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| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.150(c)(1)(x) - Soda acid and inverted foam extinguishers are not approved portable refighting equipment. |
| 2 | - 1926.150(c)(1)(ix) - Soda acid and inverted foam extinguishers are not approved portable refighting equipment. |
| 3 | - 1926.150 - The size of fire extinguisher for construction equipment. |
| 4 | - 1926.150 - Portable firefighting equipment. |
| 5 | - 1926.150(c) - Portable extinguisher requirements and standpipe requirements in construction. |