Problem 2
Draw the structure of \(1,2,7,8\)-TCDD. What is the full name for this dinxin?
Problem 4
Draw the structure of pentachlorophenol. What is its main use as a compound? What is the main dioxin congener that it could produce?
Problem 5
What does PCB stand for? Draw the structural diagram of the \(3,4^{\prime}, 5^{\prime}\)-trichloro \(\mathrm{PCB}\) molecule.
Problem 6
What were the main uses for PCBs? What is meant by an open use?
Problem 8
Other than the chlorophenols and PCBs, what are some of the other sources of dioxins and furans in the environment? What is currently the biggest anthropogenic source of dioxins?