Subpart A—General14

Subpart B—Materials10

Subpart C—Pipe Design14

Subpart D—Design of Pipeline Components36

Subpart E—Welding of Steel in Pipelines10

Subpart F—Joining of Materials Other Than by Welding9

Subpart G—General Construction Requirements for Transmission Lines and Mains16

Subpart H—Customer Meters, Service Regulators, and Service Lines19

Subpart I—Requirements for Corrosion Control26

Subpart J—Test Requirements10

Subpart K—Uprating4

Subpart L—Operations26

Subpart M—Maintenance34

Subpart N—Qualification of Pipeline Personnel5

Subpart O—Gas Transmission Pipeline Integrity Management26

Subpart P—Gas Distribution Pipeline Integrity Management (IM)8

[Reserved]