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Question #26528 posted on 07/12/2006 3:01 a.m.

Dear 100 Hour Board,

I'm teaching 8th grade next year, and need to do a unit on Ecosystems. I found an experiment where you test the pHs of water from different local sources/locations to see if they are polluted. Are there any factories near a water source somewhere around here, or some water source in the area that is really polluted and thus have an abnormally high/low pH?

- Aardvark

A: Dear Aardvark,

Utah Lake, overflowing with polychlorinated biphenyls and with the now-derelict Geneva Steel still huddled on its shores, seems like a good place to start. If you can make it anywhere near the north end of the Jordan River, it's even better, having carried slaughterhouse, mineral mill, packing plant, and laundry runoff to the Great Salt Lake since the dawn of time (or about the mid nineteenth century.)

-A. A. Melyngoch