Frequently Asked Questions Q.  What is SAAS Express and how does it work? Q.  What if my agency isn’t a member of a state association? Q.  If I use DrugCheck onsite products am I obligated to use the laboratory services? Q.  What is DrugCheck® and how does it work? Q.  How do DrugCheck® integrated cups compare to other cups? Q.  Are DrugCheck onsite products as accurate as GC/MS? Q.  Can our organization use DrugCheck products for pre-employment screenings? Q.  Can our organization use DrugCheck products to do pre-employment screenings for local businesses? Q.  How can my agency benefit from using DrugCheck® onsite products? Q.  Are there additional discounts for programs ordering large quantities? Q.  What are Adulterant Screens and are they available in DrugCheck® Cups or Dips? Resources How to Use and Read DrugCheck OnSite Products NEW Independent Lab Study Verifying Accuracy of DrugCheck Test Cups Independent study regarding the accuracy of DrugCheck's test cups. Performed February 2007. Journal of Analytical Toxicology Article Evaluation of the DrugCheck® 9 On-Site Immunoassay Test Cup According to a Standard Method Validation Protocol DrugCheck Cutoff Levels and Detection Times Helpful, easy to read chart outlining DrugCheck onsite products' cutoff levels and detection times for drugs in the system. Drug Check Schedule of Cross Reativity of Drugs Concentrations of drug-related compounds showing positive response and their cut-off levels can be found in the DrugCheck product insert. The Potential listings indicate that the drugs MAY cross react and show positive on the onsite tests.