Isotope-Ratio Mass Spectrometer: continuous flow ThermoFinnigan Delta Plus XL equipped with Conflo III, Gas Bench II and Elemental Analyzer (Costech Analytical, ECS 4010, zero blank autosampler)
IRMS ion source  
Isotope-Ratio Mass Spectrometer: VG-SIRA II Dual Inlet
Gas Chromatograph (SRI, 8610A)
Cavity Ring-Down Spectrometer: Picarro G2201-i analyzer for real time measurements of isotopic CO2 and CH4, equipped with 16-port manifold  
UV/VIS Spectrophotometer (Perkin Elmer, Lambda 5)