This would depend on if the tests were random or not.
You need to take your dog to the vet as soon as possible.
I'm afraid it depends on how often your intake is. If you've only ever tried it once it could disappear within a few days, but if you take it regularly it could leave traces in your body up to 3 months or more. Edit by Engl1sh: Perhaps since marijuana is illegal you should just avoid it all together.
visit your antinatal clinic or your doctor as soon as possible
No, take your hamster to the vet as soon as possible
There could be many possible causes, none of them good. IF you have this problem, it is imperative that you have a doctorinvestigate and diagnose this problem AS SOON AS POSSIBLE!
Any blood in the urine should be investigated by a Doctor as soon as possible.
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Induce vomiting as soon as possible, monitor closely and start an IV fluid line just in case.
Dilute it with water from a hose as soon as possible.
Cocaine is detectable in urine as soon as 4 hours after first usage
There are a few things that could cause blood stains in urine. Most of these causes could be the product of medical problems that need medical attention.