| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.651(g) - Application of the Confined Spaces Advisor to construction; personal fall arrest system requirements. |
| 2 | - 1926.651(g) - Soil testing for excavations and confined spaces. |
| 3 | - 1926.651(g)(2)(i) - Limitation on Enforcement of Certain Subsections of the Excavation Standard. |
| 4 | - 1926.651(g)(1)(iii) - Limitation on Enforcement of Certain Subsections of the Excavation Standard. |