| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.1002 - Review of Variance Request Number 2276 |
| 2 | - 1910.1002 - Benzo(a)pyrene regulated with coal tar pitch volatiles.; Response to request for information on benzo(a)pyrene. |
| 3 | - 1910.1002 - Natural or mined asphalts do not fall within the scope of the Coal Tar Pitch Volatiles Standard |
| 4 | - 1910.1002 - Applicability of the Coal Tar Pitch Volatiles Standard to dust of coal tar pitch |