Urine THC testing will return a positive result if the donor has used THC sometime recently, but not necessarily that they’re inebriated right now, whereas BAC tests can determine if someone is intoxicated at the time of the test. Is there a reason we don’t have “you are high right now” tests instead of “you smoked 2 weeks ago” tests?
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Blood tests require the blood to be taken to a lab an analyzed for thc metabolites.
The cop’s not gonna be like, “hold out your arm, gotta draw some blood. Be cool and chill here 1-3 days to get the lab results back.”
There are. Get arrested and have them think your high. Might take 6 months to get the results but you can get an owi/DUI from pot
The reason there are not tests to determine if someone is currently high is because THC remains in your system at detectable levels for a long period of time after use. Additionally, due to the effects of tolerance, a first time user requires far far less than a regular user, so much so that the regular user will have higher levels of THC while sober than a infrequent user will have while high off their gourd. This is because, unlike alcohol (and most other drugs), THC is fat soluble. This means it is absorbed into the fat cells, and slowly seeps back into the bloodstream for a prolonged period of time after consumption. This seepage from fat cells is why the regular user will have higher levels while sober than the infrequent user will have while high.
TL/DR: There is no known biomarker that tells us when someone is currently high.
THC stays in your body’s system for days after you smoke, so a test like that wouldn’t really do much anyway. It wouldn’t provide information on the current state of “high”.
It stays in your body for so long, like days or weeks long. I’m a daily user so I’d have to stop for over a month before all the THC left my body. That’s why the tests aren’t considered accurate and so many people disagree with them. Someone could test positive for THC even if they consumed it a week ago. And most highs only last a few hours. You also can’t go off of observable external signals, like stumbling around or slow speech, because some people are just like that normally. How do you know if they’re high or just have a learning disability? Is this person acting shifty because they have weed paranoia, or do they have an anxiety disorder? There’s really no way of knowing unless you have access to medical records/history. And in my opinion, it shouldn’t matter what someone does in their free time as long as it isn’t impacting their work. Lots of people go home after work and drink themselves into a coma only to repeat the process the next day, but we don’t test alcoholics before hiring them. Partially because you really can’t test for that, but also we tend to view alcohol as a more socially-acceptable drug. In some circles, not drinking can actually exclude you from certain social activities. It’s just crazy to me how we draw lines with this stuff.
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It’s political. The plant shouldn’t be illegal in the first place, but it is, and there’s still a lot of misinformation about it. The police can initiatemore DUI stops this way, and a DUI stop gives them a lot more leeway in what they get away with on the side of the road.
There is and several states have Law Enforcement Phlebotomy programs where police officers draw your blood to test you.
There is a blood test for THC concentration.
It’s expensive. So you better believe if it’s being done to you, you fucked up bad.
They can draw blood and run it through a GC-MS to know exactly the chemical make up, ppb in your blood stream.
Should you ever be pulled over for impaired driving while intoxicated on Marijuana, that is what will happen.
You will be given a field sobriety test, they will have probable cause go search your vehicle in most states. If you are arrested you will be given a blood test and that sample will be tested for ppb.
Piss tests for THC have a 20 nanogram cut off.
They aren’t actually testing for levels, it just goes hot when THC is detected. Literally second hand smoke inhalation can set those tests off. You can also easily dilute and manipulate those tests by just drinking water (and no. They can’t legally make you produce another sample, being hydrated is legal)
Quite simply- there is no equivalent of BAC or breathalyzer for THC like there is for alcohol. All we can test for is if you have had marijuana, not your level of intoxication.
Mostly law enforcement is forced to rely on roadside sobriety tests to look for significant impairment.
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