
- Section 480-93-250 - Damage prevention
- Section 480-93-999 - Adoption by reference