Wastewater Testing Labs in United States
4 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform Wastewater testing. Most frequently tested analytes in this matrix in United States: Alkalinity, Anionic Detergents, Beryllium. Accredited providers include Tyson Food Safety & Laboratory Services Regional Laboratory - River Valley also doing business as WBA Analytical, ALS LS PERÚ S.A.C., Merieux NutriSciences Chile, Laboratorio Lasa. Sites located in Scranton, AR, Arequipa, Rancagua, Quito.
Accredited Labs
(A2LA Cert. No. 2843.01) 06/12/2025 Page 2 of 3
(A2LA Cert. No. 6172.05) 3/3/2026 Page 5 of 6 Test(s)/Technology(ies) Test Method(s) Matrix(ces) Determination of Weight: PM 10 Filters (High Volume) (Gravimetric) EPA/625/R-96/010a - Compendium Method IO-
(A2LA Cert. No. 5965.02) 03/31/2025 Page 24 of 27 Test/Technology Test Method(s) Wastewater Ammoniacal Nitrogen NCh2313/16-2010 Officialized in 2014 Biochemic
(A2LA Cert. No. 5524.02) Revised 02/24/2026 Page 7 of 20 Test Internal Method(s) Reference Method(s) Matrices Beryllium by ICP - MS PEE.LASA.INS.09 EP
Top analytes for Wastewater in United States
- Alkalinity (1)
- Anionic Detergents (1)
- Beryllium (1)
- Biochemical Oxygen Demand (1)
- Dissolved Metals (1)
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.