Air toxics come from many sources, including stationary and mobile sources.

Maine Air Toxics Initiative (MATI)
Stakeholders and Subcommittees

Air Toxics Advisory Committee (ATAC)
Inventory Subcommittee
Toxicity Subcommittee
Benchmarking Subcommittee

There are three subcommittees of the ATAC:

Inventory Subcommittee - The most recent Air Toxics Priority List was based on 1999 emissions. The Inventory Subcommittee is tasked with updating the air emissions inventory that is being used by the Maine Air Toxics Initiative (MATI inventory) so that it reflects current air toxics releases.
Toxicity Subcommittee - The Toxicity Subcommittee has determined the "toxicity factors" for each of the air toxics in the inventory. The toxicity factors are multiplied against the emissions to produce a Toxicity Weighted Emission value. Of specific note, the subcommittee developed recommendations as to how to access the toxicity of:
- diesel particulate matter (DPM); and
- polycyclic aromatic hydrocarbons (PAHs) and polycyclic organic matter (POM).
Benchmarking Subcommittee - The Benchmarking Subcommittee is tasked with determining a mechanism to draw a line on the weighted Air Toxics Priority List, above which will be air toxics of concern, and below which will be air toxics that are currently not of concern.

First Name	Last Name	Title	Affiliation
Inventory Subcommittee
David	Dixon	Consultant	Dirigo Environmental Consultants
Rich	Greves	Environmental Specialist	Maine DEP, Air Toxics Program, BAQ
Susan	Lancey	Air Toxics Coordinator	U.S. Environmental Protection Agency, Region I
Karen	Morrison	Consultant	Morrison Environmental
Pamela	Person	Project Director	Coalition for Sensible Energy
Marc	Cone	Air Licensing Coordinator	Maine DEP, Air Licensing Program, BAQ
Lisa	Higgins	Air MACT Engineer	Maine DEP, Air Toxics Program, BAQ
Mark	Roberts	Air Licensing Engineer	Maine DEP, Air Licensing Program, BAQ
Jon	Voisine	Air Licensing Engineer	Maine DEP, Air Licensing Program, BAQ
David	Wright	Air Toxics Coordinator	Maine DEP, Air Toxics Program, BAQ
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Toxicity Subcommittee
First Name	Last Name	Title	Affiliation
David	Adams	MD Cardiology, Rtr	Physicians for Social Responsibility, Maine Chapter
Patricia	Aho	Representative	Maine Oil Dealers Association
Norm	Anderson	Envrionmental Health Scientist	American Lung Association of Maine
Tom	Brown	Executive Director	Maine Automobile Dealers Assoc. Inc.
Heather	Carlson-Lynch	Air Toxicologist	Syracuse Reasearch Corporation
Ginger	Davis	Representative	Maine Automobile Dealers Assoc. Inc.
Donna J.	Dion	Representative	Coastal Healthy Communities Coalition
David	Dixon	Consultant	Dirigo Environmental Consultants
Rich	Greves	Environmental Specialist	Maine DEP, Air Toxics Program, BAQ
Bill	Hine	Board of Directors	River Valley Healthy Communities Coalition
Pamela	Person	Project Director	Coalition for Sensible Energy
Dixon	Pike		Pierce-Atwood
David	Wright	Air Toxics Coordinator	Maine DEP, Air Toxics Program, BAQ
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Benchmarking Subcommittee
First Name	Last Name	Title	Affiliation
Heather	Carlson-Lynch	Air Toxicologist	Syracuse Research Corporation
Julie	Churchill	Assistant Program Director	Maine DEP, Office of Innovation and Assistance, OC
David	Dixon	Consultant	Dirigo Environmental Consultants
Rich	Greves	Environmental Specialist	Maine DEP, Air Toxics Program, BAQ
Steven	Gurney	Science & Policy Director	Environmental Health Strategy Center
Bill	Hine	Board of Directors	River Valley Healthy Communities Coalition
Susan	Lancey	Air Toxics Coordinator	U.S. Environmental Protection Agency, Region I
Brian	Phinney	Environmental Compliance Officer	City of Biddeford
Dixon	Pike		Pierce-Atwood
Ron	Severance	Division Director	Maine DEP, Program Planning, BAQ
David	Wright	Air Toxics Coordinator	Maine DEP, Air Toxics Program, BAQ

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Programs

Maine Air Toxics Initiative (MATI) Stakeholders and Subcommittees

Maine Air Toxics Initiative (MATI)
Stakeholders and Subcommittees