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| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.905(h) - Restrictions on drilling within 50 feet of a hole loaded with explosives. |
| 2 | - 1926.905(h) - Use of construction equipment around explosive loaded bore holes. |
| 3 | - 1926.905(h) - Clarification concerning allowable drilling distance between loaded holes for a blasting operation. |
| 4 | - 1926.905(h) - Blasting and Use of Explosives Relative. |