49 CFR Part 40 requires that a donor be allowed up to three hours after an initial failed attempt to produce a sufficient urine specimen. During this time, the donor may drink up to 40 ounces of fluid spread over the three hour period. For this reason, many collection sites have a cutoff time for accepting new donors for urine drug test collections. Shy bladder process.

Here at InOut Labs, we provide drug and alcohol and wellness testing services to businesses and individuals.

Get your test now at InOut Labs. You can come to our location, or one closer to you. Call us today: 847-657-7900.