Background Topic:  Each group was asked to create a report on a background topic.  They were asked to write about 500 words and provide 7-10 links to websites of relevance.  The topics were as follows

What do we know about . . .

Group 1:  How organisms convert toxic forms of arsenic into non-toxic forms.

Group 2:  How much arsenic we eat in our food in the US?

Group 3:  Why (and how) arsenic is toxic to humans.

Group 4:  Arsenic in water in New England: and how to remove arsenic from contaminated drinking water.

Group 5:  The extent to which microorganisms can methylate arsenic.

Group 6:  CCA pressure-treated wood as a source of arsenic contamination in the US.

Group 7:  The use of arsenic-containing feed supplements for poultry and where does the arsenic go?

Group 8:  The concentration of arsenic in the human body and how many elements are present at higher concentrations.