Origin of SEVAG?

[wmelchior at ntet.nctr.fda.gov]

In article <93063.204731TGV at psuvm.psu.edu>, TGV at psuvm.psu.edu writes:
> Why is chloroform:isoamyl alchohol 24:1 (commonly used in nucleic acid
> extraction) referred to as "SEVAG"?  Does anyone know or remember, or
> is the origin of this designation lost to time?

I didn't realize you'd cross-posted.  See the answer in bionet.general.