Wax purchased from beekeeper supply houses loops through the customer base back to the supplier picking up lipid soluble chemicals on every pass.
Have a look at
at https://www.beesource.com/threads/dee-lusby.365427/- among other things, these articles
Does anyone have recent data on wax analysis?
If you find a recent paper, please share.
Whether, and how much foraging bees bring back nectar with chemicals, I don’t know.
Nectar is used to make wax, but I doubt chemicals get incorporated in that process. Wax can absorb lipid out of honey.
-- Siri apologizes 4 autocomplete errors...