OI Analytical continues to provide complete GC-based solutions for numerous analytical applications. We offer preconfigured systems for analysis of Volatile Petroleum Hydrocarbons (VPH) in water, soil, and solids based on the Massachusetts VPH and similar methods. Customize your system for specific applications with our expanding line of GC detectors, sample introduction instruments, and autosampler. Put our applications expertise and instrument know-how to work for you to help solve even the most challenging analytical problem.