Given enough “set time” odor permeates everything. The canines ability to separate odors is another factor. The K9 will
Smell the odor in question but as far as an indication in a deep find…they have to be willing to accept they aren’t at source. I don’t think ozone would have any effect as the dog would separate the odors anyway. Maybe make the odor seem “deeper” if you will, but not conceal it.
Open air…no chance.
