Recent content by jpenton

Thanks Dleg, I knew it had to be something simple I was overlooking.

I'm currently working through problems in the PPI Enviro Eng Solved Problems 2nd ed. Can anyone explain to me how they come up with the relative ratings for the 4 sites in the solution on page 118 (problem 6.1)? I feel this this something very simple I'm overlooking. Any help will be...