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Standard Number > 1926 > 1926.651
- 1926.651 39:10216-23 - [03/18/1974] Excavation
- 1926.651 53:5280-82 - [02/23/1988] Excavation
- 1926.651 52:12288-339 - [04/15/1987] Excavation
- 1926.651 52:22799 - [06/16/1987] Excavation
- 1926.651 54:45894-45991 - [10/31/1989] Excavations; Construction; Trenching; Shoring; Sloping; Benching;Final Rule