Last week, we presented a problem with regard to “peek-a-boo” SCVs, where data results are inconsistent at best. Because of this variability in the ‘show’ers, the standard test may not capture the event appropriately. As prefaced in last week’s post, your data shows periodic flow and no buildup pressure. The…

Easy to know where this title came from . . . if you don’t know, I won’t be telling you online.  This title actually came from one of our clients and was used to describe their issues with testing surface casing vent flows.  Some were definite ‘flows’, with gases and/or…

The carbon isotope signature of methane is often presented as the ‘silver bullet’ capable of identifying whether soil gas is from a deeper thermogenic source or produced by microbial processes. The stakes are high because failing to identify a gas migration (GM) issue can have serious environmental consequences…