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LEFARODICLAS
10-16-2013, 06:28 PM
Hello all, I have an upcoming drug test this Monday for a new job and I'm not really sure if I will pass. I don't smoke very often maybe 1 gram of reggie or dro in one day but only about twice a month. I last smoked on September 24th and have been completely sober since. I am 21, 6'1 and about 330lbs. I recently took a home drug test in which the cut off level is 50ng it came up negative rather quickly. But I have read that most pre employment test cut off at 15ng. So is it safe to say I'd pass?

Burnt Toast
10-16-2013, 06:53 PM
I recently took a home drug test in which the cut off level is 50ng it came up negative rather quickly. But I have read that most pre employment test cut off at 15ng. Only the confirmation GC/MS test has a 15 ng cutoff threshold. An initial Immunoassay screen is performed first and most I/A's have a 50 ng threshold - the same as the home assays.

But dont let the differing cutoffs worry you. Even though their cutoffs numerically differ, a 50 ng assay screen is functionally eqiuivalent to the 15 ng GC/MS. For more info, do an Advanced Search with the terms "functionally equivalent metabolites".

If your home tests are consistently negative with the first urination of the day (regardless of line intensity), youre good to go.

LEFARODICLAS
10-16-2013, 09:52 PM
I have passed twice but not with the first urination of the day, how important is it for it to be the first urination of the day?

Burnt Toast
10-16-2013, 10:33 PM
I have passed twice but not with the first urination of the day, how important is it for it to be the first urination of the day? Alot more important than most people realize. Read post #4 of this thread: http://boards.cannabis.com/drug-testing/207712-general-inquiries-regarding-testing.html