OSEQAS: External Quality Assessment Scheme for Organic Substances in Urine
This program was initiated as a test round in the summer of 2015. Substances in urine include Bisphenol-A, Triclosan, selected chlorophenols and hydroxyl-PAHs.
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- Calendar 2025
- Participant’s Guide
- For a registration request, please complete the online form
Analytes offered
Bisphenols
- Bisphenol A
- Bisphenol B
- Bisphenol F
- Bisphenol S
- Bisphenol Z
Pesticides
- Triclosan
- Glyphosate
- AMPA (Aminomethylphosphoric acid)
- Acide 2,4-dichlorophénoxyacétique (2,4-D)
- 2,4-Dichlorophenoxyacetic acid(2,4-D)
- 2,5-Dichlorophenol (2,4-DCP)
- 2,5-Dichlorophenol (2,5-DCP)
- 4-OH-imidacloprid
- 5-OH-imidacloprid
- Acetamiprid
- Clothianidin
- Acetamiprid-desmethyl
- Clothianidin-desmethyl
- Thiamethoxam-desmethyl
- Dinotefuran
- Imidacloprid
- Nitenpyram
- Sulfoxaflor
- Thiacloprid
- Thiamethoxam
Hydroxy-PAH
- 2-OH-Fluorene
- 3-OH-Fluorene
- 9-OH-Fluorene
- 1-OH-Phenanthrene
- 2-OH-Phenanthrene
- 3-OH-Phenanthrene
- 4-OH-Phenanthrene
- 1-OH-Pyrene
- 2-Naphtol
Flame retardants
- Bis (1,3-dichloro-2-propyl) phosphate (BDCPP)
- Diphenyle phosphate (DPhP)
- Bis(1-chloro-2-propyl) phosphate (BCPP)
- Bis(2-chloroethyl) phosphate (BCEtP)
Paraben
- Ethyl paraben
- Methyl paraben
- Propyle paraben
- Butyl paraben
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