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Expray is a unique
To use: Swab inside of cheeks and hold under the tongue like a thermometer
Using our EfG/EtS urine alcohol testing laboratory service will increase the accuracy and detection time greatly and is a great alternative to the alcohol urine test
Sodium Nitrate
Chain of custody form & stickers
Urine Laboratory Confirmation Test - Buprenorphine (BUP) (LC/MS) Urine Dip Cards Expray is a uniqueEvery drug testing professional knows that any preliminary positive urine drug screen must be confirmed by a certified laboratory. A GC MS or LC MS confirmation for rapid drug tests is considered to be the "gold standard" in the urine substance abuse testing industry and is nearly 100% accurate. It is our recommendation that you follow these same procedures and send the rapid drug test with preliminary positive result to our laboratory for a full