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CWA/TIC Detection with AIRGARD® Plus

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CWA/TIC Detection with AIRGARD® Plus

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The devices often deployed for CWA detection rely on very sensitive methods capable of measuring down to the part per trillion concentration level with little difficulty. However, a major drawback with these technologies is that the discrimination is poor and chemically comparable materials are detected along with the CWA or TIC of interest, resulting in false alarms. Most common solvents, cleaners and waxes which contain volatile components with comparable molecular weights as some CWAs are one source for these false alarms. Other techniques have the ability to discriminate different molecules, but are very high priced and not ruggedized for HVAC environmental conditions. In addition, they are not capable of continuous sampling for real time measurements and thus do not serve the intended purpose of protecting a building or facility since this time delay becomes a major disadvantage.

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