Section |
Description |
255.451 |
|
255.452 |
|
255.453 |
|
255.455 |
External corrosion control: Buried or submerged pipelines installed after July 31, 1971 |
255.457 |
External corrosion control: Buried or submerged pipelines installed before August 1, 1971 |
255.459 |
External corrosion control: Examination of buried pipeline when exposed. |
255.461 |
|
255.463 |
|
255.465 |
|
255.467 |
|
255.469 |
|
255.471 |
|
255.473 |
|
255.475 |
|
255.476 |
Internal corrosion control: Design and construction of transmission line. |
255.477 |
|
255.479 |
|
255.481 |
|
255.483 |
|
255.485 |
|
255.487 |
Remedial measures: distribution lines other than cast iron or |
255.489 |
|
255.490 |
|
255.491 |
|
255.493 |