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September 17, 2018

There are several possible causes for mold in HVAC ducts. To survive, mold requires a moisture source and some type of food. We discuss how these exist inside of ducts.

November 13, 2017

"Hydro static pressure" is a term used for several different situations from water tanks to dams.  In this case we are discussing damage to buildings caused  by excessive water building up around foundations.  When a medium such as soil becomes soaked with water the me...

March 29, 2017

 We were asked to develop a pressure chamber (aquarium) for evaluating how fish react to fast pressure changes associated with hydroelectric turbine passage.  Some of the requirements of the project were:

1. Simulate the pressure excursion felt by fish as they appr...

February 15, 2017

It has been a busy year or so since our last update letter. We have worked on many varied and interesting claims.  I wanted to share some valuable lessons through a case study of this unusual claim.

Among other things, this case study shows:

1. How condensation can...

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September 17, 2018

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Roof Condensation Case Study

February 15, 2017

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