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CWA/TIC Detection

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CWA/TIC Detection

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The devices typically deployed for CWA detection rely on very sensitive methods capable of measuring down to the part per billion 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 positive 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.

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