- 2 ppm is a “best guess” on a safe limit. It’s not like 1 ppm is benign and 3ppm means you’re dead
- 2ppm is an incredibly small quantity of benzene. 3x a very small quantity is cause for concern (why is it there), but not much of a health hazard
- your roasted coffee has a ton of poly aromatic hydrocarbons in it, some of which are carcinogenic and nobody worries about their daily cup of coffee
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4933506/
- 2 ppm is a “best guess” on a safe limit. It’s not like 1 ppm is benign and 3ppm means you’re dead
- 2ppm is an incredibly small quantity of benzene. 3x a very small quantity is cause for concern (why is it there), but not much of a health hazard
- your roasted coffee has a ton of poly aromatic hydrocarbons in it, some of which are carcinogenic and nobody worries about their daily cup of coffee
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4933506/