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Global Calibration Gases, LLC is a premier supplier of calibration gases and custom specialty gas mixtures. The industries we serve include chemicals and pharmaceuticals, petrochemicals, natural gas, and petroleum refineries, medical diagnostics and research labs, and air quality monitoring. We specialize in multi-component hydrocarbon mixtures, low ppm and ppb volatile organic compound mixtures, and a complete line of EPA Protocol gases and NIST Traceable gas mixtures. Our products are your solutions.