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E-M:/ Toxic air inventory in Great Lakes--REPLY



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Enviro-Mich message from "Alex J. Sagady & Associates" <ajs@sagady.com>
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Forwarding of bounced message......

Date: Wed, 26 Aug 1998 13:51:12 -0400
From: "Gary Baker" <BAKERG@state.mi.us>
To: enviro-mich@great-lakes.net, ajs@sagady.com, Craig.Harris@ssc.msu.edu,
        MEHANG@state.mi.us
Subject: E-M:/ RE: / First inventory of toxic air emissions in theGreat
	Lakes basin released -Reply -Reply
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The "First inventory of toxic air emissions in theGreat Lakes basin"
released on 8/24/98 targets 49 toxic pollutants of interest which are
present in the Great Lakes. The inventory is for the calendar year 1993 and
contains air toxics data from Illinois, Indiana, Michigan, Minnesota, New
York, Ohio, Pennsylvania, Wisconsin and the province of Ontario, Canada. 

A question has been asked ; Is this just a compiliation of TRI data?

While there is some TRI data represented, a very high proportion of the air
toxic inventory is from sources that are not reported in the TRI database.
To explain; point source data was primarily developed from individual
processes and is defined by SCC's (Source Classification Codes) TRI data is
from total facilities and for the most part cannot be evaluated at process
levels.  There are extensive toxic emissions reported from fossil fuel
combustion processes.  TRI data does not include combustion products. Also
area source air toxic emissions are included, such as, residential wood
burning, gasoline service stations, dry cleaning operations etc.  These
sources are ignored by TRI reporting.

Hopefully this additional commentary will give a better feel for what is
contained in the Great Lakes report.

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>>> "Tracy  Mehan" <MEHANG@state.mi.us> 08/26 8:51 am >>>
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Enviro-Mich message from "Tracy  Mehan" <MEHANG@state.mi.us>
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Limited set of, I believe, 49 hazardous air pollutants vs. now over 600 TRI
chemicals.  Focus of the inventory is on toxics of concern in Great Lakes,
etc.  Maybe someone from Air Quality Division can respond more precisely to
this enquiry.

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==============================================================
ENVIRO-MICH:  Internet List and Forum for Michigan Environmental
and Conservation Issues and Michigan-based Citizen Action.   Archives at
http://www.great-lakes.net/lists/enviro-mich/

Postings to:  enviro-mich@great-lakes.net      For info, send email to
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