Glossary of Acronyms and Unusual Terms

ACGIH - American Conference of Governmental Industrial Hygienists, Inc., 1330 Kemper Meadow Dr., Ste 600, Cincinnati, OH 45240, Phone (513) 742-2020 Fax (513)742-3355 ACRS - Advisory Committee on Reactor Safety. 

AECB - Atomic Energy Control Board, the nuclear licensing authority in Canada. 

Aggregate Threshold Quantity - The total amount of a hazardous chemical contained in interconnected or nearby vessels that may be adversely affect an accident. 

AIChE - American Institute of Chemical Engineers, 345 East 47th Street, New York, NY 1(K)17, Phone (212) 705-7319. 

BFR - Binomial Failure Rate (model of common cause system interactions). 

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