Specifications include, but are not limited to: The purchase and installation of one Ultra High Liquid Chromatography (UHLC) with Autosampler (AS), Tandem Mass Spectrometer and Data System (MS/MS) and all appropriate software and accessories required to interface LC to MS and to computer. 1. The system must consist of a complete Ultra High Performance Liquid Chromatograph (UHPLC) with Autosampler, Tandem Mass Spectrometer, a Computer Data System, and all appropriate software and accessories required to interface LC to MS and to computer. 2. Contractor shall be responsible for system startup and onsite training of the TWQL personnel. 3. All of its components must be manufactured and warrantied by the single contractor. 4. This instrument is intended specifically for the analysis of Poly and Per-fluorinated Alkyl Substances (PFAS) in drinking water samples using EPA method 537. Contractor must provide a system that will meet or exceed the sensitivity, resolution and accuracy required by this method.