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| # | Letters of Interpretation |
|---|---|
| 1 | - 1926.406(c) - Use of portable arc welding machines in inclement weather. |
| 2 | - 1926.406, 1926.406(c) - Use of portable arc welding machines in inclement weather. |
| 3 | - 1926.406 - Relevance of NFPA 70E industry consensus standard to OSHA requirements; whether OSHA requirements apply to owners. |
| # | Regulations |
|---|---|
| 1 | - 1926.406 - Specific purpose equipment and installations. |
