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RE: Alternatives to Ethylene Glycol



    
    Jim Demay: you explain the desire to eliminate ethylene glycol due 
    to toxicity.  What is the reason to eliminate Propylene glycol?  
    Also, what volume of fluid is used in the system.
    
    I understood the primary problem with proplyene glycol to be a 
    high BOD.
    
    Ric
    illig.richard@a1.dep.state.pa.us