PEL & STEL Compliance

For all covered work, employers must use the following control methods to comply with the PEL and STEL:

• Local exhaust ventilation equipped with HEPA-filter dust collection systems (a high-efficiency particulate air [HEPA] filter is capable of trapping and retaining at least 99.97% of all mono-dispersed particles of 0.3 micrometers in diameter)
• Enclosure or isolation of processes producing asbestos dust
• Ventilation of the regulated area to move contaminated air away from the employees' breathing zone and toward a filtration or collection device equipped with a HEPA filter
• Feasible engineering and work practice controls to reduce exposure to the lowest possible levels, supplemented by respirators to reach the PEL or STEL or lower

To learn more about Construction Asbestos Safety visit our Construction Asbestos Safety Online Training web page.