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Drinking water Testing Labs in United States

124 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform Drinking water testing. Common methods used to test Drinking water in United States: epa-300-0, epa-200-8, astm-d698. Most frequently tested analytes in this matrix in United States: Per- And Polyfluoroalkyl Substances (Pfas), Metals, Ph. Accredited providers include ALS Food Chile, Laboratorio Lasa, Element Materials Technology - Lafayette, Al Futtaim Element Materials Technology Dubai, Certerra Northwest. Sites located in Houston, TX, Huechuraba, Santiago, Quito, Lafayette, LA, Dubai.

Labs
124
Top method
epa-300-0
7 labs
Top analyte
Per- And Polyfluoroalkyl Substances (Pfas)
5 labs
Primary AB
A2LA
124 labs

Accredited Labs

ALS Food Chile
Huechuraba, Santiago, US

(A2LA Cert. No. 4057.01) Revised 10/14/2025 Page 2 of 9 Test/Technology/Matrix(ces) Test Method Nutritional Facts Determination in Food, Food Processed, and Raw Materials Ash CQ-QCA-007-T Carbohydrates, Availabl

Laboratorio Lasa
Quito, US

(A2LA Cert. No. 5524.02) Revised 02/24/2026 Page 19 of 20 Test Internal Method(s) Reference Method(s) Matrices Organochlorine Pesticides by GC - ECD 4

Element Materials Technology - Lafayette
Lafayette, LA, US

(A2LA Cert. No. 6190.01) 07/18/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ELEMENT MATERIALS TECHNOLOG

Al Futtaim Element Materials Technology Dubai
Dubai, US

(A2LA Cert. No. 7583.01) Revised 05/30/2025 Page 2 of 3 Test: Test Method(s)1: Windows, Doors, & Curtain Walls (cont’d) Structural performance by uniform static air pressure difference /

Certerra Northwest
Bellingham, WA, US

(A2LA Cert. No. 0489.01) 03/31/2025 Page 5 of 5 Test Method: Test Description: AWS D1.8 Structural Welding Code –Seismic Supplement (Clause 7, Inspection) AISC 341, Chapter J (QC and QA) Seismic Provisions fo

Quality Assurance and Testing Center 3 (QUATEST 3)
Dong Nai Province, US

(A2LA Cert. No. 3477.01) 11/12/2025 Page 10 of 11 Program Name Sample Matrix Techniques Used to Determine Assigned Values / Uncertainty 25. Microbiology in Water 25.1 Total plate count (Enumeration) 25.2 Coliforms (

Accuon Labs Inc
Hauppauge, NY, US

(A2LA Cert. No. 5898.01) 08/26/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ACCUON LABS INC. 25 Suffolk Ct Hauppauge, New York, 11747 Shailaja Pailla Phone: 631-656-4958

Architectural Testing, Inc. (An Intertek Company)- Plano
PLANO, TX, US

(A2LA Cert. No. 7250.06) Revised 11/13/2025 Page 2 of 3 Test: Test Description: ASTM E72 Standard test methods of conducting strength tests of panels for building constru

Alpha Technologies Services
Hudson, OH, US

(A2LA Cert. No. 2017.01) 06/09/2025 Page 2 of 7 II. Mechanical Parameter/Equipment Range CMC2, 4, 5 () Comments Torque – Static (clockwise, counter- clockwise) Dynamic 3 (clockwise, counter- clockwise)

Atlas Technical Consultants
Houston, TX, US

(A2LA Cert. No. 5454.01) Revised 03/28/2025 Page 2 of 2 Test Method: Test Description: Bituminous (Continued): TEX-241-F Compacting Bituminous Specimens Using th

Brookside Laboratories, Inc.
New Bremen, OH, US

(A2LA Cert. No. 0736.01) 04/17/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BROOKSIDE LABORATORIES, INC. 200 White Mountain Drive New Bremen, OH 45869 Jackie Brackman Phone: 419 977 2766 GE

Enthalpy Analytical
El Dorado Hills, CA, US

(A2LA Cert. No. 3091.01) Revised 10/31/2025 Page 8 of 11 Parameter/Analyte Potable Water Non-Potable Water Solid Hazardous Waste (Liquids and Solids) Biological Tissue N-methy

Columbia West Engineering
Vancouver, WA, US

(A2LA Cert. No. 2922.01) 03/20/2024 Page 3 of 3 Test Method: Test Description: AASHTO R058 Dry Preparation of Disturbed Soil and Soil-Aggregate Samples for Test AASHTO T088 Particle Size Analysis of Soils AASHTO T089 Determining the

Atlas Technical Consultants LLC.
Redmond, WA, US

(A2LA Cert. No. 3381.01) 01/17/2025 Page 2 of 3 Test Method: Test Description: Concrete (continued): ASTM C138/C138M1 Density (Unit Weight), Yield, & Air Content (Grav

Boston Analytical Inc. dba BA Sciences
Salem, NH, US

(A2LA Cert. No. 4686.01) 01/27/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BOSTON ANALY

Center For Analytical Chemistry California Department of Food and Agriculture
Sacramento, CA, US

(A2LA Cert. No. 2181.01) 09/24/2024 Page 1 of 5 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 CENTER FOR ANALYTICAL CHEMISTRY CALIFORNIA DEPARTMENT OF FOOD AND AGRICULTURE 3292 Meadowview

AL BARAHA TECHNICAL
Doha, US

(A2LA Cert. No. 4881.01) 12/30/2024 Page 3 of 7 Test Method: Test Description: ASTM D6857 Maximum Specific Gravity and Density of Asphalt Mixture

A&R Engineering and Testing
Houston, TX, US

(A2LA Cert. No. 2021.02) 06/30/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 A&R ENGINEERING AND TESTING, INC. 323 Martin

ANALYTICAL LABORATORY EIRL
Lima, US

(A2LA Cert. No. 6032.01) Revised 11/06/2025 Page 18 of 22 Parameter/Equipment Range CMC2, 5 () Comments Spectrophotometers 3 – (cont) Absorbance 590 nm: 0.2874 A 0.5566 A 1.0839 A 635 nm: 0

ChemTrace
Portland, OR, US

(A2LA Cert. No. 2252.02) 03/17/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 CHEMTRACE 12130 NE Ainsworth Circle, Suite 210 Portland, OR 97220 Patrick Taylor Phone: 503-258-4067 patrick.taylor

Midwest Analytical Services
Ferndale, MI, US

(A2LA Cert No. 0381.01) REVISED 01/16/2026 Page 5 of 6 Parameter/Analyte Potable Water Nonpotable Water Solid Hazardous Waste Aqueous Solid Nitrobenzene - - - - - - - - - - EPA 625.1 - - - - - - - - - - - - - - - - - - - - 2-Nitr

AmSpec
Memphis, TN, US

(A2LA Cert. No. 4139.20) 10/09/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AMSPEC LLC 2308 E. Burton St. Sulphur, LA 70663 Shauna Sarver Phone: (337) 533-8470 CHEMICAL Valid To: December 31,

TAAG LABS S.A.
Santiago, US

(A2LA Cert. No. 5749.01) 10/01/2025 Page 2 of 2 Test/Technology(ies) Test Method Coliforms and Escherichia coli Enumeration – Easy Plate Method I-PT-85; AOAC PTM 031601 / Mic

Atlas Weathering Services Group
Miami, FL, US

(A2LA Cert. No. 0717.05) 07/02/2024 Page 5 of 7 FLTM (Ford Laboratory Test Methods) FLTM BO 101-01 Resistance to Artificial Weathering FLTM BI 103-01 Salt Spray Resistance Test for Painted Panels and Parts FLTM BI 110-01 Measurement

Showing labs 101124 of 124. Use pagination below to see more.

Top methods used to test Drinking water in United States

Top analytes for Drinking water in United States

  • Per- And Polyfluoroalkyl Substances (Pfas) (5)
  • Metals (4)
  • Ph (4)
  • Copper (3)
  • Benzene (3)

About ISO/IEC 17025 in United States

American Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.

ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.

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All accredited testing labs in United States