In a message dated 11/6/04 5:39:46 PM Central Standard Time, 
[email protected] writes:

> MA, what  kind of generator are you using, and what readings  do you
>   get from the Hanna?
> 
>   And what's O/C? Golly, it sure is hard to keep up with the acronyms:)

Hi Mike.  I have a Colloid Master from Synergenesis.  My Hanna Tester reads 
anywhere from 16 to 24 and I halve that for my ppm level (I know there is 
controversy regarding doing that).  O/C?  Obsessive Compulsive!!  :-D       MA