Well, for my two cents, the only testing for moisture I'm 
          involved with is Bellcore GR-63 High/Lo Humidity, High/Lo 
          Temp Tests.  But, this involves a functional assembly and 
          has to do with Telecommunications equipment.
          
          Because we do this humidity testing, I have asked around 
          about humidity testing results of ANY kind for bare pc 
          boards.  I have not received an answer from anyone.
          
          At a former company where I worked, we used a nylon drive 
          shaft in a piece of equipment.  Everything was fine until we 
          sold to people in Florida.  
          
          Massive failures.
          
          Reason:   The nylon absorbed water like a sponge in the high 
                    humidity of Florida.
          
          Solution: Bake the shafts before assembly.
          
          I have never forgotten this lesson, but have yet to see any 
          kind of humidity testing for pcbs.
          
          Moisture "pick-up" I guess you'd call it.
          
          Doug McKean
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