Combat the use of additives and adulterants to mask controlled substances in urine samples with Thermo Scientific™ DRI™ Gravity-Detect™ Specimen Validity Test. Liquid and ready-to-use, these tests can be performed on a variety of general chemistry analyzers. The use of additives and adulterants to mask controlled substances in urine samples is a difficult and ongoing challenge to drugs of abuse screening. We offer the industry's most extensive menu of detection tests. As new adulterant trends sweep through the testing pool, rely on our fast-track product development team to deliver a timely, economical detection solution. The adulteration assays provide a complete and automated way to test for sample integrity and adulteration.