Smoking cessation was either biochemically validated or self-reported
From 1898s Etiquette for Americans : The modification of old-fashioned rules in this regard has made the lines faint, it is true, and there is no book on etiquette that does not reprehend as unbecoming a gentleman smoking in drawing-rooms, boudoirs, dining-rooms, restaurants, where now men not only are allowed, and invited, to smoke, but where highly respectable women have been known to join them
Well, look, I just called it Ga Ga Ga, so maybe thats what it should be
But for odors and VOCs, CADR is almost irrelevant
In FY25, DOE registered $2.25 billion in procurement value, only $458 million of which was LL 174-eligible