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. 

Analytes offered

  • Bis (1,3-dichloro-2-propyl) phosphate (BDCPP)
  • Bis (2-propylheptyl) phthalate (DPhP)
  • Bisphenol A
  • Bisphenol F (4,4’-Methylenediphenol)
  • Bisphenol S (4,4’-Sulfonyldiphenol)
  • Bisphenol Z (4,4’-Cyclohexylidenebisphenol)
  • 2-Hydroxyfluorene
  • 3-Hydroxyfluorene
  • 9-Hydroxyfluorene
  • 1-Hydroxyphenanthrene
  • 2-Hydroxyphenanthrene
  • 3-Hydroxyphenanthrene
  • 4-Hydroxyphenanthrene
  • 1-Hydroxypyrene
  • 1-Naphtol
  • 2-Naphtol
  • Triclosan