RECYCLING INFORMATION UPDATE: We have been advised by Zeigenbein Sanitation that due to the increase in recycling in the Waynesville City Limits, they will now be recycling on a weekly basis beginning September 1, 2016. The recycling days of Thursday and Friday will remain the same.
Some THC metabolites have a half-life of 20 hours, while others like THC-COOH have a half-life of 13 days, according to High Times. A 2014 study found that regular marijuana users have traces of marijuana in their urine for about two weeks, according to High Times.
Marijuana Drug Test Detection Times. Drug Test Detection Times: summary for different drugs and detection technologies. Detection Time for Marijuana in Urine: Urine tests detect non-psychoactive marijuana metabolites for days to weeks after use, long after impairment has passed.