RE: dioxin and hcb in ferric chloride

[Jamie Harvie <Jamie.Harvie@WLSSD.Duluth.MN.US>]

Oops, ppb. 

		-----Original Message-----
		From:	Catalano, Dennis [mailto:catalad@wdni.com]
		Sent:	Wednesday, November 25, 1998 10:38 AM
		To:	Multiple recipients of list DIOXIN-L;
'Jamie.Harvie@wlssd.duluth.mn.us'
		Subject:	RE: dioxin and  hcb in ferric chloride

		What are the units for the 0.162 TEQ?  If someone has
money and the sample,
		our lab would be glad to try to analyze this stuff.  I
have never had the
		opportunity to analyze this type of material, but if it
is being added to
		vitamins, it might be something that we should
investigate.

		Dennis Catalano
		Weyerhaeuser Analytical Chemistry
		(253) 924-6242
		catalad@wdni.com


		> ----------
		> From: 	Jamie
Harvie[SMTP:Jamie.Harvie@wlssd.duluth.mn.us]
		> Reply To: 	Jamie.Harvie@wlssd.duluth.mn.us
		> Sent: 	Wednesday, November 25, 1998 6:28 AM
		> To: 	Multiple recipients of list DIOXIN-L
		> Subject: 	RE: dioxin and  hcb in ferric chloride
		> 
		> I have only seen a reference to a  German study
(Heindl and Hutzinger
		> 1986) that found 0.162 TEQ TCDD/F  in ferric. I have
not seen the study
		> to know what the derivation of the ferric was. In
talking to our US
		> manufacturers it seems the majority is from
reprocessed pickle liquour.
		> I did sample for HCB and found 41 ppb. Very
frightening if your
		> pre-natal vitamin exposure holds up. I will contiue to
pursue. None of
		> the folks I spoke to sampled for dioxin/f but I will
if I can't get any
		> info.\
		> 
		> 
		> 
		> 		-----Original Message-----
		> 		From:	Alex J. Sagady & Associates
		> [mailto:ajs@sagady.com]
		> 		Sent:	Tuesday, November 24, 1998 7:14
PM
		> 		To:	Multiple recipients of list
DIOXIN-L
		> 		Subject:	Re: dioxin and  hcb in
ferric chloride
		> 
		> 		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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