Well, I am intrigued enough that I sent a message on to one of the companies (KDF) requesting more details on the analysis and toxicity of the effluent. I will send the answer on to the group when and if I get it. Lee Harper Media, PA USA --------------- See http://www.aka.org/AKA/subkillietalk.html to unsubscribe Join the AKA at http://www.aka.org/AKA/Applic.htm