Proficiency testing programs

PTS 19e : Pesticides - Vegetables: nitrates and bromides

PTS created in 2008

ISO/IEC 17043 accredited by COFRAC

60 registered laboratories from 16 countries

Sending date	Registration deadline	Code	Matrix	Weight
2024/08/26	2024/08/11	0619	Lettuce Nitrates and bromides	110 g
26/08/2024 00:00:00
26/08/2024 00:00:00
26/08/2024 00:00:00
2025/02/03	2025/01/19	2719	Endive Nitrates and bromides	110 g
03/02/2025 00:00:00
03/02/2025 00:00:00
03/02/2025 00:00:00
2025/05/12	2025/04/27	7019	Apple / Nitrates and bromides	110 g
12/05/2025 00:00:00
12/05/2025 00:00:00
12/05/2025 00:00:00

In addition to the offered parameters, a blind molecule is proposed for each round.

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