A Permanent Total Enclosure (PTE) is an enclosure that completely surrounds a source such that all volatile organic compound (VOC) emissions are contained and directed to a control device. This fact sheet explains the technology.
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Air Pollution Control Technology Fact Sheet for Permanent Total Enclosures (PDF)(3 pp, 24 K,
2003,
EPA-452/F-03-033)
EPA-CICA Fact Sheet