PPRuNe Forums - View Single Post - Canada and Cannabis
View Single Post
Old 7th Jun 2019, 14:32
  #17 (permalink)  
krismiler
 
Join Date: Jul 2010
Location: Asia
Posts: 1,537
Received 51 Likes on 32 Posts
4 weeks is about the longest you will still test positive for after use, however running a full battery of tests on a heavy user can show usage going back even further.
krismiler is offline