Without incriminating yourself, how certain are you it's the chronic you can smell? The internet says other things can smell similar. A quick google suggests that bat guano, certain sausages, hops, some flowers, some beers and combinations of decomposing organic matter can all smell like Jay & Silent Bob's breakfast warm up. Got any bats in there?
Just look at these two (sorry for Daily Fail link) - http://www.dailymail.co.uk/news/article-1092230/How-garden-moss-smells-like-cannabis-attracted-police-raid-pensioners--local-drug-gang.html