Specifications include, but are not limited to: • Gas Chromatograph with dual simultaneous injection capabilities • Triple Quadrupole Mass Spectrometer with EI source • Large capacity (>130 sample) autosampler • All necessary supplies and accessories for installation and start-up, including hardware and software for the computer, GC, MS, and autosampler. • Installation and training for all instrument parts • Most current NIST MS library with 350,000 EI spectra for over 300,000 compounds and GC methods/Retention indices library with 139,000 compounds • Include one split/split less inlet with the capability of expanding to a second inlet. • Appropriate UPS to protect from power fluctuations. • GC must have column backflush capability and include all necessary parts for operation. • CPU with 2 monitors • Instrument should be compatible with hydrogen as a carrier gas to prevent disruptions due to helium shortages. • The MS EI source must be optimized for hydrogen as a carrier gas and be programmable to 350 degrees C. • Quadrupoles must be operational up to at least 200 degrees C.