Thermo Fisher Scientific Inc., the world leader in serving science, announces the success of its liquid chromatography tandem mass spectrometry (LC-MS/MS) solution at the Kenneth L. Maddy Analytical Chemistry Laboratory. The Thermo Scientific Aria TLX-2 turbulent flow chromatography system coupled with the Thermo Scientific TSQ Vantage triple stage quadrupole mass spectrometer was selected to perform precise and sensitive detection of anabolic androgenic steroids (AAS) in urine and plasma samples from performance horses. Based in Davis, California, the state-of-the-art laboratory is the authorized equine drug-testing laboratory for California's six permanent race courses, nine seasonal fair venues and other performance events.