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PermalinkSubmitted: 3:17 pm on Jun-23-2015By: dutchseedsbank.com
THC AND IT'S BODY TRACE


Urine testing, or urinalysis, is the most common way of screening for marijuana use. In the United States, current and future employers will often ask you to undergo a urine test.

But how long will marijuana show up in your urine after you stop smoking? Unfortunately, the only accurate answer is: It depends.


OCCASIONAL USERS

Someone who smokes occasionally – or for the first time – will likely test positive for 1-3 days afterward, according to a review by the National Drug Court Institute (NDCI).

But by the end of 4 days, infrequent cannabis users should be safely below the 50 ng/mL threshold.

FREQUENT USERS

Studies suggest someone who smokes often can expect to test positive for around a week following last use. According to the NDCI, after 10 days, most frequent users should pass a urine test at the 50 ng/mL threshold.

However, there’s no guarantee that a heavy cannabis smoker will be free of THC metabolites after 10 days. Studies show it’s possible for some users to test positive for up to a month after last use.

In one extreme case, a person who reported using cannabis heavily for over 10 years managed to test positive (above 20 ng/mL limit) for up to 67 days after last use.

PASSING A URINE TEST

While there are a number of products being marketed as urine cleansers, there is probably good reason to be skeptical of their claims.

Drinking an excessive amount of liquid may be the most scientific solution, since it would naturally dilute anything found in your urine.

But drinking too much water could spoil the sample. Urine that is too diluted may be identified and rejected by the testing lab as possibly being tampered with. Still, this could buy some time for a retest, depending on the circumstances.