Keeping Pace® with Analytical Services

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Get Ready for A Stack Test – The Planning Phase

Stack testing, also called performance testing or emissions performance testing, is a procedure for sampling various types of emission sources at a facility. It is a critical tool to determine compliance with U.S. Clean Air Act regulations, state regulations, and air permits. It also provides real-world data for emission inventories and air quality modeling.

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What Can Impact Vapor Intrusion Investigations?

An Interview with Chris Johnson, Product Manager - Air


Did you know that testing has shown certain tubing and other sampling media can potentially emit or adsorb VOCs which may impact the results of vapor intrusion (VI) testing? This becomes important when sub-ppbv reporting limits are required for soil gas sampling to risk-based screening levels. To meet the risk assessment goals of soil gas samples, Pace® is often required to report compounds of concern down to the part per billion ranges or lower.

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