Proficiency testing programs
PTS 35 : Waters - Microbiological analyses except Legionella
Details of the program
PTS created in 2004
ISO/IEC 17043 accredited by COFRAC
27 registered laboratories from 8 countries
Schedule
Sending date
Registration deadline
Code
Matrix
Weight
Accredited
Details
2025/11/17
2025/11/02
0135
Fresh water Coliforms, E. coli, Enterococci
1000 ml
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
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17/11/2025 00:00:00
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17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
2025/11/17
2025/11/02
1035
Fresh water Culturable micro-organisms (22°C and 36°C), SRA Spores
250 ml
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
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17/11/2025 00:00:00
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17/11/2025 00:00:00
17/11/2025 00:00:00
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17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
2025/11/17
2025/11/02
0935
Fresh water Pseudomonas aeruginosa, Staphylococci
500 ml
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
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17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
2025/11/17
2025/11/02
0035
Temperature standard
17/11/2025 00:00:00
17/11/2025 00:00:00
2025/11/17
2025/11/02
0535
Fresh water MPN High level
60 ml
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
17/11/2025 00:00:00
2026/01/26
2026/01/11
0135
Fresh water Coliforms, E. coli, Enterococci
1000 ml
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
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26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
2026/01/26
2026/01/11
1035
Fresh water Culturable micro-organisms (22°C and 36°C), SRA Spores
250 ml
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
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26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
2026/01/26
2026/01/11
0935
Fresh water Pseudomonas aeruginosa, Staphylococci
500 ml
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
2026/01/26
2026/01/11
0035
Temperature standard
26/01/2026 00:00:00
26/01/2026 00:00:00
2026/01/26
2026/01/11
0835
Fresh water MPN Low level
60 ml
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
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26/01/2026 00:00:00
26/01/2026 00:00:00
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26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
26/01/2026 00:00:00
2026/03/23
2026/03/08
0135
Fresh water Coliforms, E. coli, Enterococci
1000 ml
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
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23/03/2026 00:00:00
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23/03/2026 00:00:00
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23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
2026/03/23
2026/03/08
1035
Fresh water Culturable micro-organisms (22°C and 36°C), SRA Spores
250 ml
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
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23/03/2026 00:00:00
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23/03/2026 00:00:00
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23/03/2026 00:00:00
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23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
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23/03/2026 00:00:00
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23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
2026/03/23
2026/03/08
0935
Fresh water Pseudomonas aeruginosa, Staphylococci
500 ml
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
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23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
2026/03/23
2026/03/08
0035
Temperature standard
23/03/2026 00:00:00
23/03/2026 00:00:00
2026/03/23
2026/03/08
0535
Fresh water MPN High level
60 ml
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
23/03/2026 00:00:00
2026/06/15
2026/05/31
0135
Fresh water Coliforms, E. coli, Enterococci
1000 ml
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
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15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
2026/06/15
2026/05/31
1035
Fresh water Culturable micro-organisms (22°C and 36°C), SRA Spores
250 ml
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
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15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
2026/06/15
2026/05/31
0935
Fresh water Pseudomonas aeruginosa, Staphylococci
500 ml
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
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15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
2026/06/15
2026/05/31
0035
Temperature standard
15/06/2026 00:00:00
15/06/2026 00:00:00
2026/06/15
2026/05/31
0835
Fresh water MPN Low level
60 ml
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
15/06/2026 00:00:00
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15/06/2026 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