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Results 1 - 5 of 5 for Biological
  1. ... or water which a person then consumes. A biological vector actually develops an infective organism in its ... through its saliva. A fly can be a biological vector, as in the transmission of leishmaniasis by ...
  2. Arsenic and Drinking Water (U.S. Geological Survey)  
    Arsenic/Learn More ... Arsenic ... Drinking Water/Images ... Drinking Water ... U.S. Geological Survey ... Arsenic is a naturally occurring element, but long-term exposure can ...
  3. ... for a period of 6 months or longer. Biological and genetic factors may combine with stress to ...
  4. ... is a potential agent for use as a biological weapon or bio-terrorism.
  5. Mold Image Library (Environmental Protection Agency)  
    Pollutants & Contaminants > Biological Contaminants > Mold & Mildew