• Worldwide, how many people die per year from Cholera ?
  
  
• When chlorine is used to disinfect water, byproducts can include ...
  
  
• Tucson's water will contain more/less byproducts, compared with many other regions.
  
  
• Which of the following may be carcinogens (cause cancer) ?
  
  
• Which of the following are single-celled microbes called protozoa ?
  
  
• Coliform bacteria is bad for my health (True?) ...

Southwest Environmental Health Sciences Center
University of Arizona College of Pharmacy, Room 244
PO Box 210207, Tucson, AZ, USA  85721-0207
swehsc-info@pharmacy.arizona.edu
520-626-5594
520-626-6944(FAX)