Virginia Search and Rescue Dog Association

Term	Definition
Blind	Glossaries: K9 SAR Glossary Blind : A training exercise is considered Blind if the person person searching does not know the location of odor(s), and/or if any are prescent, BUT the accompanying Instructor/Evaluator DOES know.

Chimney
Chimney Effect: Warm air rises from the source, cools, then drops a distance away from the source.
Change of Behavior
Change of Behavior (COB): A characteristic pattern of behaviors, as interpreted by the handler, that occurs when the dog detects a trained odor.

Virginia Search and Rescue Dog Assocation