Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Support Center for Regulatory Atmospheric Modeling (SCRAM)

Air Modeling - State Modeling Contacts

State Modeling Contacts

  • EPA Region 1 - serving CT, ME, MA, NH, RI, and VT
  • EPA Region 2 - serving NJ, NY, Puerto Rico, and the U.S. Virgin Islands
  • EPA Region 3 - serving DE, DC, MD, PA, VA, and WV
  • EPA Region 4 - serving AL, FL, GA, KY, MS, NC, SC, and TN
  • EPA Region 5 - serving IL, IN, MI, MN, OH, and WI
  • EPA Region 6 - serving AR, LA, NM, OK, and TX
  • EPA Region 7 - serving IA, KS, MO, and NE
  • EPA Region 8 - serving CO, MT, ND, SD, UT, and WY
  • EPA Region 9 - serving AZ, CA, HI, NV, American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Marshall Islands, and Republic of Palau
  • EPA Region 10 - serving AK, ID, OR, WA and 271 native tribes
Region
State
Contacts
Region 1
 Connecticut

Department of Energy and Environmental Protection
Bureau of Air Management
79 Elm Street
Hartford, Connecticut 06106-5127
Sam Sampieri
samuel.sampieri@ct.gov
(860) 424-3743    FAX: (860) 424-4063

Rebecca McLean-Rudolph
Rebecca.Rudolph@CT.gov
(860) 424-3511

Mark DeRosa
Mark.derosa@ct.gov
(860) 424-3975
 Maine

Maine Department of Environmental Protection
Bureau of Air Quality
25 Tyson Drive
Augusta, Maine 04333-0017
Kevin Ostrowski
Kevin.Ostrowski@maine.gov
(207) 287-2424    FAX: (207) 287-7641
 

Massachusetts
 

MassDEP
One Winter Street
Boston, MA 02108

Glenn Pacheco
glenn.pacheco@state.ma.us
(617) 654-6580    FAX: (617) 292-5858
 New Hampshire

Department of Environmental Services
Air Resources Division
29 Hazen Drive
Concord, New Hampshire 03302-0095

David Healy
david.healy@des.nh.gov
(603) 271-1102    FAX: (603) 271-1381

Kathleen Simmons
kathleen.n.simmons@des.nh.gov
(603) 271-0871    FAX (603) 271-1381

 Rhode Island

Department of Environmental Management
Office of Air Resources
235 Promenade Street
Providence, Rhode Island 02908-5767
Wilfredo Lemus
wilfredo.lemus@dem.ri.gov
(401) 222-2808 x7025
 

Vermont
 

Department of Environmental Conservation
Air Quality & Climate Division
Davis Building – 4th Floor
One National Life Drive
Montpelier, VT 05620-3802

Daniel Riley
Dan.Riley@vermont.gov
(802) 272-3695

Philip Cannata
Philip.cannata@vermont.gov
(802) 461-5065

Region 2
 New Jersey

Department of Environmental Protection
Air Quality Evaluation
401 E. State Street, 2nd Floor
Mail Code 401-02
P.O. Box 420
Trenton, NJ 08625-0420
Shan He
shan.he@dep.nj.gov (preferred contact)
Office Phone: (609)633-1489 (limited access)
 New York

Department of Environmental Conservation
Division of Air Resources
625 Broadway, 11th Floor
Albany, New York 12233-3259

Margaret LaFarr
(Assistant Director, Division of Air Resources)
Margaret.Lafarr@dec.ny.gov
(518) 402-8402    FAX: (518) 402-9035

Julia Stuart
(Chief, Impact Assessment and
Meteorology Section)
Julia.Stuart@dec.ny.gov
(518) 402-8402    FAX: (518) 402-9035

 New York CityChung Chan
ChungC2@dep.nyc.gov
 Puerto Rico

Department of Natural and Environmental Resources
P.O. Box 11488
Santurce, PR, 00910
Elianeth Rivera
elianethrivera@jca.pr.gov
(787) 767-8181    FAX: (787)-756-5906
 U.S. Virgin Islands 
Region 3
 Delaware

Department of Natural Resources and Environmental Control
715 Grantham Lane
New Castle, DE 19720
Mohamed Mellaouch
mohamed.mellaouch@delaware.gov
302-324-2078
 District of Columbia

Department of the Environment
Air Quality Division
1200 First Street, NE, Fifth Floor
Washington, DC 20002
Rama S. Tangirala
(Monitoring and Assessment Branch Chief)
rama.tangirala@dc.gov
(202) 535-2989    FAX: (202) 481-3771

Steve Ours
(Permitting and Enforcement Branch Chief)
stephen.ours@dc.gov
(202) 535-1747    FAX: (202) 481- 3771
 Maryland

Department of Environment
1800 Washigton Blvd.
Baltimore, MD 21230
LiAn Zhuang
lian.zhuang@maryland.gov
(410) 537-3122
 

Pennsylvania

Department of Environmental Protection
Bureau of Air Quality
P.O. Box 8468
400 Market Street, 12th Floor
Harrisburg, PA 17105-8468
 



 


Allegheny Cty Health Dept.
301 39th Street, Bldg. 7
Pittsburgh, PA 15201-1811
 


Air Management Services
Department of Public Health
City of Philadelphia
321 University Street
Spelman Bldg., 2nd floor
Philadelphia, PA 19104

Andrew Fleck
afleck@pa.gov
(717) 783-9243    FAX: (717) 772-2303

Daniel Roble 
droble@pa.gov
(717) 705-7689

Henry Bonifacio
hbonifacio@pa.gov
(717) 772-5968



 

Jason Maranche
Jason.Maranche@AlleghenyCounty.US
(412) 578-8104    FAX: (412) 578-8144

Shaun Vozar
Shaun.Vozar@AlleghenyCounty.US
(412) 578-8145    FAX: (412) 578-8144



Henry Kim
henry.kim@phila.gov
(215) 685-9437    FAX: (215) 685-7593
 

 Virginia

Department of Environmental Quality
Central Office
P.O. Box 1105
Richmond, VA 23218
Mike Kiss
mfkiss@deq.virginia.gov
(804) 698-4460    FAX: (804) 698-4510
 West Virginia

Division of Air Quality
601 57th Street SE
Charleston, WV 25304-2535
Jon McClung
jon.d.mcclung@wv.gov
(304) 926-0499 x1689    FAX: (304) 926-0479
Region 4
 Alabama

Department of Environmental Management
Air Division
Meteorological Section
1400 Coliseum Blvd.
Montgomery, AL 36110
Leigh Barb Bacon
LBB@adem.state.al.us
(334) 270-5689    FAX: (334) 279-3044
 Florida

Department of Environmental Protection
Division of Air Resource Management
Twin Towers Office Bldg.
2600 Blaire Stone Road
Tallahassee, FL 32399-2400
Josh Doane
Josh.Doane@FloridaDEP.gov
850-717-9048
 Georgia

Department of Natural Resources
Environmental Protection Division
Air Protection Branch
4244 International Parkway, Suite 120
Atlanta, GA 30354
Byeong Kim
Byeong.Kim@dnr.ga.gov
(470) 524-0734
 

Kentucky
 

Kentucky Division for Air Quality
300 Sower Blvd, 2nd Floor
Frankfort, KY 40601

Kevin Davis
Kevin.Davis@ky.gov
(502) 782-6593
 

Mississippi
 

Mississippi Department of Environmental Quality
Air Quality Management Branch - Air Division
P.O. Box 2261
Jackson, MS 39225

Rodney Cuevas
RCuevas@mdeq.ms.gov
601-961-5566

Katherine Mertes
KMertes@mdeq.ms.gov
601-961-5468
 North Carolina

Department of Environment and Natural Resources
Division of Air Quality
1641 Mail Service Center
Raleigh, NC 27699-1641

Mark Yoder
(Dispersion/Permits)
mark.yoder@deq.nc.gov
(919) 707-8724    FAX: (919) 707-8723

Bradley McLamb
(Photochemical/SIP/AQ Forecasting)
bradley.mclamb@deq.nc.gov
(919) 707-8485

 South Carolina

South Carolina Department of Environmental Services
Bureau of Air Quality
2600 Bull Street
Columbia, SC 29201
Greg Quina
gregory.quina@des.sc.gov
(803) 898-4074
 

Tennessee

Tennessee Division of Air Pollution Control
500 James Robertson Parkway
7th Floor
Nashville, TN 37243


 

Metro Public Health Department
Pollution Control Division
City of Nashville
311 23rd Avenue N
Nashville, TN, 37203

Haidar Alrawi (Dispersion/Permits)
Haidar.Alrawi@tn.gov
(615) 426-1814

Mark Reynolds (SIP)
mark.a.reynolds@tn.gov
(615) 708-0760

Emily Sardello (Dispersion/Permits)
emily.sardello@tn.gov
(615) 483-4900

Kyle Spangle (Monitoring)
kyle.spangle@tn.gov
(615) 487-4853


Eric McCann
eric.mccann@nashville.gov
(615) 340-5653

Region 5
 Illinois

Illinois Environmental Protection Agency
Division of Air Pollution Control
1021 N. Grand Ave. East
Springfield, IL 62706

Tamara Stewart
tamara.stewart@illinois.gov
217-782-4128

 Indiana
Department of Environmental Management
Office of Air Quality
100 North Senate Avenue
Indianapolis, IN, 46204-2551

Mark Derf
mderf@idem.IN.gov
(317) 233-5682

Mike Mosier
mmosier@dem.state.in.us
(317) 232-8247    FAX: (317) 233-5967

 Michigan

Department of Environmental Quality
Air Quality Division
P.O. Box 30260
Lansing, MI 48909
Jim Haywood
haywoodj@michigan.gov
(517) 648-6766
 Minnesota

Minnesota Pollution Control Agency
Environmental Outcomes Division
Risk Evaluation/Air Modeling Unit
520 Lafayette Road N.
St. Paul, MN 55155-4194
Matt Taraldsen
Matthew.Taraldsen@state.mn.us
(651) 757-2588
 Ohio

Ohio Environmental Protection Agency
Air Pollution Control
P.O. Box 1049
Columbus, OH 43216
Jennifer Van Vlerah
jennifer.VanVlerah@epa.ohio.gov
(614) 644-3696    FAX: (614) 644-3681
 Wisconsin

Department of Natural Resources
P.O. Box 7921
Madison, WI 53707
John Roth
john.roth@wisconsin.gov
(608) 267-0805    FAX: (608) 267-0560
Region 6
 Arkansas

Department of Environmental Quality
Division of Air Pollution
5301 Northshore Drive
Little Rock, AR 72118-5317
David Clark
clarkd@adeq.state.ar.us
(501) 682-0070
 Louisiana

Department of Environmental Quality
Office of Environmental Assessment
Air Permits Division
P.O. Box 4314
Baton Rouge, LA 70821-4314
Yvette McGehee Olmos
yvette.olmos@la.gov
(225) 219-1219    FAX: (225) 219-3240
 New Mexico

Environment Department
Air Quality Bureau
P.O. Box 26110
Santa Fe, NM 87502

Sufi Mustafa
Sufi.Mustafa@state.nm.us
(505) 476-4318

Sahil Kassanjee
sahil.kassanjee@env.nm.gov
(505) 629-3808

Bryant Fong
bryant.fong@env.nm.gov
(505) 660-3981

 Oklahoma

Department of Environmental Quality
Air Quality Division
P.O. Box 1677
Oklahoma City, OK 73101-1677

Eric Milligan
(NSR-PSD)
eric.milligan@deq.ok.gov
(405) 702-4217    FAX: (405)702-4101

Joseph Wills
(NSR-PSD)
Joseph.Wills@deq.ok.gov
(405) 702-4203    FAX: (405) 702-4101

Jacob Petre
(SIP)
jacob.petre@deq.ok.gov
(405) 702-4216    FAX (405) 702-4101

Cooper Garbe
(SIP)
cooper.garbe@deq.ok.gov
(405) 702-4169    FAX (405) 702-4101

 Texas

Texas Commission on Environmental Quality
Permit Support Section
MC-163
P.O. Box 13087
Austin, TX 78711-3087

Daniel Menendez
daniel.menendez@tceq.texas.gov
(512) 239-1537

Chad Dumas
Chad.Dumas@tceq.texas.gov
512-239-2057

Region 7
 Iowa

Department of Natural Resources
Air Quality Bureau
502 East 9th Street
Des Moines, IA 50319-0034
Brad Ashton
brad.ashton@dnr.iowa.gov
(515) 725-9527    FAX: (515) 725-9501
 Kansas

Department of Health and Environment
1000 SW Jackson Street
Suite 310
Topeka, KS 66612
Mindy Bowman
mbowman@kdhe.state.ks.us
(785) 296-6421    FAX: (785) 291-3953

Lynn Deahl
ldeahl@kdhe.state.ks.us
(785) 296-0871    FAX: (785) 296-1545
 Missouri

Department of Natural Resources
Air Pollution Control Program
P.O. Box 176
Jefferson City, MO 65102-0176
Adel Alsharafi
(SIP/BART)
adel.alsharafi@dnr.mo.gov

Dawn Froning
(Permit Modeling)
dawn.froning@dnr.mo.gov
 Nebraska

Department of Water, Energy and Environment
245 Fallbrook Blvd
Suite 100
Lincoln, NE 68521



City of Omaha
Air Quality Control
5600 South 10th Street
Omaha, NE 68107



Lincoln-Lancaster County Health Dept.
2200 St. Mary's Avenue
Lincoln, NE 68502

Bella Devney
bella.devney@nebraska.gov
(402) 471-2186

Mary Bartek
mary.bartek@nebraska.gov
(402) 471-2186
 


Fritz Jackson
(402) 344-6015




Gary Walsh
(402) 471-8039

Region 8
 Colorado

Department of Health & Environment
Air Pollution Control Division
APCD-TS-B1
4300 Cherry Creek Drive South
Denver, CO 80246-1530
Kevin Briggs
(Regional Modeling)
kevin.briggs@state.co.us
(303) 692-3222

Miriam Hacker
(Permit Modeling)
miriam.hacker@state.co.us
(720) 948-4497
 

Montana
 

Department of Environmental Quality
Air, Energy, and Mining Division
Air Quality Bureau
P.O. Box 200901
Helena, MT 59620-0901

Cameron Nealy
Cameron.Nealy@mt.gov
(406) 444-6257
 North Dakota

Department of Environmental Quality
Division of Air Quality
4201 Normandy Street, 2nd Floor,
Bismarck, ND 58503-1324
Rhannon Thorton
rthorton@nd.gov
(701) 328-5271
 South Dakota

Department of Agriculture and Natural Resources
Air Quality Program
523 East Capitol Avenue
Pierre, SD 57501

Kyrik Rombough
Kyrik.rombough@state.sd.us
(605) 773-3151

Ashley Brakke
Ashley.Brakke@state.sd.us
(605) 773-3151

 Utah

Department of Environmental Quality
Division of Air Quality
P.O. Box 144820
Salt Lake City, UT 84114-4820

Dave Prey
dprey@utah.gov
(385) 306-6508

Jason Krebs
jkrebs@utah.gov
(385) 306-6531

 Wyoming

Department of Environmental Quality
Air Quality Division
122 West 25th Street
Herschler Building
Cheyenne, WY 82002
Janell Mellish
janell.mellish@wyo.gov
(307) 777-7802
 

Southern Ute Indian Tribe

Environmental Programs Division
Air Quality Program
P.O. Box 737 MS# 84
Ignacio, Colorado 81137

Mark A. Hutson
(Environmental Programs Division Head)
mhutson@southernute-nsn.gov
(970) 563-2206

Danny J. Powers
(Air Quality Program Manager)
dpowers@southernute-nsn.gov
(970) 563-2265

Region 9
 Arizona

Department of Environmental Quality
1110 W. Washington Street
Phoenix, AZ 850067
Feng Mao
mao.feng@azdeq.gov
(602) 771-4529

Farah Esmaeili
esmaeili.farah@azdeq.gov
(602) 771-2350
 

California

California Environmental Protection Agency
Air Resources Board
Planning & Tech. Support Division
P.O. Box 2815
Sacramento, CA 95812




Bay Area Air Quality Management District
375 Beale Street
San Francisco, CA 94105
https://www.baaqmd.gov/



San Joaquin Valley APCD
1990 E Gettysburg Ave
Fresno, CA, 93726




South Coast Air Quality Management District
21865 Copley Drive
Diamond Bar, CA 91765


 

Chenxia Cai
chenxia.cai@arb.ca.gov
(626) 459-4307

Pingkuan Di
pingkuan.di@arb.ca.gov
(916) 322-6040



Jim Cordova
jcordova@baaqmd.gov
(415) 749-5104




Leland Villalvazo
(Supervising Air Quality Specialist)
leland.villalvazo@valleyair.org
(559) 230-5881    FAX: (559) 230-6061



Jillian Wong
jwong1@aqmd.gov
(909) 396-3176


 

 

Hawaii
 

State of Hawaii
Department of Health
Clean Air Branch
2827 Waimano Home Road, #130
Pearl City, HI 96782

cab@doh.hawaii.gov
(808) 586-4200    FAX: (808) 586-4359
 Nevada

Division of Environmental Protection
Bureau of Air Quality
901 South Stewart Street, Suite 4001
Carson City, NV 89701






Clark County Department of Air Quality
500 S Grand Central Parkway I Floor
Las Vegas, NV, 89155-5210

 
Danilo Dragoni
ddragoni@ndep.nv.gov
(775) 687-9340

Scott Speckart
(Modeling Contact)
sspeckart@ndep.nv.gov
(775) 687-9355



Vasant Rajagopalan
(NSR-PSD)
rajagopalan@clarkcountynv.gov
(702) 455-1622

Zheng Li
(SIP)
zli@clarkcountynv.gov
(702) 455-1621
 American Samoa 
Region 10
 Alaska

Department of Environmental Conservation
410 Willoughby Ave, Suite 303
P.O. Box 111800
Juneau, AK 99811-1800

Jesse Jack
(NSR PSD)
jesse.jack@alaska.gov 
(907) 269-4718

Deanna Huff
(SIP)
deanna.huff@alaska.gov
(907) 465-5116

 Idaho

Department of Environmental Quality
1410 N. Hilton
Boise, ID 83760-1255
Bruce Louks
(Airshed)
Bruce.Louks@deq.idaho.gov
(208) 373-0294    FAX: (208) 373-0340

Kevin Schilling
(NSR-PSD)
Kevin.Schilling@deq.idaho.gov
(208) 373-0112    FAX: (208) 373-0340

Brian Himes
(Modeling/Risk Analysis Discipline Lead)
Brian.Himes@deq.idaho.gov
(208) 373-0236    FAX: (208) 373-0340
 Oregon

Department of Environmental Quality
Air Quality Division
811 S.W. Sixth Avenue
Portland, OR 97204-1390
Kristin Martin
Kristen.Martin@deq.oregon.gov
(503) 229-5713
 Washington

Department of Ecology
Air Quality Program
P.O. Box 47600
Olympia, WA 98504-7600

Tes Ghidey
tghi461@ecy.wa.gov
(360) 407-6815    Fax (360) 407-7534

Beth Friedman
Beth.Friedman@ecy.wa.gov
(360) 515-6718

Support Center for Regulatory Atmospheric Modeling (SCRAM)

  • Air Quality Models
  • Model Applications and Tools
  • Modeling Guidance and Support
  • Meteorological Data and Processors
  • Conferences and Workshops
  • Reports and Journal Articles
  • Related Links
Contact Us about Air Quality Models
Contact Us about Air Quality Models to ask a question, provide feedback, or report a problem.
Last updated on March 10, 2026
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.