| 摘要 |
A self contained portable negative pressure control system enclosure for protection from airborne asbestos particles and the like from a work space includes an enclosure formed of portable rigid door frames having spring doors and a weighted transom closure within that communicate with the work space to define multiple non-sealed decontamination chambers. The enclosure is used with a room divider or in an access doorway to the work space which is maintained in a negative air pressure by exhaust blowers equipped with HEPA filters.
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