40.20 DIS ballot initiated: 12 weeks Sep 2, 2026
ISO
ISO/TC 43/SC 1 Noise
International Standard
17.140.01 Acoustic measurements and noise abatement in general
PUBLISHED
ISO 9613-2:2024
IN_DEVELOPMENT
ISO 9613-2:2024/DAmd 1
40.20
DIS ballot initiated: 12 weeks
Sep 2, 2026