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There are many tools available for Vapor Intrusion Assesment and Monitoring.  The matrix below shows how VaporSafe™ compares. Contact us  to learn how VaporSafe™ can benefit your Project .
 
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Vapor Intrusion Assessment and Monitoring Method Comparison Matrix
Ojectives Continuous Analyzer and Web Response Multiple 8hr or 24hr Canister Sampling Events  Multiple 5min or 15min Canister Sampling Events  Multiple 1wk to 2wk Cannister Sampling Events Multiple > 3 day Passive Sampling Events Building Pressure Cycyling Portable GC/MS Portable GC/PID Portable High Sensitivity PID Field Deployable GC/ECD Trace Atmospher Gas Analysis (TAGA) Unit High Volume Sampling Indicator, Tracer and Surrogate Testing
Acute Risk Prevention - - - - - - - - - - - -
Automated Response - - - - - - - - - - - -
Automated Web Reporting - - - - - - - - - - - -
Automated Alerting - - - - - - - - - - - -
Sample to Measurement Result in < 15 minutes - - - - - - -
Characterize Migration Pathway(s) in Vadose Zone
(Spatial/Temporal Variability)
-
Address Long Term Temporal Variability of Indoor Air Concentration - - - -
Address short term (e.g. 24 hours or less) Temporal Variability of Indoor Air Concetration - - - -
Locate Vapor Entry Point(s) - - -
Assess Mixing/Spatial Variability Within Building   - -
Locate Background Indoor Air Sources - - Supplemental
Indentify Correlations with Natural/Anthropogenic Parameters - - - - -
Notes Meets Key Objectives Requires More Time to Derive Result than Acute Exposure Duration of Concern; Time-Integrated Measurement Requires More Time to Derive Result than Acute Exposure Duration of Concern; Time-Integrated Measurement Requires More Time to Derive Result than Acute Exposure Duration of Concern; Time-Integrated Measurement Requires More Time to Derive Result than Acute Exposure Duration of Concern; Time-Integrated Measurement Need to be Careful of Preferential Pathways, Natural Pressure Dynamics, and Employ Chemical Monitoring Requires Expertise to Operate; Can be Unstable when Temperature Changes; Only a Single Point in Time/Space Measurement Not Typically Sufficiently Sensitive for Indoors; Unstable when Temperature Changes; Only a Single Point in Time/Space Measurement Not Typically Sufficiently Sensitive for Indoors; Unstable when Temperature Changes; Only a Single Point in Time/Space Measurement Need to Operate in Continuous Monitoring Mode to Meet Additional Objectives Requires Expertise to Operate; Only a Single point in Time/Space Measurement Need to be Careful of Preferential Pathways and Natural Pressure Dynamics Can be used to Augment other Options;Not Always Sufficient as Stand-Alone
*Modified after Walker et al. 2018



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