Annual cannabis consumption by wastewater testing: Canada, 2018 (tonnes of dry flower / leaf equivalent)
|Tonnes per year – Scenario A||Grams per day1 – Scenario A||Tonnes per year – Scenario B||Grams per day 1 – Scenario B|
Tetrahydrocannabinol (THC) excretion rate of 0.5% (scenario A), and 2% (scenario B).
Wastewater-based Epidemiology (5280).
Table note 1
Grams per day are defined as total estimated cannabis consumption (grams) / number of cannabis users identified in the National Cannabis Survey (4.55 million) / 365 days in a year.
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