Proficiency testing programs
PTS 34c : Fresh waters - Chlorophyll A, Pheopigment index
Details of the program
PTS created in 2016
ISO/IEC 17043 accredited by COFRAC
8 registered laboratories from 3 countries
Schedule
Sending date
Registration deadline
Code
Matrix
Weight
Accredited
Details
2026/09/23
2026/09/08
4234
Surface water Chlorophyll
1 l
23/09/2026 00:00:00
23/09/2026 00:00:00
23/09/2026 00:00:00
2027/01/20
2027/01/05
4234
Surface water Chlorophyll
1 l
20/01/2027 00:00:00
20/01/2027 00:00:00
20/01/2027 00:00:00
2027/03/17
2027/03/02
4234
Surface water Chlorophyll
1 l
17/03/2027 00:00:00
17/03/2027 00:00:00
17/03/2027 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