> On August 15, 2015 at 5:23 PM Greg Fiorentino via Mercedes
> <mercedes@okiebenz.com> wrote:
> What about the deposits remaining at the bottom of the river?  Those may
> persist long after the solubles have flown away.

Don't you know the difference between good heavy metals and bad heavy metals?

Duck hunters' lead birdshot = bad
EPA's cadmium/lead/whatever = good. 


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