| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.146(k)(1)(i) - Permit-Required Confined Space Entry Requirements For IDLH and Non-IDLH Spaces |
| 2 | - 1910.146(k)(1) - Employer selection of local fire department as its off-site rescue service for compliance with 29 CFR 1910.146(k)(1). |
| 3 | - 1910.146(k)(1) - Respiratory protection and emergency escape requirements for IDLH atmospheres. |