| Note: | Removal of accumulated dust should be done: |
| • With a high efficiency particulate air filter (HEPA), vacuum cleaner when the plant is not in operation; | |
| AND | |
| • By a person wearing a respirator approved for the existing conditions |
| Reference: | • For additional housekeeping requirements, see the Safety and health core rules, chapter 296-800 WAC, Housekeeping, WAC 296-800-220. |