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The storage method you use will determine how long urine will stay fresh. Samples should be stored in a refrigerator, or vacuum sealed. As long as the sample remains in its vacuum seal it may be kept at room temperature away from direct sunlight for days at a time. It will be good for up to six months, in the vacuum seal, if stored in the refrigerator.

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9y ago
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15y ago

For 24-48 hours if refrigerated within 1 hour.

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12y ago

Around 24-48 hours (if refrigerated) but if not refigerated then im guessing a couple of hours.

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15y ago

How long will urine keep

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Q: How long does urine stay fresh for a drug test?
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