From: Judy Seigel (jseigel@panix.com)
Date: 05/02/00-08:17:34 PM Z
Also thanks...
Now, isn't all that info worth a week of flames? Only you left just one
thing out, Garimo -- the chrome that rubs off your auto bumper when you
hit a deer in the road...
I take the liberty of including the entire message below, which I
would normally of course NOT do, because some folks may have carelessly
not read it and will be pleading, *demanding* to be let in on it.
Judy
On Tue, 2 May 2000, garimo wrote:
> After rereading the article on photochemiclas and septic tanks in the
> March/April issue of PHOTO Techniques(USA), I spent almost two hours
> last night surfing the web sites listed as references and the site of
> the EPA <www.epa.gov/> and now I have even less fears about any wash
> water that may go down a drain from some gum printer, (before I knew
> nothing). I learned intresting things like EDTA is used in fertilizers
> as a source of soluble iron... I learned there are two chromiums that
> should not be confused in discussions... Chromium III=good, Chromium
> IV=bad... Chromium III and other minerals are often naturally acurring
> in aquifers and are essential for biological metabolism at low
> concentrations. I read Chromium IV is a known carcinogen when inhaled,
> and the epa reports say that research on ingestion is unavailable. I
> read the body does have some mechanism to convert small amounts of
> Chromium IV into Chromium III and even some ground formations filter
> ChromiumIV before any contamination reaches the aquifer, but then
> these studies have only been conducted near factories that use large
> amounts of chromium in their industries...e.g. steel making, chrome
> plating, tanneries... I read little or no concerns about photo use
> except that of toners for copy machines and pigments and dyes for
> paints and textiles.
> I learned that chromiums surrounds me continuously in my everyday
> life, from when I put on my work gloves, to when I use a pressure
> treated fence post, or when I measure the length of a board with my
> chrome plated stanley tape measure, it's in the water I drink, and the
> food I eat...and my body thrives because of it. There is no possibility
> for me to escape it if I tried, AND I don't want it in the air I
> breath... But like I wouldn't want to ingest a large concentration of
> aspirin for a headache... I'll do my best to avoid large concentrations
> of all other chemicals as well.
>
> But here's a site that may be for some, it seems to be a magical
> disposal system, but I tend to be skeptical of product claims made on
> the internet, but it may be just the thing every darkroom should have,
> I might get one as I sometimes use the t-max reversal kit that has
> permangante bleach with manganese and maybe then I'll start to use some
> toners at home instead of in the school
> lab...<http://www.njefferson.com/chemgon.htm> if anyone has ever used
> on of these things, I'd like to hear their value judgments of it.
> well I'm off...I gotta' go put my chromium gloves to work!
> garimo
>
>
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