1. What are PCBs? What are the sources?
What are the uses?
2. Where are the high concentrations of
PCBs found in the Ramford River? Are
there changes in concentrations with time?
3. Is there evidence to support a
threat to human health from PCBs?
4. Is there evidence to support a
threat to wildlife (animal and plant) from
PCB’s?
5. What are the primary routes of
exposure (i.e. in utero, breast milk,
respiration, ingestion) to humans and wild
life?
6. How much exposure will result in
harm to humans and wildlife?
A. Preparing written answers to the
guiding questions listed above;
B. One team member will synthesize the
information into the three minute argument
that will support your consulting company’s
position in the debate (emphasis on
questions 3-6);
C. One team member will synthesize the
information into the two minute rebuttal
that will support your consulting company’s
position in the debate.
Laboratory
Investigation Team -
