With respect to the maximum levels.    ,

< 5 %,,
,– 20 % to + 20 %,
< 20 %,,
< 25 %,< 15 %,
    Sufficient number of mass fragments with relative intensity > 10 % available, therefore not recommendable to use qualifier ion(s) with a relative intensity of less than 10 % compared to the target ion.    ,

> 50 %,± 10 %,± 20 %,
> 20 % to 50 %,± 15 %,± 25 %,
> 10 % to 20 %,± 20 %,± 30 %,
≤ 10 %,± 50 % ,± 50 % ,
– 30 to + 30 %,
≤ 20 %,
≤ 20 %,


2,3,7,8-TCDD,1,,,
1,2,3,7,8-PeCDD,1, Non-ortho PCBs ,,
1,2,3,4,7,8-HxCDD,0,1,PCB 77,0,0001,
1,2,3,6,7,8-HxCDD,0,1,PCB 81,0,0003,
1,2,3,7,8,9-HxCDD,0,1,PCB 126,0,1,
1,2,3,4,6,7,8-HpCDD,0,01,PCB 169,0,03,
OCDD,0,0003,,,
,, Mono-ortho PCBs ,,
2,3,7,8-TCDF,0,1,PCB 105,0,00003,
1,2,3,7,8-PeCDF,0,03,PCB 114,0,00003,
2,3,4,7,8-PeCDF,0,3,PCB 118,0,00003,
1,2,3,4,7,8-HxCDF,0,1,PCB 123,0,00003,
1,2,3,6,7,8-HxCDF,0,1,PCB 156,0,00003,
1,2,3,7,8,9-HxCDF,0,1,PCB 157,0,00003,
2,3,4,6,7,8-HxCDF,0,1,PCB 167,0,00003,
1,2,3,4,6,7,8-HpCDF,0,01,PCB 189,0,00003,
1,2,3,4,7,8,9-HpCDF,0,01,,,
OCDF,0,0003,,,