Control Measures
For all covered work, use the following control methods to comply with the permissible exposure limits (PEL) and short-term exposure limits (STEL) rules:
- Ensure local exhaust ventilation is equipped with HEPA-filter dust collection systems.
- Enclose or isolate processes producing asbestos dust.
- Ventilate regulated areas to move contaminated air away from the employees' breathing zone and toward a filtration or collection device equipped with a HEPA-filter.
- Use engineering and work practice controls to reduce exposure to the lowest possible levels, supplemented by respirators to reach the PEL or STEL or lower.
- File a notification with DEQ/LRAPA.
- Use waste shipment form for waste transport.
These workers are using work practice controls to control asbestos exposure.
For all work operations, use the following engineering controls and work practices for all operations, regardless of exposure levels:
- Use vacuum cleaners equipped with HEPA filters to collect all asbestos-containing or presumed asbestos-containing debris and dust.
- Use wet methods or wetting agents to control employee exposures, except when wetting methods would cause electrical hazards, equipment malfunction, slipping hazards, or other hazards.
- Deactivate electrical circuits, if not provided with ground-fault circuit interrupters (GFCI).
- Promptly clean up and dispose of asbestos-contaminated waste and debris in leak-tight containers.
Knowledge Check Choose the best answer for the question.
5-9. What is a control method that will comply with the permissible exposure limits (PEL) and short-term exposure limits (STEL) rules?
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