AIHA Consultants Listing

Whether you are a consumer looking to get advice about hazardous conditions in your home due to fire, flood or other disasters, a municipality needing asbestos removal, or a business requiring an expert witness, AIHA’s Consultants Listing is a quick and simple tool to help you find industrial hygiene and OEHS professionals near you.

AIHA Consultants Listing The Comprehensive Directory of Occupational & Environmental Health and Safety Professionals

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3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

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The Premier Directory of Industrial Hygiene and Occupational and Environmental Health and Safety Consulting Professionals Welcome to the AIHA Consultants Listing—a trusted name that consumers and professionals turn to for accurate and dependable information about industrial hygiene and occupational and environmental health and safety consultants. Since 1979, AIHA has produced and distributed the Consultants Listing, a searchable print and online directory of its consultant members. This listing is the leading directory of industrial hygiene (IH/OEHS) and other occupational and environmental health and safety (OEHS) consultants. It is available to anyone to use FREE of charge. Government agencies such as EPA, FEMA, and OSHA regularly refer consumer inquiries to our consultants for assistance. AIHA’s Consultants Listing is also frequently referenced as a media source for consumers when searching for an IH/OEHS or OEHS consultant. You can also check out the searchable online version of this listing at https://www.aiha.org/consultants- directory. To list your practice, submit the Consultants Listing Order Form. If you need further assistance, please contact Wanda Barbour, +1 703-846-0782.

Whether you are a consumer looking to get advice about hazardous conditions in your home due to fire, flood, or other disasters, a municipality needing asbestos removal, or a business requiring an expert witness, AIHA’s Consultants Listingis a quick and simple tool to help you find industrial hygiene and OEHS professionals near you.

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DISCLAIMER : The American Industrial Hygiene Association, and its directors, officers, employees, members, and agents (collectively “AIHA”), provides the following consultant list to the user for information purposes only, and not as a comprehensive resource, advice, or instruction. While the consultant information contained in the list has been compiled with care, AIHA does not warrant the accuracy of the information contained in the list and does not assume any responsibility for the reliability or usefulness of such information. All users of the consultant list should exercise independent judgment in selecting and using information contained in the consultant list. Users of the consultant list unconditionally agree not to hold AIHA responsible in any manner or to any extent for action(s), or the consequences of such action(s), relating to the use of the information provided in the consultant list.

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Certi fi ed Industrial Hygiene Services

Occupational Health & Safety Indoor Air Quality Evaluations Lead-Based Paint Assessment

Consultation & Research Asbestos Management Laboratory Services

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

Geographical Listing of AIHA Member Consultants

Providing the services that enable communities to flourish and thrive .

Alaska Alabama Arkansas Arizona California Canada Colorado Connecticut Florida Georgia Great Britain Iowa

Missouri Mississippi Montana North Carolina Nebraska New Hampshire New Jersey Nevada New York Ohio Oklahoma Oregon Pennsylvania South Carolina Tennessee Texas Utah Virginia Washington Wisconsin West Virginia

Idaho Illinois Indiana Kansas

Kentucky Louisiana Massachusetts

Atlas is a full-service consulting firm with demonstrated experience providing industrial hygiene, environmental, building sciences, construction materials testing, engineering and design, safety and quality management services. Atlas offers the distinct advantage of having a local presence, fully backed by a network of Certified Industrial Hygienists from across the nation. With over 100 office locations, we have the geographic coverage and range of offerings to support every project need. Industrial Hygiene and Building Science

Maryland Michigan Minnesota

Testing, Inspection & Certification Environmental Solutions Engineering & Design Program/Construction/ Quality Management

2025 Industry Rankings No. 79 ENR’s Top 200 Environmental Firms

Visit oneatlas.com and follow us on LinkedIn | X | Facebook A tlasI H @oneatlas.com

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

NORTECH Inc. Commercial ALASKA

ARKANSAS

NORTECH Inc. Commercial 5438 Shaune Drive Suite B Juneau, AK 99801-9539 USA (907) 586-6813 Fax: (907) 586-6819 Website: www.nortechengr.com Contact: John Michael Hargesheimer, PE, CIH, CSBA , Jennifer Stoutamore Contact Email: marketing@nortechengr.com Specialty: 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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,32 Ventilation,33 COVID-19,

DirectCIH LLC Commercial/Residential 4009 Fairchase Lane Hoover, AL 35244 USA (205) 903-5106 Fax: N/A Website: www.directcih.com Contact: William Frederick Garvin, CIH, QEP Contact Email: bgarvin@directcih.com

CTEH Commercial 5120 Northshore Drive North Little Rock, AR 72118-5315 USA (501) 337-2900 Fax: (501) 801-8501 Website: www.cteh.com Contact: Cole Ledbetter, CIH Contact Email: cledbetter@cteh.com Specialty: 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, HASS Consulting LLC Commercial/Residential 3003 Day Drive Jonesboro, AR 72404-0905 USA (864) 710-2933 Fax: N/A Website: www.hassconsultingllc.com Contact: Robert R. Clark, CIH Contact Email: bobbyclark@hassconsultingllc.com Specialty: 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,18 Mold,21 Personal Protective Equipment,25 Regulatory Compliance,26 Respiratory Protection,28 Safety,32 Ventilation,

3105 Lakeshore Drive Suite A106 Anchorage, AK 99517-2815 USA (907) 222-2445 Fax: (907) 452-5694 Website: www.nortechengr.com Contact: John Michael Hargesheimer, PE, CIH, CSBA , Jennifer Stoutamore Contact Email: marketing@nortechengr.com Specialty: 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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,32 Ventilation,33 COVID-19, NORTECH Inc. Commercial 2400 College Road Fairbanks, AK 99709- 3754 USA (907) 452-5688 Fax: (907) 452-5694 Website: www.nortechengr.com Contact: Jennifer Stoutamore , John Michael Hargesheimer, PE, CIH, CSBA Contact Email: marketing@nortechengr.com Specialty: 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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,32 Ventilation,33 COVID-19,

ALABAMA

KBD Technic Commercial/Residential 3004 Belmont Drive Moody, AL 35004- 3251 USA (828) 779-9853 Fax: N/A Website: www.kbdtechnic.com Contact: Holden Phillips, MPH, CIH Contact Email: hphillips@kbdtechnic.com Specialty: 1 Aerosol and Airborne Particulate

Terracon Consultants Inc. Commercial 2147 Riverchase Office Road Hoover, AL 35244-1836 USA

(205) 942-1289 (800) 593-7777 Fax: (205) 443-5302 Website: www.Terracon.com Contact: Amanda J. McKenney, CIH Contact Email: Amanda.Mckenney@terracon.com Specialty: 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,16 Labs - Health and Safety, Testing,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,35 Museum/Cultural Heritage/ Preservation,

Monitoring,2 Asbestos, Lead and Dust,5 Consulting,6 Education and Training,11 Exposure Assessment,13 Hazard Communication,14 Hearing Conservation and Noise Reduction,15 Indoor Air Quality,18 Mold,20 OHS Management Systems, Auditing and Compliance,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

ARIZONA

Terracon Consultants Inc. Commercial 4685 S Ash Avenue Suite H-4 Tempe, AZ 85282-6767 USA

Kaizen Safety Solutions LLC Commercial/Residential PO Box 42983 Phoenix, AZ 85080-2983 USA

Clark Seif Clark Inc. (CSC) Commercial/Residential 112 S. Kyrene Road Suite 2 Chandler, AZ 85226-4698 USA (480) 460-8334 (800) 807-1118 Fax: N/A Website: www.csceng.com Contact: Derrick Anthony Denis, CIEC, CAC, CIAQP Contact Email: info@csceng.com Specialty: 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,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,19 Occupational Epidemiology,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,33 COVID-19, Dotson Group LLC Commercial/Residential 4400 N. Scottsdale Road Suite 9-906 Scottsdale, AZ 85251 USA (408) 234-1409 Fax: N/A Website: www.dotsongroup.com Contact: Kyle B. Dotson, CIH, CSP, BCEE, FAIHA Contact Email: kyle@dotsongroup.com Specialty: 2 Asbestos, Lead and Dust,5 Consulting,11 Exposure Assessment,13 Hazard Communication,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,

Hutzel & Associates Inc. Commercial/Residential 2425 N. 104th Lane Avondale, AZ 85392 USA (602) 323-0222 Fax: N/A Website: www.hutzel.net Contact: Robert L. Hutzel, CIH, CSP , Enrique Luviano Contact Email: chutzel@hutzel.net Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,4 Biosafety,5 Consulting,6 Education and Training,8 Environmental Protection and Monitoring,10 Ergonomics,11 Exposure Assessment,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,24 Real-time Detection Services and Direct Reading Instruments,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,32 Ventilation,33 COVID-19,

(480) 897-8200 (800) 593-7777 Fax: (480) 897-1123 Website: www.Terracon.com Contact: Eric Lyding, P.E. Contact Email: eric.lyding@terracon.com Specialty: 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,16 Labs - Health and Safety, Testing,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,35 Museum/Cultural Heritage/ Preservation, W.L. Bouchard & Associates Inc. Commercial 11209 North 75th Street Scottsdale, AZ 85260 USA (480) 518-4178 Fax: (480) 905-7164 Website: www.wlbouchard.com Specialty: 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,16 Labs - Health and Safety, Testing,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,33 COVID-19, Contact: Walter L. Bouchard, MPH, CIH Contact Email: walt@wlbouchard.com

(602) 881-3661 (888) 811-1966 Fax: (623) 334-4883 Website: www.kaizensafetysolutions.com Contact: Dawn M. Bolstad-Johnson, MPH, CIH, CSP, FAIHA Contact Email: dbolstad@kaizensafetysolutions.com Specialty: 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,10 Ergonomics,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,19 Occupational Epidemiology,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,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,33 COVID-19,35 Museum/Cultural Heritage/Preservation, Atlas Technical Consultants Commercial 9185 S Farmer Avenue Suite 111 Tempe, AZ 85284-2912 USA (425) 273-3858 (877) 282-4756 Fax: N/A Website: www.oneatlas.com/atlas-industrial-hygiene- services/aiha/ Contact: Catherine G. McLain, CIH , Robyn M. Steiner, MSPH, CIH, CSP , Alex Peck, CIH Contact Email: alex.peck@oneatlas.com Specialty: 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,

CALIFORNIA

DNA Industrial Hygiene Commercial 2520 Artesia Boulevard Redondo Beach, CA 90278-7708 USA (310) 644-1924 (800) 644-1924 Fax: (310) 406-1939 Website: www.dnacih.com Contact: Dan Napier, MS, CIH, CSP, FAIHA , Margaret Norman, JD Contact Email: kasra@cihcsp.com Specialty: 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,19 Occupational Epidemiology,20 OHS Management Systems, Auditing and Compliance,21 Personal Protective Equipment,23 Radiation Protection and Monitoring,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,33 COVID-19,

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

Forensic Analytical Consulting Services Inc. FACS Commercial/Residential 4900 Airport Plaza Drive Suite 115 Long Beach, CA 90815 USA (310) 668-5600 Fax: (310) 763-8684 Website: www.facs.com Contact: Benjamin L. Kollmeyer, MPH, CIH , Lydia Feng, CIH , Madeleine Dangazyan, MS, CIH Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19, Terracon Consultants Inc. Commercial 1220 Concord Avenue Suite 450 Concord, CA 94520 USA (510) 547-7771 (800) 593-7777 Fax: (510) 547-1983 Website: www.terracon.com Contact: Karin M. Schroeter, CIH Contact Email: karin.schroeter@terracon.com Specialty: 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,16 Labs - Health and Safety, Testing,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,35 Museum/Cultural Heritage/ Preservation,

Ramboll Commercial 333 Bush Street Suite 2500 San Francisco, CA 94104 USA (415) 796-1950 Fax: (510) 655-9517 Website: www.ramboll.com/services-and-sectors/ environment-and-health/health-sciences Contact: Theodore A. Bowie, CIH Contact Email: tbowie@ramboll.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,4 Biosafety,6 Education and Training,7 Emergency Preparedness and Response,8 Environmental Protection and Monitoring,10 Ergonomics,11 Exposure Assessment,14 Hearing Conservation and Noise Reduction,16 Labs - Health and Safety, Testing,17 Legal and Expert Witness,18 Mold,19 Occupational Epidemiology,20 OHS Management Systems, Auditing and Compliance,23 Radiation Protection and Monitoring,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,31 Toxicology,32 Ventilation,33 COVID-19, Forensic Analytical Consulting Services Inc. FACS Commercial/Residential 21228 Cabot Boulevard Hayward, CA 94545-1647 USA (510) 266-4600 Fax: (510) 731-0621 Website: www.facs.com Contact: David Kahane, CIH, FAIHA , David Brinkerhoff, CIH Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19,

Aurora Industrial Hygiene Commercial/Residential 9666 Businesspark Avenue, Suite 102 San Diego, CA 92131 USA (619) 276-5901 Fax: (619) 276-5904 Website: www.auroraih.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,5 Consulting,6 Education and Training,7 Emergency Preparedness and Response,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,21 Personal Protective Equipment,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,31 Toxicology, Contact: Karen G. Shockley, CIH Contact Email: info@auroraih.com

SafeBridge Consultants Inc. Commercial 1924 Old Middlefield Way Mountain View, CA 94043-2503 USA (650) 961-4820 Fax: (650) 623-0096 Website: www.safebridge.com Contact: Allan W. Ader, Ph.D., DABT Contact Email: allan.ader@safebridge.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,5 Consulting,6 Education and Training,8 Environmental Protection and Monitoring,11 Exposure Assessment,16 Labs - Health and Safety, Testing,19 Occupational Epidemiology,20 OHS Management Systems, Auditing and Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,31 Toxicology,

Aurora Industrial Hygiene Commercial/Residential 2667 E 28th Street Suite 512 Signal Hill, CA 90755 USA (626) 403-4104 Fax: (619) 276-5904

Aero Environmental Services LLC Commercial/Residential 131 South Glassell Street, Suite A, Orange, CA 92866 USA (714) 516-1812 Fax: (714) 516-1912 Website: www.aero-es.com Contact: Brian Stratouly, PE, CSP, CIH, LEED AP Contact Email: aero@aero-es.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,5 Consulting,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,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,32 Ventilation,

Website: www.auroraih.com Contact: Grace M. Rinck, CIH Contact Email: info@auroraih.com

Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,5 Consulting,6 Education and Training,7 Emergency Preparedness and Response,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,21 Personal Protective Equipment,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,31 Toxicology,

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

Harris & Lee Environmental Sciences LLC Commercial/Residential 120 Ross Valley Drive San Rafael, CA 94901 USA (415) 237-2510 Fax: (866) 873-4631 Website: www.hlenv.com

Pacific EH&S Services Inc. Commercial 322 West Katella Avenue Suite B Orange,

AirQuest Environmental Inc. Commercial/Residential 732 Promontory Trail San Ramon, CA 34583 USA (925) 626-4869 (877) 247-8146 Fax: (954) 792-2221 Website: www.airquestinc.com Contact: James S. Litrides, MS, CIH , Traci-Anne Boyle, CIH, CSP Contact Email: marketing@airquestinc.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,5 Consulting,7 Emergency Preparedness and Response,11 Exposure Assessment,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,27 Risk Assessment and Management,28 Safety, Advanced Environmental Group Inc. Commercial 8 Goodyear Suite 125 Irvine, CA 92618-3761 USA (949) 361-7797 Fax: N/A Website: www.AEGConsultants.com Contact: Matthew Michaelian, CIH, CSP Contact Email: mmichaelian@aegconsultants.com Specialty: 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,19 Occupational Epidemiology,20 OHS Management Systems, Auditing and Compliance,23 Radiation Protection and Monitoring,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,31 Toxicology,32 Ventilation,

Alliance Consulting International Commercial/Residential 3361 28th Street San Diego, CA 92104-4524 USA (619) 297-1469 Fax: N/A Website: www.pulse-point.com Contact: Enrique Medina, MS, CIH, CSP, FAIHA Contact Email: emedina@pulse-point.com Specialty: 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,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,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,33 COVID-19, Analytical Consulting Group Inc. Commercial 1746 F Victoria Avenue Ventura, CA 93003 USA (805) 340-2617 Fax: N/A Website: www.analyticalconsultinggroup.com Contact: Benjamin Regester, CAC , Michael R. Tiffany, CIH, PG Contact Email: info@analyticalconsultinggroup.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,5 Consulting,8 Environmental Protection and Monitoring,11 Exposure Assessment,12 Gas and Vapor Detection,14 Hearing Conservation and Noise Reduction,15 Indoor Air Quality,18 Mold,23 Radiation Protection and Monitoring,24 Real-time Detection Services and Direct Reading Instruments,26 Respiratory Protection,27 Risk Assessment and Management,32 Ventilation,33 COVID-19,

CA 92867 USA (949) 250-6396 (800) 530-9774 Fax: (949) 250-6398

Website: www.pacificehs.com Contact: Timothy J. Morrison, CIH Contact Email: t.morrison@pacificehs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,4 Biosafety,5 Consulting,6 Education and Training,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,23 Radiation Protection and Monitoring,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation, MML Environmental Inc. Commercial/Residential 22201 Shade Tree Lane Lake Forest, CA 92630 USA (310) 490-8141 Fax: (949) 273-8491 Website: www.mmlworkplacesafety.com Contact: Mark M. Levin, JD, MPH, CIH Contact Email: mmlenvironmental@gmail.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,5 Consulting,6 Education and Training,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,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,33 COVID-19,

Contact: Michael R. Cooper, CIH, CSP , Jennifer Mattler Guzman, M.S., M.S., CIH , Cynthia L. Kurtz, CIH , Arlene C. Klonoff, CIH, MPH , Patricia Beach, CIH, MS , Colleen Yeh Thornton, MPH, CIH , Zulma Machillanda-Hahn, MPH, CIH, CSP Contact Email: info@hlenv.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,4 Biosafety,5 Consulting,6 Education and Training,7 Emergency Preparedness and Response,10 Ergonomics,11 Exposure Assessment,13 Hazard Communication,14 Hearing Conservation and Noise Reduction,15 Indoor Air Quality,17 Legal and Expert Witness,19 Occupational Epidemiology,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,31 Toxicology,33 COVID-19, Forensic Analytical Consulting Services Inc. FACS Commercial/Residential 7625 Sunrise Boulevard Suite 104 Citrus Heights, CA 95610-2364 USA (916) 726-1303 Fax: (916) 726-3747 Website: www.facs.com Contact: Sylvia Shiner Fontes Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19,

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

Atlas Technical Consultants Commercial 2001 Crow Canyon Road Suite 210 San Ramon, CA 94583-4218 USA

BSI Consulting Commercial 200 Spectrum Center Dr Ste 300-4023 Irvine, CA 92618-5003 USA (888) 429-6182 Fax: N/A Website: www.bsigroup.com/en-US/products-and-services/ consulting/ Contact: Danie Tan, CIH, CSP , Karina Castillo, CIH Contact Email: consulting@bsigroup.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,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,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation, BSI Consulting Commercial 2150 N 1st St Ste 450 San Jose, CA 95131-2047 USA (888) 429-6182 Fax: N/A Website: www.bsigroup.com/en-US/products-and-services/ consulting/ Contact: Danie Tan, CIH, CSP , Karina Castillo, CIH Contact Email: consulting@bsigroup.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,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,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,

California Industrial Hygiene Services Inc. Commercial 1011 Park Lane, Suite A Suisun City, CA 94585 USA (707) 425-5899 Fax: N/A

Citadel EHS Inc. Commercial 3180 University Avenue Suite 330 San Diego, CA 92104- 3004 USA (858) 463-8159 Fax: N/A Website: www.citadelehs.com Contact: Adrian Olivares, MPH, CIH Contact Email: aolivares@citadelehs.com Specialty: 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,16 Labs - Health and Safety, Testing,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,31 Toxicology,32 Ventilation,33 COVID-19,34 Cannabis,35 Museum/Cultural Heritage/Preservation, Citadel EHS Inc. Commercial 1371 Oakland Boulevard Suite 100 Walnut Creek, CA 94596-8407 USA (818) 246-2707 Fax: N/A Website: www.citadelehs.com Contact: Scott B. Brehmer, CIH, CSP Contact Email: sbrehmer@citadelehs.com Specialty: 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,16 Labs - Health and Safety, Testing,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,31 Toxicology,32 Ventilation,33 COVID-19,34 Cannabis,35 Museum/Cultural Heritage/Preservation,

(425) 273-3858 (877) 282-4756 Fax: N/A Website: www.oneatlas.com/atlas-industrial-hygiene- services/aiha/ Contact: Robyn M. Steiner, MSPH, CIH, CSP , Catherine G. McLain, CIH , Alex Peck, CIH Contact Email: alex.peck@oneatlas.com Specialty: 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, BSI Consulting Commercial 1111 Broadway Fl 3 Oakland, CA 94607- 4139 USA (888) 429-6182 Fax: N/A Website: www.bsigroup.com/en-US/products-and-services/ consulting/ Contact: Karina Castillo, CIH , Danie Tan, CIH, CSP Contact Email: consulting@bsigroup.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,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,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,

Website: www.cihservices.com Contact: Roxanne Fynboh, CIH Contact Email: rfynboh@cihservices.com

Specialty: 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,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,27 Risk Assessment and Management,30 Thermal Stress Protection and Monitoring,31 Toxicology,32 Ventilation,33 COVID-19,34 Cannabis, Citadel EHS Inc. Commercial 1725 Victory Boulevard Glendale, CA 91201-2833 USA (818) 246-2707 Fax: N/A Website: www.citadelehs.com Contact: Scott B. Brehmer, CIH, CSP , Rodulfo Castro, MS, CIH, CSP, CHST Contact Email: sbrehmer@citadelehs.com Specialty: 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,16 Labs - Health and Safety, Testing,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,31 Toxicology,32 Ventilation,33 COVID-19,34 Cannabis,35 Museum/Cultural Heritage/Preservation,

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

Geographical Listing

Citadel EHS Inc. Commercial 2 Peters Canyon Road Suite 200 Irvine, CA 92606-1798 USA (714) 547-4301 Fax: N/A Website: www.citadelehs.com Contact: Scott B. Brehmer, CIH, CSP , Rodulfo Castro, MS, CIH, CSP, CHST Contact Email: sbrehmer@citadelehs.com Specialty: 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,16 Labs - Health and Safety, Testing,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,31 Toxicology,32 Ventilation,33 COVID-19,34 Cannabis,35 Museum/Cultural Heritage/Preservation, EMS Safety Solutions Commercial 5503 Graywood Avenue Lakewood, CA 90712-1848 USA (562) 322-8805 Fax: N/A Website: www.emssafetysolutions.com Contact: Ernesto M. Solorzano Jr. Contact Email: ernesto@ernestosafety.com Specialty: 5 Consulting,6 Education and Training,7 Emergency Preparedness and Response,10 Ergonomics,13 Hazard Communication,14 Hearing Conservation and Noise Reduction,20 OHS Management Systems, Auditing and Compliance,21 Personal Protective Equipment,25 Regulatory Compliance,26 Respiratory Protection,27 Risk Assessment and Management,28 Safety,

Forensic Analytical Consulting Services Inc. FACS Commercial/Residential 313 Banner Court Suite B Modesto, CA 95356 USA (209) 551-2000 Fax: N/A Website: www.facs.com Contact: Sylvia Shiner Fontes Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19, Forensic Analytical Consulting Contact: Sylvia Shiner Fontes Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19, Services Inc. FACS Commercial/Residential 2440 W Shaw Avenue Suite 105 Fresno, CA 93711 USA (559) 436-0277 Fax: N/A Website: www.facs.com

Forensic Analytical Consulting Services Inc. FACS Commercial/Residential 200 New Stine Road Suite 158 Bakersfield, CA 93309 USA (661) 735-7779 Fax: N/A Website: www.facs.com Contact: Michelle C. Rosales, MPH, CIH Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19, Forensic Analytical Consulting Services Inc. FACS Commercial/Residential 3111 Camino Del Rio N Suite 426 San Diego, CA 92108 USA (858) 859-3322 Fax: N/A Website: www.facs.com Contact: Megan Canright Racicot, MPH, CIH Contact Email: info@facs.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,3 Biological Monitoring,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,16 Labs - Health and Safety, Testing,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,27 Risk Assessment and Management,28 Safety,29 Testing, Certification and Credentialing,32 Ventilation,33 COVID-19,

Health Science Associates Commercial/Residential 10771 Noel Street Los Alamitos, CA 90720 USA (714) 220-3922 (855) 633-1366 Fax: N/A Website: www.healthscience.com Contact: Howard B. Spielman, CIH, CSP, SMS, REHS-ret, FAIHA , Joel Berman, CIH, CSP, CIAQM Contact Email: hberman@healthscience.com Specialty: 1 Aerosol and Airborne Particulate Monitoring,2 Asbestos, Lead and Dust,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,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, (949) 697-5457 (929) 429-0209 Fax: N/A Website: www.hracih.com Contact: Hamid Arabzadeh, MS, CIH, CSP, CHMM, FAIHA, CAC Contact Email: Info@hracih.com Specialty: 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,16 Labs - Health and Safety, Testing,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, HRA Environmental Consultants Inc. Commercial/Residential 5319 University Drive Suite 319 Irvine, CA 92612 USA

The American Industrial Hygiene Association 3120 Fairview Park Drive, Suite 360 | Falls Church, VA 22042 | (703) 849-8888

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