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SOUTH DAKOTA Department of
Agriculture & Natural Resources

Protecting South Dakota's Tomorrow...Today!
Joe Foss Building
523 E Capitol Ave
Pierre, SD 57501-3182
Contact Us  Field Offices

Air Quality

Air Quality Consultants Listing

Legal Disclaimer:  This page serves as one point of reference for anyone seeking the type of services rendered by the following service providers.  It is NOT an "official" or "comprehensive" listing nor an endorsement of the quality of services rendered by the listed providers.  DENR does not guarantee that all of this information is complete or accurate and accepts no liability for damages of any kind resulting from reliance on this information.

Consultant Phone  Description
Address Fax
Advanced Industrial Resources
Contact: Scott Wilson

NIOSH, OSHA, NCASI, all EPA and state methods; Modeling; Emissions Inventory; Indoor Air Pollution Testing; Soil Remediation; Please visit our website for more information:

5075 Roswell Rd.
Atlanta, GA  30342
(404) 845-0020
Contact: Tim Quarles
(406) 652-7481

2048 Overland Avenue, Suite 101
Billings, MT  59102
(406) 652-7485
Air Compliance Testing, Inc.
Contact: Jeremiah Hicks
1-800-EPA-AIR1 Stack testing.
PO Box 41156
Cleveland, OH  44141
Air Pollution Testing, Inc.
Contact: David Maiers
(303) 420-5949

Stationary source emission testing company providing federal, state, and diagnostic testing services, petroleum collection and analysis, and environmental laboratory services. Onsite capabilities include GC and FTIR analysis.

5530 Marshall St
Arvada, CO  80002
(303) 420-5920
Air Regulations Consulting, LLC (ARC)
Contact: Eric Sturm
(402) 817-7887

Air quality permitting, modeling, and compliance.

128 N 13th St, STE 1003
Lincoln, NE  68508
(855) 792-5366
AirSource Technologies
Contact: Pete Liebl, Vice President
(913) 422-9001

Stack sampling experts providing MACT Testing, Comprehensive Performance Testing, CEM evaluation and testing, FTIR and more.

20505 W 67th St
Shawnee, KS  66218
Airtech Environmental Services Inc.
Contact: Patrick Clark
(303) 670-0530 Compliance and diagnostic air emission testing, continuous emission monitoring services, environmental laboratory services.
5776 Lamar St.
Arvada, CO  80002
(303) 670-4130
ALTUS Environmental, LLC
Contact: David Brown
(303) 423-2777

Air quality regulatory review, emissions, inpact analyses, permitting, and compliance.

4150 Darley Ave, STE 1
Boulder, CO  80305
(303) 423-3535
American Engineering Testing, Inc.
Contact: Robert Elliott
(651) 659-9001 Stack Testing, Ambient Air Monitoring, Air Quality Permitting, Indoor Air Quality
550 Cleveland Avenue North
St. Paul, MN  55114
(651) 659-1379

Applied Modeling Incorporated

Contact: Khanh T. Tran

(818) 716-5347 Modeling, emission inventory, and health risk assessment for air toxics emissions.
21395 Castillo Street
Woodland Hills, CA 91364
(818) 716-6930


Contact: Rick Karpinske

(480) 634-4854 Air quality monitoring and reporting, Part 75 EDRs, helping with the transition to the xml format, ECMPS tool that the EPA has developed for the xml EDR review and submittal, Part 60 and Part 63 CCCC reporting - Municipal Waste Combustors, Manufacturing of Nutritional Yeast
11118 E Catalina Ave
Mesa, AZ  85208
(612) 747-3973 cell
Barr Engineering Company
Contact: Rich Hardegger, P.E.
(952) 832-2629 Provide air quality permitting, modeling, ambient and meteorological monitoring, compliance auditing, stack testing (e.g., permit compliance testing, RATAs, HAPs, dioxin/furans, metals, engineering tests)
4700 W. 77th Street
Minneapolis, MN  55435
(952) 832-2601
Bison Engineering, Inc.
Contact: Jake Wiggs, Q.I.
(406) 896-1716 We provide a wide range of air quality consulting services including source emissions testing, air quality permitting & modeling, ambient station design, construction & monitoring, and design & manufacture of gas flow monitors.
2751 Enterprise Ave., Suite #2
Billings, MT 59102
Black & Veatch
Contact: Brian O'Neal
(913) 458-8199 Emissions inventory reporting, air dispersion modeling, major source Prevention of Significant Deterioration (PSD) permits, non-attainment area New Source Review (NA NSR) permits, Title V Operating permits, and much more.
11401 Laman Ave  
Overland Park, KS  66211
Bridges Unlimited LLC
Contact: Carol E. Lyons, QEP
(303) 388-5211 Environmental and Engineering Consulting.
761 Newport Street
Denver, CO  80220
(303) 388-3209
Burns & McDonnell
Contact: Darin Brickman
(303) 721-9292 PSD and Title V permitting, minor source permitting, dispersion modeling, noise monitoring and modeling, stack testing, continuous monitoring services.
9785 Maroon Circle, STE 400
Centennial, CO  80112
(303) 721-0563
Clean Air Engineering
Contact: Andrew Risinger
(847) 991-3300 Perform air quality permitting, engineering, emission testing and/or ambient monitoring.
500 W Wood Street
Palatine, IL  60067
Climate Control, Inc.
Contact: Cam Schock
(605) 225-9822

Service orientated company performing Radon testing and mitigation services in SD and ND.

1910 130th St NW
Aberdeen, SD 57401 
Cubix Corporation
Contact: Rick Krenzke, VP
(512) 444-5830 Perform air quality permitting, engineering, emission testing and/or ambient monitoring.
PO Box 5083 
Austin, TX 78763
Custom Stack Analysis, LLC.
Contact: James Gray
1-800-824-4274 Providing stack emissions testing services, etc.
PO Box 3750 
Alliance, OH  44601
Dames & Moore
Contact: Lawrence E. Annen
(608) 244-1788 Perform air quality permitting, engineering, emission testing and/or ambient monitoring.
2701 International Lane, Suite 210
Madison, WI 53704 
(608) 244-5655
ELM Energy LLC
(309) 673-7648 Stack testing
60 State Street, STE 201
Peoria, Illinois  61602 
EMIT Technologies, Inc.
Contact: Andrew Boellstorff
(307) 673-0883

Stationary RICE Emissions Stack Testing for NSPS, NESHAP, and State Compliance.  EPA Method Tests, Portable SOP Testing, FTIR, Compliance Management, Emissions Reporting and Permit Reviews.  Catalytic Converter Assessment and Catalyst Washing and Replacement Services.


2585 Heartland Drive
Sheridan, WY  82801
(307) 763-2798
Entropy, Inc.
Contact: Anthony Mastrianni
(800) 486-3550 Permitting, emissions testing, and continuous emissions monitoring, etc.
P.O Box 12291
Research Triangle Park, NC 27709-2291
(919) 781-9555
Environmental Consulting & Technology (ECT)
Contact: Travis Epes
(352) 332-0444 Permitting and compliance issues, PSD/BACT analysis and permitting, Dispersion modeling, Title V Permitting, Emission inventories, Air Toxics risk management, Ambient air and meteorological monitoring networks, and other Federal, State, and local source permits. We have permitted many projects in the West and Mid-West.
3701 NW 98th Street
Gainesville, FL 32606
(352) 332-6722
Environmental Consulting Services, Inc.
Contact: Brett Euritt
(816) 229-1222 Stack Emissions testing, etc.
1921 B West 40 Highway
Blue Springs, MT
(816) 229-4030
Environmental Monitor Service, Inc.
Contact: Bart Gianotti
(203) 935-0102

Opacity monitoring.

PO Box 4340
Yalesville, CT  06492
(203) 634-6663
Environmental Research Corporation Modeling, conducting control technology assessments, stack testing, etc.
3725 N. Dunlap Street
St. Paul, MN 55112
Environmental Services of America, Inc. 
Contact: Theresa M. Richards
(215) 766-7230 Modeling, conducting control technology assessments, stack testing, etc.
Scott Environmental Division 
P.O. Box 369
Plumsteadville, PA 18949
Environmental Source Samplers, Inc. 
Contact: Brian Mellor
(910) 799-1055 Stack testing and EPA air emissions compliance. ESS services include source emissions testing, CEMS testing, on-site testing equipment, and accurate data reporting:

436 Raleigh Street

Wilmington, NC  28412

(910) 799-1056
Enviro-Test Lt. (303) 233-4082 Modeling, conducting control technology assessments, stack testing, etc.
PO Box 15325 
Lakewood, CO 80215

EPS (Environmental Project Specialists Inc.)
Contact: Santosh Chandru

(404) 315-9113


400 Northridge Road, Suite 400
Atlanta, GA 30350

(404) 315-8509
Epsilon Associates, Inc
Contact: Vincent Tino
(978) 461-6233!modeling/cbm3

3 Clock Tower Pl, STE 250

Maynard, MA 01754

ETS, Inc. (703) 774-8999 Modeling, conducting control technology assessments, stack testing, etc.
3140 Chaparral Dr, SW Suite C-103
Roanoke, VA 24018-4394
Evergreen Air Services, Inc.
Contact: Keith Linsley
(952) 443-3939 Stack Emissions testing, etc.
1435 Field Creek
Victoria, MN 55386
(952) 443-1884
Foth Infrastructure & Environment, LLC
Contact: Curtis M. Hudak, Vice President
(651)  288-8593
8550 Hudson Blvd N, Suite 105
Lake Elmo, MN  55042
(651)  288-8552
GE Mostardi Platt
Contact:  Bruce Randall, 
Minnesota Regional Manager
(651) 686-0700
ext. 16
Stack testing and continuous emissions monitoring services.
1301 Corporate Center Dr, Suite 177
Eagan, MN  55122
(651) 686-4434
Grace Consulting, Inc. 
Contact: Tyson Stiles

Stack Emissions testing, CEMS Maintenance and Auditing, etc.

510 Dickson Street  
Wellington, OH 44090
Contact:  Jim Pavlik, P.E.
(402) 399-1270 Air quality permitting, modeling and compliance
8404 Indian Hills Drive
Omaha, NE 68114-4098
(402) 399-1111
Contact:  Ed Liebsch
(763) 591-5452 Air quality permitting, modeling and compliance
6190 Golden Hills Drive
Minneapolis, MN 55416-1567
(763) 591-5413
Interpoll Incorporated (612) 786-6020 Modeling, conducting control technology assessments, stack testing, etc.
1996 W. County Road C 
St. Paul, MN 55113
Jim Clary & Associates 
Contact: Samuel Bell, Project Manager
(214) 386-5995 Modeling, conducting control technology assessments, stack testing, etc.
4835 LBJ Freeway, Suite 660 
Dallas, TX 75244 
(214) 386-5994
McVehil-Monnett Associates, Inc. 
Contact: Bill Monnett
(303)790-1332 Performs air quality permitting, modeling, monitoring, environmental management and litigation support.
44 Inverness Drive East
Building C
Englewood, CO 80112
MACTEC Federal Programs 
Contacts : Roger W. Brode (ext. 240) - dispersion modeling or Walter Gray (ext. 283) - source testing
(919) 941-0333 Dispersion modeling, meteorological data preparation, dispersion model training (AERMOD, ISCST3, CALPUFF), air quality permitting, source testing, compliance testing, air pollution control technology, emission factors, compliance assurance monitoring, Title V and Title VII, emissions inventories.
5001 S. Miami Blvd., Suite 300
Durham, NC  27703
(919) 941-0234
Merjent, Inc. 
Contact: Paul Mordorski
(612) 643-5249

An environmental, health, and safety consulting firm offering: air permitting (minor and major – construction and operating); plans (fugitive dust control, O&M, etc.); routine reporting (emission inventories, deviation reports, etc.); stack test management; dispersion modeling; compliance audits; new facility planning and feasibility; EHS training; compliance support technology; expert testimony; and environmental assessments.

800 Washington Avenue North, STE 315
Minneapolis, MN 55401
METCO Environmental 
Contact: Rob Patterson
(800) 394-1194 Stack emission testing services.
PO Box 598  
Addison, TX 75001  
(972) 931-8398
MMT Environmental, Inc. 
Contact: Miles Tomaides, President
Stack emission testing services.
4643 N. Chatsworth Street
St. Paul, MN 55112

NAQS - Environmental Experts
Contact: Piyush Srivastav, President, or

(402) 310-5321

Services:  Construction permitting (PSD/NSR/Minor Source), Operating Permitting (Title V and Minor Source), Dispersion Modeling, Audits, Compliance Assistance, Annual Reporting, Compliance Management, Litigation Support, Regulatory Analysis, Executive Training, GHG Inventories and Management, Strategic Project Planning, Stack Testing Coordination and Management.

Web Page:

301 South 9th Street, Suite 200
Lincoln, NE  68508  
(402) 489-1111
Natural Resource Group, Inc. 
Contact: Bill VonSee
(612) 347-6789 Environmental consulting and public affairs company offering compliance and engineering air emissions test management; modeling; emissions inventory; air quality permitting. Please visit us at:  
1000 IDS Center
80 S. 8th Street
Minneapolis, MN  55402  
(612) 347-6780

Nova Environmental Services, Inc.

Contact: Donald J. Scheele, P.E.

(952) 448-9393 Permitting, testing, ambient and meteorological monitoring, modeling, environmental site assessments, compliance auditing and more.
Suite 400 Hazeltine Gates 
1107 Hazeltine Boulevard 
Chaska, MN 55318
(952) 448-9572

Optimal Air Testing Services Inc.

Contact: Daniel Klassen, President
Jarvie Wayne Bentley

(307) 237-0814

(734) 787-8015

Stack Testing, Engineering, Combustion Screening, CEMS,  and RATAs.
9971 W Landmark Lane
Casper, WY 82604

Oris Solutions, LLC

Contact: James Red

(512) 258-8855 Perform dispersion modeling, meteorological data processing, modeling training, modeling software (AERMOD and CalPuff for all services)
4611 Bee Caves Rd STE 100
Austin, TX  78746
(855) AERMOD1
Pace Analytical Services, Inc.
Contact:  Don Stock, QEP
(612) 607-6370 Provide Stack Emission and Ambient Air testing services as related to RATA, MACT, NESHAPs, Title V, CEM, PM Characterization, Dioxin/Furans, Metals, Trial Burns, Process Evaluation and Process Optimization.
1700 Elm Street
Minneapolis, MN 55414
Pollution Curbs, Inc. Permitting, testing, ambient and meteorological monitoring, modeling, environmental site assessments, compliance auditing and more.
502 N. Prior Ave.
St. Paul, MN 55104
Plains Environmental LLC  
Contact: David L. Kinghorn, P.E.
(307) 441-0551 Permitting, testing, ambient and meteorological monitoring, modeling, environmental site assessments, compliance auditing and more.
11187 Schoolhouse Lane   
Belle Fourche, SD 57717 
Residuals Management, Inc. 
Contact: Tod Rasmussen
(208) 323-1095 Permitting, dispersion modeling, and ambient air monitoring.
P. O. Box 1072 
Boise, ID 83701 
(208) 323-1181
Roy F. Weston, Inc. 
Contact: David Elam, Project Director
(205) 826-6100 Permitting, dispersion modeling, and ambient air monitoring.
1635 Pumphrey Avenue  
Auburn, AL 36830
Science Applications Intl. Corp.
Contact: Ken Brinster, P.G. 
(701) 852-0847 Emission Inventories, Ambient Air Quality Monitoring, Meteorological/Climatological Studies, Clean Air Act Compliance Models, Air Pollution Control Evaluations, Title V Permit Applications, Air Dispersion Modeling.
5th 1st Avenue SE, Suite 207
Minot, North Dakota 58701
(701) 852-0847

Shell Engineering & Associates, Inc.

Contact: Mitchell L. Hylen

(314) 445-0106 Permitting, dispersion modeling, and ambient air monitoring.
2403 West Ash  
Columbia, MO 65203 
(314) 445-0137

Stantec Consulting Services Inc.

Contact: Steve Varsa

(515) 253-0830 Sullivan Environmental provides air quality monitoring, permitting, stack testing, and indoor air assessment.

11153 Aurora Ave.   
Des Moines, IA 50322

(515) 727-8047

Sullivan Enviromental Consulting, Inc.

Contact: Ryan Sullivan

(703) 780-4580 Sullivan Environmental provides atmospheric dispersion modeling and air sampling services nationwide.  Services include  exposure assessment, air permitting, urban air assessment, air quality related risk management planning, expert air quality and meteorological litigation support, worker exposure monitoring, industrial and commercial air sampling, meteorological research, odor sampling, fumigant flux research, and noise monitoring.
1900 Elkin Street, Suite 200   
Alexandria, VA  22308  
(703) 780-4586
Technical Emissions Testing Company
Contact: Kevin L. Kitchen
(801) 768-0973 Stack Emissions testing, etc.
90 East Main 
Lehi, UT 84043 
(801) 768-0880
Tetra Tech MFG Inc.
(303) 447-1823 Dispersion modeling, permitting, and compliance.
4900 Pearl East, Suite 300 W 
, CO  80301  
(303) 447-1836
TriHydro Corporation 
Contact: Calvin L. Niss, Vice President
(307) 745-7474 Stack Emissions testing, etc.
920 Sheridan Street  
Laramie, WY  82070
(307) 745-7729
Trinity Consultants 
Contact: Clay Raasch, Manager
(651) 275-9900 Air permitting, air modeling services and software, ambient and meteorological monitoring, Environmental Management Systems and Information Systems (EMS, EMIS) implementation and development, environmental staffing solutions, custom environmental training, environmental site assessments, compliance auditing and more.
12445 55th St N, STE A2
Lake Elmo, MN  55042
(651) 351-3987
Trinity Consultants 
Contact: Dave Strohm
(208) 472-8837 Air permitting, air modeling services and software, ambient and meteorological monitoring, Environmental Management Systems and Information Systems (EMS, EMIS) implementation and development, environmental staffing solutions, custom environmental training, environmental site assessments, compliance auditing and more.

702 W Idaho St, STE 1100

Boise, Idaho  83702

Wenck Associates Inc.
Contact: Luke Taylor
(763) 479-4200

Expertise: Permit applications, BACT, NSPS, NESHAP, PSD/NSR, MACT analyses, Stack Testing, Non-Attainment, Air Dispersion Modeling/Risk Assessment, Environmental Compliance

1800 Pioneer Creek, PO Box 249

Maple Plain, MN  55359

Western Environmental Services
and Testing
Contact: Scott Mortimer
1-800-545-5711 Stack testing
913 Foster Road
Casper, WY 82601
(307) 234-8324
York Research Corporation Stack Emissions testing, etc.
7100 Broadway, Building 3A
Denver, CO 80221