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RE: Endocrine Disruptors



Title: RE: Endocrine Disruptors

Kirsten/David,

My interest in toxicity ratings deals primarily in how one weighs all of the competing attributes.  Solvents tend to exhibit risk due to ozone depletion, global warming, flammability, and central nervous system effects. Aqueous cleaners tend to exhibit risk due to corrosive action (pH), aquatic toxicity, and endrocrine disruption.  The regulatory push to ban solvent use has tended to heavily weigh the risk attributes related to solvents and to downplay or ignore the attributes related to aqueous cleaners.

Somewhere in here one also has to look at product performance.  Most rating systems leave this out because it is too subjective a term to quantify.  However, the use of low risk products may be just as bad or worse for the environment if one needs to use so much more of it. How the product is used and where it is used should also be part of the risk assessment equation.  Perhaps a rating system that provides a general usage rating and a site specific rating would help one identify which products they should be using.

Just my two cents,

Mike Callahan, PE
Principal Chemical Engineer
Jacobs Engineering Group Inc.
1111 S. Arroyo Parkway
Pasadena CA 91105
(626) 568-7005

 

-----Original Message-----
From: Kirsten Sinclair Rosselot [mailto:ksrosselot@processprofiles.com]
Sent: Thursday, August 15, 2002 9:36 AM
To: David Herb
Cc: p2tech@great-lakes.net
Subject: Re: Endocrine Disruptors


If you go to Scorecard's site at
http://scorecard.org/health-effects/chemicals.tcl?
full_hazard_name=Endocrine%20Toxicity&all_p=t,
you'll find a list of suspected endocrine
disruptors.  There isn't an official list of
known disruptors.  The sources ED used to place
the compounds on their list are described at
http://scorecard.org/health-
effects/explanation.tcl?short_hazard_name=endo

I'll be interested to hear what you come up
with.  I'm helping to develop a website for NRDC
where people will enter information about the
cleansers and pesticides they use in their home
in order to obtain a personal quantitative
chronic toxicity rating based on their choices. 
The site will include guidance on making product
choices that will lower the home's chronic
toxicity rating.  I'm relying partly on MSDSes
for ingredient information -- it's a mess.  It
seems to me that the MSDS regs are only loosely
observed.

---- Original message ----
>Date: Thu, 15 Aug 2002 10:24:21 -0400
>From: "David  Herb" <herbdw@michigan.gov> 
>Subject: Endocrine Disruptors 
>To: <p2tech@great-lakes.net>
>
>If anyone can provide a link to a list of
specific chemicals that are
>either known or suspected endocrine disruptors,
I would be most
>grateful.  I am attempting to address a concern
that various aqueous
>cleaners contain endocrine disruptors (such as
nonylphenol) in
>concentrations below the 1% level requiring
disclosure on the Material
>Safety Data Sheet.  Sincerely,
>
>
>
>David Herb
>Environmental Engineer
>Pollution Prevention Section
>MDEQ - Environmental Assistance Division
>Constitution Hall
>1st Floor, North Tower
>525 West Allegan
>P.O. Box 30457
>Lansing, MI 48909-7957
>
>Phone: 517-241-8176
>Fax: 517-241-7966
>Email: herbdw@michigan.gov
>
>MDEQ - Environmental Assistance Center 800-662-
9278
>MDEQ - EAD Website
http://www.deq.state.mi.us/ead/
>
>
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===============================
Kirsten Sinclair Rosselot, P.E.
Process Profiles
P.O. Box 8264
Calabasas, CA 91372-8264

ksrosselot@processprofiles.com
http://www.processprofiles.com

(818) 878-0454
===============================

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