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Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10] Urine testing is an immunoassay based test on the principle of competitive binding. Drugs which may be present in the urine specimen compete against their respective drug conjugate for binding sites on their specific antibody.
A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.
To help guard against mouth-alcohol contamination, certified breath-test operators and police officers are trained to observe a test subject carefully for at least 15–20 minutes before administering the breath test. [36] [37] Some instruments also feature built-in safeguards. The Intoxilyzer 5000 features a "slope" parameter.
First there were alcohol breathalyzers but a marijuana breathalyzer could be coming to law enforcement near you.
NJ legal weed: Find your nearest dispensary for recreational, medical marijuana If drivers test positive to 3 nanograms or more of THC — the cannabis component that gets people high — they ...
Does that product contain an illegal level of THC? This will help you find out.
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