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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 Wednesday, January 20, 2021

Laboratory Location Expiration Accreditation Type
ATC Group Services, LLC Columbia, MD 06/14/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
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 07/12/2021 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 03/29/2021 Field Inspection Audit Only (E329)
ECS Mid-Atlantic, LLC Fredericksburg, VA 09/04/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
ECS Mid-Atlantic, LLC Chantilly, VA 01/04/2022 Field Inspection (E329), Concrete (C1077), Soils (D3740), Masonry (C1093)
ECS Mid-Atlantic, LLC Frederick, MD 11/30/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
ECS Mid-Atlantic, LLC Hanover, MD 06/17/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
ECS Mid-Atlantic, LLC National Harbor, MD 04/29/2022 Field Inspection Audit Only (E329)
EM Tech Manassas, VA 09/03/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
EnCon Consulting Services, Inc. Chantilly, VA 06/14/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Froehling & Robertson, Inc. Jessup, MD 07/12/2021 Inspection Only (E329), Field Inspection (E329), Soils (D3740), Concrete (C1077)
Froehling & Robertson, Inc. Dulles/Sterling, VA 06/17/2022 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 04/01/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Geo-Technology Associates Sterling , VA 08/16/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
GeoPotential Consulting Sterling, VA 02/21/2022 Soils (D3740), Field Inspection (E329), Concrete (C1077)
Geotechnical Solutions Chantilly, VA 05/27/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Global Geotechnical Consultants Woodbridge, VA 06/16/2023 Concrete (C1077), Field Inspection (E329)
Hillis-Carnes Engineering Ashland, VA 08/18/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Kim Engineering Beltsville, MD 06/03/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
MTI Engineering and Testing, Inc. Vienna, VA 07/05/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Meyer Consulting Engineers Rockville, MD 09/23/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Professional Service Industries Fairfax, VA 03/06/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Schnabel Engineering, LLC Baltimore, MD 03/25/2023 Soils (D3740), Concrete (C1077), 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 03/06/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Terracon Consultants Ashburn, VA 01/04/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Terracon Consultants Woodbridge, VA 11/05/2022 Field Inspection Audit Only (E329)
The Robert B. Balter Company Owings Mills, MD 04/23/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Triad Engineering, Inc. Winchester, VA 01/08/2023 Soils (D3740), Concrete (C1077), Field Inspection (E329)
Triad Engineering, Inc. Sterling, VA 09/12/2022 Field Inspection Audit Only (E329)
Universal Engineering Sciences Chantilly, VA 10/25/2022 Soils (D3740), Concrete (C1077), Field Inspection (E329)
WDP & Associates Manassas, VA 11/15/2021 Soils (D3740), Concrete (C1077), Field Inspection (E329)
William Channing Blackwell, P.E. Gainesville, VA 07/30/2022 Field Inspection Audit Only (E329)