A continuous gas monitoring system designed to detect and measure sub threshold limit value (TLV) concentrations of methyl bromide is now available from PureAire Monitoring Systems. Extremely sensitive and highly specific, the PureAire Air check Advantage Methyl Bromide Monitoring System is capable of low 0.5 parts-per-million (PPM) detection of this highly toxic chemical. Designed for use in fumigation chamber clearing and storage areas, it is ideal for providing worker protection at orchards, growers, international airports, and seaports where commodities are fumigated before shipping.