Proficiency testing programs
PTS 28 : Patulin determination
Details of the program
PTS created in 2004
ISO/IEC 17043 accredited by COFRAC
3 registered laboratories from 3 countries
Schedule
Sending date
Registration deadline
Code
Matrix
Weight
Accredited
Details
2026/10/26
2026/10/11
0528
Multifruits compote
200 g
26/10/2026 00:00:00
26/10/2026 00:00:00
2027/02/01
2027/01/17
0128
Apple juice
200 mL
01/02/2027 00:00:00
01/02/2027 00:00:00
2027/04/12
2027/03/28
0728
Apple
200 g
12/04/2027 00:00:00
12/04/2027 00:00:00
12/04/2027 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