A buddy of mine... Wolf.... was a machinist and had a job offering for a really decent job at a superb salary.... one catch.... you had to pass the initial drug screening.... He admitted to the person hiring him he smoked weed and there was no way he would pass. They agreed to let him have 30 days grace period to let the THC clear out of his system, take the test, pass, get hired and never have to test again.
Wolf loved smoking weed too much... I think he made it all of one week....
This is Jerry "Wolf" Arnold..... he passed away from cancer several years back.
https://www.youtube.com/watch?v=5DmLXESjGWs His test was scheduled for a few days after one of the Beano Bluegrass festivals..... and needless to say.... he failed to get the job.