Division 7.3 F1

Requirements for methods using all six isotope-labelled non-dioxin-like PCB congeners

1. (a)

   results shall be corrected for recoveries of internal standards;

2. (b)

   recoveries of isotope-labelled internal standards shall be between 60 and 120 %;

3. (c)

   lower or higher recoveries for individual congeners with a contribution to the sum of non-dioxin-like PCBs below 10 % are acceptable.