Grow your own weed.
It is the ONLY way to know for 100% Certainty that there are no chemicals or pesticides.
In Canada they are allowed to use over 96 approved chemicals or pesticides on their Legal weed.
You want to smoke chemicals and pesticides ?
List of approved Chemicals on Legal Canadian Weed..... https://www.canada.ca/en/public-health/services/publications/drugs-health-products/cannabis-testing-pesticide-list-limits.html
2.0 Limits under development
In the table above, limits that are identified with an asterisk (*) are still being developed by Health Canada and will be added as they become available. Licence holders will be notified when these limits are finalized, at which point these limits will become part of the Mandatory cannabis testing for pesticide active ingredients - Requirements.
You pay a lot of extra money for organic fruits and vegetables.... but you can grow your own for Free..... keep a close eye out for bugs and critters. There are natural ways to get rid of pests that eat your plants. Don’t smoke chemicals or pesticides. They will destroy your lungs.
I am going to be hugely unpopular here now.... but many people will die if they smoke chemicals.
When a Company is trying to grow 1 Million square feet of Cannabis they need to use tons of chemicals. If they get a few bugs or mould it could easily destroy a crop.... the stock would crash and the stock holders and investors, banks and governments would lose Billions .... so they need to use tons and tons of pesticides .... better to just grow your own 4 plants and watch for bugs or mould.