for life
Any criminal arrest will ALWAYS remain on your record.
If you committed the offense after your 18th birthday it will remain a permanent part of your criminal history record.
forever
it depends on the state, but most misdemeanors can be expunged from your record three years after the sentence is carried out. you will have to go back to court to have this done.
Warrants never expire. They exist until canceled by the judge.
An week from now...
3 YEARS
The traces of Marijuana remain until the hair falls out or you cut it off.
If it occurred after you turned adult, it will remain a permanent part of your criminal history record.
a long time ovr ten years
Marijuana takes about 2 to 6 weeks (or a month, on average) to completely leave your system.
The history of your criminal offenses will always remain on your record unless it occurred when you were a juvenile in which case it will be sealed after you are 18.