Geographical
COLORADO
(C = Commercial R = Residential)
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Atlas, (C)
Robyn M. Steiner, MSPH, CIH, CSP
Alex D. Peck, CIH
Chris W. Phillips, CIH, CHMM
5050 South Syracuse Street
Suite 1150
Denver, CO 80237
(303) 799-6100
(877) 282-4756
kari.yenter@oneatlas.com
www.oneatlas.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 5 Consulting, 6 Education and Training, 7 Emergency Preparedness and Response, 8 Environmental Protection and Monitoring, 10 Ergonomics, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 17 Legal and Expert Witness, 18 Mold, 20 OHS Management Systems, Auditing and Compliance, 21 Personal Protective Equipment, 24 Real-time Detection Services and Direct Reading Instruments, 25 Regulatory Compliance, 26 Respiratory Protection, 28 Safety, 30 Thermal Stress Protection and Monitoring, 32 Ventilation, 33 COVID-19
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Chemistry & Industrial Hygiene, Inc., (C)
Eric J. Rasmuson, MHS, MS, CIH, DABT
James O. Rasmuson, Ph.D., CIH, DABT, FAIHA
Andrey A. Korchevskiy, Ph.D., CIH, DABT
Andrew D. Duane, CIH
Daniel R. Hall, PE, CIH, PSE
Cassidy D. Strode, PSE, CIH
7333 West Jefferson Avenue
Suite 235
Lakewood, CO 80235
(303) 420-8242
mhallacy@c-ih.com
www.c-ih.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 4 Biosafety, 5 Consulting, 6 Education and Training, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 16 Labs - Health and Safety, Testing, 17 Legal and Expert Witness, 20 OHS Management Systems, Auditing and Compliance, 22 Publications, 23 Radiation Protection and Monitoring, 24 Real-time Detection Services and Direct Reading Instruments, 25 Regulatory Compliance, 26 Respiratory Protection, 27 Risk Assessment and Management, 31 Toxicology, 32 Ventilation
Citadel EHS, Inc., (C)
Scott B. Brehmer, CIH, CSP
115 Wilcox Street
Suite 220
Castle Rock, CO 80104-2049
(858) 246-2707
sbrehmer@citadelehs.com
www.citadelehs.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 3 Biological Monitoring, 4 Biosafety, 5 Consulting, 6 Education and Training, 7 Emergency Preparedness and Response, 8 Environmental Protection and Monitoring, 10 Ergonomics, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 17 Legal and Expert Witness, 18 Mold, 20 OHS Management Systems, Auditing and Compliance, 21 Personal Protective Equipment, 23 Radiation Protection and Monitoring, 24 Real-time Detection Services and Direct Reading Instruments, 25 Regulatory Compliance, 26 Respiratory Protection, 27 Risk Assessment and Management, 28 Safety, 30 Thermal Stress Protection and Monitoring, 32 Ventilation, 33 COVID-19
Associates in Occupational + Environmental Health, LLC (C)
Cynthia L. Ellwood, CIH
PO Box 536
Black Hawk, CO 80422-0536
(303) 588-5850
cynthia.ellwood@aoehllc.com
1 Aerosol and Airborne Particulate Monitoring, 5 Consulting, 6 Education and Training, 7 Emergency Preparedness and Response, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 16 Labs – Health and Safety, 17 Legal and Expert Witness, 18 Mold, 20 OHS Management Systems, Auditing and Compliance, 21 Personal Protective Equipment, 25 Regulatory Compliance, 26 Respiratory Protection, 27 Risk Assessment and Management, 28 Safety, 30 Thermal Stress Protection and Monitoring, 31 Toxicology, 32 Ventilation
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Central Colorado Industrial Hygiene, LLC, (C,R)
Robert J. Kretvix, CIH
200 S Wilcox Street
Unit 305
Castle Rock, CO 80104-1913
(720) 990-3849
info@ccoih.com
www.ccoih.com
200 S Wilcox Street
Unit 305
Castle Rock, CO 80104-1913
(720) 990-3849
info@ccoih.com
www.ccoih.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 6 Education and Training, 7 Emergency Preparedness and Response, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 17 Legal and Expert Witness, 18 Mold, 21 Personal Protective Equipment, 23 Radiation Protection and Monitoring, 25 Regulatory Compliance, 26 Respiratory Protection, 28 Safety
CTEH, (C)
Cole Ledbetter, CIH
350 Indiana Street
Suite 700
Golden, CO 80401
(501) 337-2900
(501) 801-8501 FAX
cledbetter@cteh.com
www.cteh.com
1 Aerosol and Airborne Particulate Monitoring, 3 Biological Monitoring, 5 Consulting, 6 Education and Training, 7 Emergency Preparedness and Response, 8 Environmental Protection and Monitoring, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 17 Legal and Expert Witness, 18 Mold, 20 OHS Management Systems, Auditing and Compliance, 21 Personal Protective Equipment, 25 Regulatory Compliance, 26 Respiratory Protection, 27 Risk Assessment and Management, 28 Safety, 29 Testing, Certification and Credentialing, 30 Thermal Stress Protection and Monitoring, 31 Toxicology, 32 Ventilation
Insight Exposure & Risk Sciences Group, (C)
Jennifer Sahmel, PhD, CIH, CSP, FAIHA
Shannon H. Gaffney, PhD, MHS, CIH, FAIHA
Brooke Simmons, MPH, CIH
Scott Dotson, PhD, CIH, DABT
Jason Lotter, CIH
Tyler Ferracini
Heather Avens
Joshua Maskrey
Amber Banducci, MPH
Deanna Badger, MS
Stephanie Tack
1790 38th Street
Suite 301
Boulder, CO 80301-2600
(303) 997-5435
laurie.armijo@insightrisk.com
www.insightrisk.com
5 Consulting, 11 Exposure Assessment, 17 Legal and Expert Witness, 27 Risk Assessment and Management
Jeff Pothast & Associates, Inc., (C,R)
Jeff Pothast, CIH, CEO
13595 W. Exposition Drive
Lakewood, CO 80228
(303) 919-1598
jeff@jeffpothast.com
www.jeffpothast.com
13595 W. Exposition Drive
Lakewood, CO 80228
(303) 919-1598
jeff@jeffpothast.com
www.jeffpothast.com
1 Aerosol and Airborne Particulate Monitoring, 3 Biological Monitoring, 5 Consulting, 8 Environmental Protection and Monitoring, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 16 Labs - Health and Safety, Testing, 17 Legal and Expert Witness, 18 Mold, 21 Personal Protective Equipment, 26 Respiratory Protection, 27 Risk Assessment and Management, 30 Thermal Stress Protection and Monitoring, 32 Ventilation, 33 COVID-19
QUEST Environmental, (C,R)
Robert A. Woellner, BA, MS
(Denver Metro Area)
5211 S Quebec Street
Greenwood Village, CO 80111-1802
(303) 935-1573
(303) 935-7955 FAX
admin@questmi.com
www.questmi.com
1 Aerosol and Airborne Particulate Monitoring, 3 Biological Monitoring, 5 Consulting, 6 Education and Training, 11 Exposure Assessment, 12 Gas and Vapor Detection, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 17 Legal and Expert Witness, 18 Mold, 20 OHS Management Systems, Auditing and Compliance, 27 Risk Assessment and Management, 33 COVID-19
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Terracon Consultants, Inc., (C)
Brandy L. Howard, PE, CIH, CSP
10625 W 170 Frontage Road N
Suite 3
Wheat Ridge, CO 80033-1729
(303) 423-3300
(800) 593-7777
(303) 423-3353 FAX
brandy.howard@terracon.com
www.terracon.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 5 Consulting, 6 Education and Training, 8 Environmental Protection and Monitoring, 10 Ergonomics, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 15 Indoor Air Quality, 17 Legal and Expert Witness, 18 Mold, 21 Personal Protective Equipment, 23 Radiation Protection and Monitoring, 25 Regulatory Compliance, 26 Respiratory Protection, 28 Safety