Re: dioxin and hcb in ferric chloride

["Alex J. Sagady & Associates" <ajs@sagady.com>]

At 06:54 PM 11/24/1998 -0500, you wrote:
>The ferric
>>manufacturers purchase the majority of their ferric from steel mill that
>>produce the product after cleaning the steel with HCL. My guess is a
>>contaminated HCL stream purchased by the steel mills. Any data on
>>contaminated HCL ?? Sources of the HCL (pesticide manufacturing???) . 
>>
>I don't know.  But, ferric cl has other sources, one of which is as a
byproduct of titanium dioxide manufacture.  This has all manner of stuff in
it, but mostly inorganic I'd assumed.


I was told once by a processor of pickle liquor in Michigan from this 
type of process that precipitated ferric chloride (they
use refridgeration of pickle liquor to get it to precipitate 
out of solution) is not only used as a feedstock for 
magnetic media manufacture but also as a feedstock for
human vitamin/mineral supplements as ferric chloride 
addition.   This means it might also end up as ferric chloride
supplements typically taken by pregnant women as 
a pre-natal supplement.

Is there firm information on TCDD/F TEQ equivalent content of 
pickle liquor and ferric chloride derived from this source??

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