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Accredited Laboratories and Audited Inspection Agencies

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Please note: An audited inspection agency has not been accredited by WACEL. These agencies either do not provide laboratory testing services or have a laboratory that has been accredited by an agency recognized by WACEL as equivalent of the WACEL Accreditation Program.

WACEL Accredited Laboratories and Audited Inspection Agencies as of Monday, December 5, 2022

Laboratory Location Expiration Accreditation Type
CTL Engineering, Inc. Manassas, VA 09/30/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Clendenin Consulting Leesburg, VA 01/28/2023 Field Inspection Audit Only (E329)
DMY Engineering Consultants Chantilly, VA 11/23/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Dulles Geotechnical & Materials Chantilly, VA 03/02/2023 Concrete (C1077), Soils (D3740), Field Inspection (E329)
ECS Capitol Services, PLLC Washington, DC 05/19/2024 Field Inspection Audit Only (E329)
ECS Mid-Atlantic, LLC Fredericksburg, VA 01/25/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)
ECS Mid-Atlantic, LLC Chantilly, VA 01/18/2025 Field Inspection (E329), Concrete (C1077), Soils (D3740), Masonry (C1093)
EM Tech Manassas, VA 09/03/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
EnCon Consulting Services, Inc. Chantilly, VA 07/11/2025 Soils (D3740), Concrete (C1077), Field Inspection (E329)
FMC & Associates, LLC Washington, DC 03/16/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Froehling & Robertson, Inc. Columbia, MD 10/07/2024 Inspection Only (E329), Soils (D3740), Concrete (C1077), Field Inspection (E329)
Froehling & Robertson, Inc. Fredericksburg, VA 04/02/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Geo-Technology Associates Laurel, MD 07/23/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Geo-Technology Associates Sterling , VA 01/23/2025 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Geotechnical Solutions, Inc. Chantilly, VA 12/20/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Global Geotechnical Consultants Woodbridge, VA 06/16/2023 Concrete (C1077), Field Inspection (E329), Soils (D3740)
Hillis-Carnes Engineering Annapolis Junction, MD 11/24/2023 Field Inspection (E329), Concrete (C1077), Soils (D3740)
Hillis-Carnes Engineering Chantilly, VA 12/13/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Hillis-Carnes Engineering Ashland, VA 08/18/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Independent Consultants & Engineers Upper Marlboro, MD 03/30/2024 Field Inspection (E329), Soils (D3740), Concrete (C1077)
Kim Engineering Beltsville, MD 07/17/2025 Soils (D3740), Concrete (C1077), Field Inspection (E329)
MTI Engineering and Testing, Inc. Vienna, VA 07/25/2025 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Meyer Consulting Engineers Rockville, MD 09/23/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Schnabel Engineering, LLC Baltimore, MD 03/25/2023 Soils (D3740), Field Inspection (E329)
Smislova, Kehnemui & Associates dba SK&A Potomac, MD 09/10/2023 Concrete (C1077), Field Inspection (E329)
Specialized Engineering Frederick, MD 12/13/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Specialized Engineering Hanover, MD 12/20/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Stevenson Consulting, Inc. Columbia, MD 07/08/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Stevenson Consulting, Inc. Chantilly, VA 04/07/2025 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Terracon Consultants Ashburn, VA 01/04/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
The Robert B. Balter Company Owings Mills, MD 08/17/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Triad Engineering, Inc. Winchester, VA 01/08/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
WDP & Associates Consulting Engineers, Inc. Manassas, VA 11/22/2024 Soils (D3740), Concrete (C1077), Field Inspection (E329)