Parameter | standard deviation for proficiency assessment based on the target value |
Lower limit |
---|---|---|
Bromodichloromethane | 12 % | 0.15 µg/L |
Dibromochloromethane | 12 % | 0.2 µg/L |
1,2-Dichloroethane | 13 % | 0.5 µg/L |
1,1-Dichloroethene | 16 % | 0.25 µg/L |
cis-1,2-Dichloroethene | 14 % | 0.15 µg/L |
trans-1,2-Dichloroethene | 14 % | 0.15 µg/L |
Dichloromethane | 14 % | 1 µg/L |
Tetrachloroethene | 15 % | 0.15 µg/L |
Tetrachloromethane | 14 % | 0.15 µg/L |
Tribromomethane | 13 % | 0.2 µg/L |
1,1,1-Trichloroethane | 12 % | 0.15 µg/L |
Trichloroethene | 14 % | 0.15 µg/L |
Trichloromethane | 13 % | 0.15 µg/L |
Round | Registration deadline | Dispatch | Organisation | Samples | Closing date |
---|---|---|---|---|---|
C70 | 26.02.2024*) | 11.03.2024 | IFA | synthetic | 12.04.2024 |
C71 | 07.05.2024*) | 21.05.2024 | UBA | natural samples | 25.06.2024 |
C-CB11 | 30.09.2024*) | 14.10.2024 | IFA | synthetic | 15.11.2024 |
The proficiency tests VHH and BTEX & MTBE in real water samples (UBA) will be offered in an alternation mode.
In 2024 VHH are offered and a proficiency test for BTEX & MTBE for real water samples will take place in 2025.