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Depends on the definition of use. Also on the method of detection.

On a MedTox drug screening test the detectable level of THC for a preliminary positive result is 50 ng/mL. This is the recommended level by the FDA. *All preliminary results must be confirmed by GC/MS (mass-spec) before anything is admissible in court or may be used to defer employment.

If you are tested with a GC/MS any amount greater than 15 ng/mL will be seen as a positive test and can be used as evidence against you.

A 50 ng/mL level can be detected 1-7 days after a single use and up to 30 days in chronic users. The rate of elimination is also affected by a person's body chemistry and composition.

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13y ago
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6mo ago

Marijuana can typically be detected in urine for up to 3-30 days, depending on the frequency of use and individual metabolism. In blood, it can be detected for about 1-7 days. However, it can be detected in hair follicles for up to 90 days.

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Q: How long does marijuana stay in system if your not a frequent user?
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How long before marijuana leaves your system?

Marijuana can stay in your system for up to 30 days, but this can vary depending on factors like frequency of use, metabolism, and individual body characteristics. Detection methods such as urine, blood, or hair tests can influence how long traces of marijuana are detectable.


How long does marijuana stay in your system if your not a regular user?

Marijuana can typically be detected in urine for up to 30 days in infrequent users. However, it can stay in the system for a shorter period in blood or saliva, usually up to 1-2 days. Factors like metabolism, frequency of use, and hydration levels can affect detection times.


How long does marijuana stay in your system if i smoke everyday for one month?

Marijuana can stay in your system for up to 30 days after chronic use. However, the exact duration can vary based on factors like metabolism, frequency of use, and body composition. Drinking water, exercising, and maintaining a healthy diet may help clear THC from your system faster.


How long can marijuana stay in your system for a swab test?

Marijuana can typically be detected in a saliva swab test for up to 72 hours after use. However, individual factors such as metabolism and frequency of use can impact detection times.


How long does marijuana stay in your system if only smoked twice a month?

The detection window for marijuana in your system can vary based on several factors - body composition, metabolism, etc. Generally, for occasional users who smoke twice a month, marijuana can be detected in urine for up to 10 days after use, and in blood for up to 2-3 days. However, it can stay detectable in hair follicles for up to 90 days.