The open source log-analysis stack now has machine learning components for more sophisticated analytics, albeit through a commercial add-on. Topics Spotlight: New Thinking about Cloud Computing; ...

The most common pore size used in stack sampling is 0.4µm. Smaller pore sizes (0.2µm and even 0.1µm) are sometimes used. In This Issue July 1, 2017 Full issue . History.

Figure 1. Refining and petrochemical operations experience process and stack sampling issues. A culture locked into traditional techniques and concepts that led to successful outcomes in the past can ...