Excavation damage prevention programs for gas and hazardous liquids and carbon dioxide pipelines
| Publish Date | Status | Effective Date |
Federal Register Citation |
| Mar 20, 1995 | Final Rule | Mar 20, 1995 | 60 FR 14646 (60 FR 14646) |
| Jun 30, 1988 | NPRM | 53 FR 24747 (53 FR 24747) |