utred?
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https://www.healthline.com/health/how-long-does-weed-stay-in-your-system
https://tonic.vice.com/en_us/article/bj5ae8/how-long-can-weed-show-up-in-a-piss-test
https://www.wikiwand.com/en/Cannabis_drug_testing
https://cannabissupport.com.au/news...-2016/how-long-does-weed-stay-in-your-system/
According to Mayo Clinic Proceedings, weed is detectable in urine for the following amounts of time after last use:
Occasional users (up to three times a week): 3 days
Moderate users (four times a week): 5 to 7 days
Chronic users (daily): 10 to 15 days
Chronic heavy users (multiple times a day): more than 30 days
https://tonic.vice.com/en_us/article/bj5ae8/how-long-can-weed-show-up-in-a-piss-test
Cary found that most occasional cannabis consumers, or first-time users, retain detectable traces for only three to four days. Chronic users who have been smoking a few times a week have to refrain from their vape pens or glass pipes for 21 days, on average, to reach a point of pass-ability.
https://www.wikiwand.com/en/Cannabis_drug_testing
Under the typical 50 ng/mL cutoff for THC in the United States, an occasional or on-off user would be very unlikely to test positive beyond 3–4 days since the last use, and a chronic user would be unlikely to test positive much beyond 7 days. Using a more sensitive cutoff of 20 ng/mL (less common but still used by some labs), the most likely maximum times are 7 days and 21 days, respectively.[5] In extraordinary circumstances of extended marijuana use, detection times of more than 30 days are possible in some individuals at the 20 ng/mL cutoff.[6]
https://cannabissupport.com.au/news...-2016/how-long-does-weed-stay-in-your-system/
In some cases it’s been said metabolites of cannabis (THC COOH) can be detected in urine for up to 95 days among those people who are heavy users, but more commonly this type of testing shows use anywhere between 34-87 hours.
