The miniaturized gas chromatography module is suitable for fast analysis in online applications such as utility grids. The surface-mounted ANSI/ISA 76.00.02 2002 online GC module, sometimes referred to as the "NESSI"-compatible GC, delivers separations in seconds. This technology platform improves lifetime and reduces the costs of GC applications in the energy industry. Miniaturized, fast GC instruments are suited for industrial processing, mining and environmental, security and safety, laboratories and quality control.