| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| ACL.08 | Laboratory measurement of airborne sound insulation, Dn,e,w | ISO 10140-1:2021; ISO 10140-2:2021; ISO 10140-4:2021; ISO 717-1:2020 | Building elements of small dimensions | ||
| ACL.28 | Test methods for the qualification of free-field environments | Annex A of ISO 3745:2012 + Amd1:2017; ISO 26101-1:2021 | Anechoic and hemi-anechoic rooms | ||
| ACL.28.01 | Generic procedure for evaluating the directivity of a sound source | Annex B of ISO 26101-1:2021 | Test sound sources | ||
| ACL.29 | Sound-scattering properties of surfaces – Measurement of the random-incidence scattering coefficient in a reverberation room | ISO 17497-1:2004 + Amd1:2014 | Building elements | ||
| ACL.30 | Sound-scattering properties of surfaces – Measurement of the directional diffusion coefficient in a free field | ISO 17497-2:2012 | Building elements | ||
| ACL.31 | Measurement of the impulse response | ISO 18233:2006 | Building elements |