| # | Letters of Interpretation |
|---|---|
| 1 | - 1904.4(a) - Clarification of the term abnormal condition as used in the Recordkeeping standard |
| 2 | - 1904.4(a) - Clarification on administering oxygen as a precautionary measure and as medical treatment |
| 3 | - 1904.4(a) - Clarification on when administering oxygen would result in a recordable injury |