National Environmental Balancing Bureau (NEBB)

NEBB has a regular journeyman certification program for filter testing and they are nationally recognized. They publish an excellent “How To” guide entitled, “Procedural Standards for Certified Testing of Cleanrooms”. This guide covers all aspects of testing and certifying clean rooms, biological safety cabinets and other laminar flow devices.

For more information on their program, contact Don Fedyk, NEBB Technical Director, at [e-mail].

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