API Guidance Document
E-Flux’s technology was recognized in the 2017 API Document for Quantification of Vapor Phase-Related Natural Source Zone Depletion Processes. This important guide is focused on the quantification of NSZD through the measurement of CO₂ efflux and acknowledges the important role of carbon isotope analysis in this NSZD quantification.
“The use of ¹⁴C is arguably the best, most quantitative means for background correction, and it should be considered of utmost reliability.”
You can purchase the API Guidance Document here.