u/idropbuckets00_

So basically I am going to jobcorp(Washington dc) in about a week and a half and I am a marijuana user. I know they drug test you and I haven’t smoked since yesterday but Ik the weed is still goin to be in my system
my question is what is the exact test they use? Because I really don’t want to mess up this opportunity for myself just because I have a habit of smoking a few