The National Environmental Balancing Bureau (NEBB) has announced its schedule of technical seminars to be offered during spring and summer 2005.

A Retro-Commissioning Seminar will be held February 10-12 in Orlando, FL. Retro-Commissioning is the process of discovering and correcting problems in existing, under-performing building systems.

In addition, the following seminars are being offered at NEBB's Training and Educational Center in Tempe, AZ:

• TAB Supervisor Review, Feb. 18 - 20
• Cleanroom Technician Training, March 14 — 18
• Building Systems Commissioning, March 30 — April 2
• Sound & Vibration, April 4 — 7
• TAB Technician Training, April 18 - 22
• TAB Supervisor Review, Aug. 12-14

For more information, visit www.nebb.org or contact Margaret Andrews at 301/977-3698.