| # | Directives |
|---|---|
| 1 | - 1910.1000 - National - CPL 02-02-031 [CPL 2-2.31] - Cotton Dust Manual |
| 2 | - 1910.1000 - National - CPL 02-02-006 [CPL 2-2.6] - Inorganic Mercury and its Compounds |
| 3 | - 1910.1000, 1910.1000(e) - National - CPL 02-02-006 [CPL 2-2.6] - Inorganic Mercury and its Compounds |