Ear plugs are classed as personal protective equipment (PPE), and in the European Union must meet certifications standards in order to be legally sold. HUMMM SOUND ear plugs meet EN352 standard, meaning they have been independently lab tested to perform in line with the marketing claims we make. The testing was done by PZT GmbH of Germany, one of the world’s leading test houses for ear plug. Michael & Associates is accredited by the National Institute of Standards and Technology (NIST) National Laboratory Accreditation Program (NVLAP) for tests performed according to AS / NZ S1270:2002, ANSI S3.19-1974, ANSI S12.6-2016, ANSI S12.42-2010 and EN352 parts 1-8. These accreditation criteria encompass the requirements of International Standard ISO 17025. This report may only be reproduced or transmitted electronically in its entirety.
Attenuation measurements have been performed according to the European Standards EN352-2:2020 on the BDS PPE Group Co. Ltd. EC-3003 reusable insert-type hearing protector (test ID Q6505A). The specific threshold measurement data were obtained using siteen normally hearing listeners. These listener were selected in EN352-2:2020.
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