Proficiency testing programs
PTS 50a : Cooling tower waters - Microbiological analyses Legionella
Details of the program
PTS created in 2011
ISO/IEC 17043 accredited by COFRAC
27 registered laboratories from 6 countries
Schedule
Sending date
Registration deadline
Code
Matrix
Weight
Accredited
Details
2025/09/30
2025/09/15
0250
Waste water Legionella -Synthetic water
1050 ml
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
30/09/2025 00:00:00
2025/09/30
2025/09/15
0050
Temperature standard
30/09/2025 00:00:00
30/09/2025 00:00:00
2026/02/09
2026/01/25
0250
Waste water Legionella -Synthetic water
1050 ml
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
09/02/2026 00:00:00
2026/02/09
2026/01/25
0050
Temperature standard
09/02/2026 00:00:00
09/02/2026 00:00:00
2026/05/19
2026/05/04
0250
Waste water Legionella -Synthetic water
1050 ml
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
19/05/2026 00:00:00
2026/05/19
2026/05/04
0050
Temperature standard
19/05/2026 00:00:00
19/05/2026 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