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Re: dioxin fingerprints
Dioxins (the family) are everywhere folks (coming out of long lurk mode).
Not just from the chlorine used for treatment (although I personally prefer
that to ozone for its 'shelf life' contribution to water purity). Add air
sources (autos, fires, etc).
But even if there were residual dioxin in tampons and TP -- get real!
Tampons Are Not Supposed to be FLUSHED! And TP is not anywhere near the
volume that would affect quality. At those levels, the pathogens are a hell
of a lot more dangerous to public health, anyway.
And why would landfill leachate be going directly into a publicly owned
waterwater treatment plant? Why would it not be subject to pre-treatment
requirements like any other "Industrial" source (even if the landfield were
publicly owned) if it were that "hazardous"?
Most large-scale pulp mills have their own treatment (WW and Sludge) .. and
besides, sludge (pulp mill or otherwise) shouldn't be going into a Muncipal
>Dioxin could end up in POTWs from many sources.
>One of the more obvious could be toilet paper and
>tampons --- either recycled paper or virgin, and bleached with
>chlorine or chlorine compounds. Dioxin has been
>detected in significant quantities in personal
>hygiene paper products.
>Our POTWs also take all the leachate from area
>landfills, which also take huge quantities of
>paper mill sludges (chlorine bleached). I
>wouldn't be surprised if Dioxins are found in
>most municipal landfills though, given all the
>contamination in food, paper, cleaning products, wood
>treatments, coatings, pesticides and other products.
>The landfill leachate could carry a host of toxic contaminants
>into POTWs like ours which are not designed
>with final stage toxics treatment. Essentially,
>they're using municipal wastes to dilute the
>leachate, to discharge to the river. Pretty crazy.
>Our POTW also uses a Zimpro press to dewater
>their sludge. This is a big, rotating,
>super-heated drum and the sludge is pressed
>against it for one or more revolutions to dry it
>enough so it can be incinerated. Of course,
>we're concerned about the air emissions, but the
>press itself turns the final wastewater a dark
>chocolate color and they've confirmed it contains
>hundreds of chlorinated organics. Don't know about
>Dioxins but the heat treatment could be
>Too many idiots still pour hundreds of waste chemicals
>down the drain, some of which could be
>contaminated with Dioxin. Very hard to trace,
>especially if their idiocy is only intermittent.
>Rebecca Leighton Katers
>Clean Water Action Council of N.E. Wisconsin
>2220 Deckner Avenue
>Green Bay, WI 54302
Kathy E. Gill, publisher, eNetDigest - http://www.enetdigest.com/
Member, HTML Writers Guild Governing Board, http://www.hwg.org/
WWW design • writing • training - http://www.dotparagon.com/
You must be the change you wish to see in the world. - Gandhi