Biphenyl in fresh waters

These interlaboratory comparisons (AGLAE's programme ‘25A’) in surface waters are provided in the frame of:

• accreditation scopes related to physico-chemical analyses in waters (check AGLAE's accreditation - Cofrac No. 1-1664)
• approvals issued by Departments of environment
• European Directives such as the Directive on water pollution by discharges of certain dangerous substances and the Water Framework Directive