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It can't. To be valid urination occurs at the testing facility so that it can't be faked or someone else's substituted.
Wiki User
∙ 16y ago
Wiki User
∙ 15y agodepending on the drug
but its all around 2 weeks
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How long does urine stay good for testing?
Urine, when stored in an air tight container, free from contamination and help under constant specified temperature can be used for drug testing over a lengthy time period. Frozen urine can be kept indefinitely for testing.
Why is drug testing on humans good?
Human drug testing is good because it allows scientists to see the effects of the drugs how to use them and how not to use them. There isn't really a big risk in human drug testing, how many people do u know how have died of human drug testing ??
Can percocet show up on a urine test as codeine or morphine?
Yes, it will show up on a drug screen even if you are taking methadone.
How do you keep urine warm for test?
just pee in cup let temp go to 98 and stablize then pour out bad urine and put good urine in cup temp won't drop fast your good to go
How do you detect if your daughter do drugs?
Depends, if you are testing Weed a good way is to do the urine test and test their urine for THC, be aware that THC leaves the body in around 2-5 days.
How long are urine samples good for testing?
If properly sealed and stored, urine samples are good for testing up to 24 hours after the sample given. The urine sample should be in a sterile container within a sealed plastic bag and stored in a refrigerator.
How long is urine good for a drug test?
one day.
How long is a urine sample good for if frozen?
It's not good anymore for testing once cold, it has to be fresh warm urine for the test to work properly.
How long can a urine sample be held for testing before it is no good?
2 weeks
Is peppermint oil good for drug testing?
It is excellent for the drug test. Not so much for the person being tested.
How long can a urine sample stay good before being analized for a drug screening?
about two months...
When is a urine sample no good to a lab?
Depends on what you are testing for but usually 24 hours. LMG, BSMT ASCP
