1. Repeat the procedure of Exercise E10.13, but this time make a chart using CES Level 2 on which the index for the static barrier can be plotted—you will need the Advanced facility to make the...

1. Repeat the procedure of Exercise E10.13, but this time make a chart using CES Level 2 on which the index for the static barrier

can be plotted—you will need the Advanced facility to make the product H_mρ. List what you find to be the best candidates. Then, as before, dump in Level 3 data and explore what you find.

2. Distinguish pollution control and prevention (PC and P) from design for the environment (DFE). When would you use the first? When the second?