| # | Federal Register |
|---|---|
| 1 | - 77:13997 - Revising Standards Referenced in the Acetylene Standard - PDF |
| 2 | - 76:75782-75786 - Revising Standards Referenced in the Acetylene Standard - PDF |
| 3 | - 76:75840-75844 - Revising Standards Referenced in the Acetylene Standard - PDF |
| 4 | - 74:57883-57884 - Revising Standards Referenced in the Acetylene Standard - PDF |
| 5 | - 58:57628-57631 - Oregon State Standards; Approval. |