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Bentonite Contamination

  I just spoke with an engineer who told me that a 
  relatively new technique injects bentonite mixed 
  with activiated charcoal into industrial boilers 
  to absorb potential air pollutants in municipal 
  and other waste incinerators.
  The contaminated bentonite and charcoal is then 
  collected in the baghouse or other particle 
  collector used for air pollution control.
  Is it possible that this bentonite found its way 
  into the animal feed, carrying dioxin with it?
  This same engineer said he talked recently 
  with an (unnamed) company, and was surprised when he asked 
  about the hazardous waste disposal requirements 
  for the baghouse contents.   
  The company replied that there were no disposal 
  requirements --- they used it for pig feed.
  How are baghouse wastes tracked?
  Rebecca Leighton Katers
  Clean Water Action Council of N.E. Wisconsin
  2220 Deckner Avenue
  Green Bay, WI 54302
  Phone:  414-468-4243
  Fax:  414-468-1234
  E-mail:  cwac@execpc.com