| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.28(b)(9)(i)(B) - Fixed Ladders on Grain Storage and Handling Equipment |
| 2 | - 1910.28(b)(9)(i)(B) - Personal Fall Arrest System or Ladder Safety System on Fixed Ladders, and Fixed Ladders Used on Grain Silos for Emergency Escape |
| 3 | - 1910.28(b)(9)(i)(B) - Personal Fall Arrest System or Ladder Safety System on Fixed Ladders |