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| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.1045 - 8-hour total weight average (TWA) permissible exposure limit (PEL). |
| 2 | - 1910.1045(n)(2)(iii) - Acceptability of X-ray film size 16" X 17". |
| 3 | - 1910.1045 - Use of amyl nitrite pearls as an antidote for acrylonitrile poisoning. |
| 4 | - 1910.1045(m)(2) - Showering requirements of the acrylonitrile standard |