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Nature_and_Environment.99

The Human Habitat

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{Nature_and_Environment.99.11}: James Files {riverrat} Sat, 05 Dec 2009 18:11:14 CST (31 lines)

I am not sure what it is that you are questioning.  I can tell you
that if you challenge something I say, I will try just as hard as you
to make sure that it is right, or wrong, and tell you the truth about
it.  You and I are backing the same horse.  The only difference we
might have is how we set our priorities and that would be a
discussion, not an argument, from my standpoint.  If you want to
tighten environmental standards and reduce industrial emissions you
will get nothing but support from this quarter.

If you need, I can provide a good bit of information as to the
increases in detection limits.  Generally speaking (I may be off a few
years on some of this), in the forties, substances like bisphenol were
almost impossible to analyze for unless present in concentrations of
more excess of 1%.  With the advent of gas chromatography in the 50's
the detection limits went down to about a tenth of a percent.  By the
late seventies capillary GC was becoming common pushing the detection
of some substances down to ppms.

Metal detection lagged, a bit, and still is harder to detect than
volatile organics.

My statement "pollution, per capita" is not something that I have any
data on, but I do know of rivers dying in the 50's and 60's, not to
mention things like the Cuyahoga? near Cleveland actually catching fire.

Feel free to read "Silent Spring" or follow the recovery of the Brown
Pelican, Bald Eagle or the California Condor to see that we are doing
better in general.  That doesn't mean that we need to back off on the
effort.  Especially since the effect of global warming may end up
having more of an impact on those childrens lives than any of the crap
found in their cord blood.

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