PRODUCT CONFORMITY CERTIFICATE This is to certify that the GC 866 FID airmoVOC (Model A21022) Manufactured by: airmotec AG (Chromatotec Group) 15, Rue d’Artiguelongue Saint’-Antoine 33240 Val de Virvée France has been assessed by CSA Group and for the conditions stated on this certificate complies with: ‘MCERTS performance standards for ambient monitoring equipment’ - Published 6 December 2022 EN 15267-1:2009, EN 15267-2:2009 & EN 14662-3:2015 – QAL1 Certification ranges: Airborne Benzene Vapour : Project number: Certificate number: Initial certification: This certificate issued: Renewal date: Andrew Young Environmental Team Manager MCERTS is operated on behalf of the Environment Agency by CSA Group Testing UK Ltd Unit 6, Hawarden Industrial Park Hawarden, Deeside, CH5 3US Tel: +44 (0)1244 670 900 The MCERTS certificate consists of this document in its entirety. For conditions of use, please consider all the information within. This certificate may only be reproduced in its entirety and without change To authenticate the validity of this certificate please visit www.csagroupuk.org/mcerts

Certificate No: This certificate issued: CSA MC130231/07 16 September 2025 This certificate may only be reproduced in its entirety and without change To authenticate the validity of this certificate please visit www.csagroupuk.org/mcerts

Product Certified The Chromatotec® GC 866 FID airmoVOC (Model A21022) benzene measuring system consists of the following parts: • Pneumatic valve: 6 ports • Analytical column: capillary metallic column • Detector: Flame ionisation detector (FID) • Vistachrom software version 1.49 This certificate applies to all instruments fitted with software version Vistachrom 1.49 (serial number 20190309) onwards. This certificate issued: 16 September 2025 This certificate may only be reproduced in its entirety and without change To authenticate the validity of this certificate please visit www.csagroupuk.org/mcerts...

The instrument was evaluated for use under the following conditions: Ambient Temperature Range: +18°C to +24°C Note: If the instrument is supplied with an enclosure then the ambient temperature shall be monitored inside the enclosure to ensure that it stays within the above ambient temperature range. Two identical instruments tested in parallel, the worst result is reported below:__ Note 1: In the shelter during the three month field tests, another instrument emitted punctual N Butanol at consistent concentrations that may have disturbed the zero air generator. The N Butanol emitted was analysed...

Description GC 866 FID airmoVOC (Model A21022) • Rack dimensions : 5 U monitor built as a 19" unit Width 483mm x Height 220mm 5U x Depth 660mm (730mm with rear face connections) • Pneumatic Valve : 6 ports. High speed injection system (up to 350°C) with 'zero dead volume' sample transfer to the column • Analytical column : Metallic capillary column • Detector : Flame Ionisation Detector (FID) with continuous ignition, electrometer and 0-1 V analog output. • Sampling system : Gas flow control unit (sample volume calculated) with one critical orifice, linked to a sampling pump • Trapping system...

General Notes 1. This certificate is based upon the equipment tested. The Manufacturer is responsible for ensuring that on-going production complies with the standard(s) and performance criteria defined in this certificate. The manufacturer is required to maintain an approved quality management system controlling the manufacture of the certified product. Both the product and the quality management system shall be subject to regular surveillance according to ‘Regulations Applicable to the Holders of CSA Group Testing UK Ltd Certificates’. 2. The design of the product certified is defined in the...