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| # | Regulations |
|---|---|
| 1 | - - Process safety management of highly hazardous chemicals. |
| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.119(l) - "Applicability of the PSM standard's mechanical intergrity requirements to refinery structures." |
| 2 | - 1910.119(l)(5) - PSM compliance for ammonia refrigeration systems. |
| 3 | - 1910.119(l)(4) - PSM compliance for ammonia refrigeration systems. |
| 4 | - 1910.119(l)(2)(i) - PSM compliance for ammonia refrigeration systems. |
