Thermo TSQ Vantage GC-MS/MS (GC-triple quadrupole MS) Purchased 2010 with funds from NSF (IOS-0923960) Thermo QExactive (UHPLC-hybrid quadrupole-Orbitrap MS & MS/MS) Purchased 2012 with funds from NSF (IOS-1238812) Thermo TSQ Quantum Access LC-MS/MS (LC-triple quadrupole MS) Purchased 2008 with funds from NSF (MCB-0725149) Waters GCT MS (GC-TOF MS), and Gerstel dual rail autosampler/derivatization robot Purchased 2008 with Hegeman lab start-up funds Agilent 5973 EI/CI GC MS (GC-quadrupole MS) Purchased in 2005 with funds from the Gordon and Margaret Bailey Endowment for Environmental Horticulture Waters Acquity UPLC-MS (UHPLC-quadrupole MS) Purchased 2008 with Hegeman lab start-up funds