The proficiency testing studies help improve quality and comply with regulations. Order the NSI PT Express™, our on-demand proficiency testing, when you have an immediate need for proficiency test results. Your PT report is available within 48 hours once you submit your results online.

Food Microbiology PT Express samples may take 7 to 10 business days to ship. If you need the samples sooner, please call NSI at 1-800-234-7837 to expedite your order.

A unique three-sample set contains S. enterica, L. monocytogenes, and E. coli O157:H7. Each vacuum-sealed glass vial contains a culture pellet lyophilized in Microgel-Flash™ matrix. Simply hydrate with supplied hydration fluid. The culture pellet dissolves almost instantly with minimum agitation and no incubation. Report present or absent for each organism of interest. Three different series available per study.