Re: Absorption Feature 671nm?

hyperspectral@xxxxxxxxx wrote: 
I am in Texas analyzing data over the area.  I suspected it was a
polarization effect of the petro chemicals on the surface but could not
find a spectra to compare it o on water.

Here is another teaser for ya ... Where does coal tar have absorption
features between 400-2500nm.  It is the primary pollutant at one of the
superfund sites near New Orleans.

Dan

I really appreciate your help with this.  We are doing our best to keep
the folks out of potentially contaminated areas.


Coal tar is a witches brew of compounds. Its composition is variable, depending on the starting material of the manufacture and the details of processing.

Your efforts may be well-intentioned, but you are in over your head, so to speak.
.

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