Proficiency testing programs
PTS 48a : Waters - AOX
Details of the program
PTS created in 2010
ISO/IEC 17043 accredited by COFRAC
27 registered laboratories from 15 countries
Schedule
Sending date
Registration deadline
Code
Matrix
Weight
Accredited
Details
2025/09/02
2025/08/18
0848
Waste water (inlet) AOX
500 mL
02/09/2025 00:00:00
02/09/2025 00:00:00
2025/10/21
2025/10/06
1748
Mineral water AOX
500 mL
21/10/2025 00:00:00
21/10/2025 00:00:00
2025/12/09
2025/11/24
0448
Waste water (outlet) AOX
500 mL
09/12/2025 00:00:00
09/12/2025 00:00:00
2026/01/27
2026/01/12
0248
Feed water AOX
500 mL
27/01/2026 00:00:00
27/01/2026 00:00:00
2026/04/08
2026/03/24
0448
Waste water (outlet) AOX
500 mL
08/04/2026 00:00:00
08/04/2026 00:00:00
2026/06/09
2026/05/25
0248
Feed water AOX
500 mL
09/06/2026 00:00:00
09/06/2026 00:00:00
Shipment information
Samples sent by express carrier
DAP Incoterm
Delivery of samples in Europe + USA at D+1
Other countries between D+2 and D+5
Samples marked with
are sent frozen / refrigerated
Matrices and analytes may be changed or removed for technical or scientific reasons.
Some samples are sent frozen / refrigerated