ISO/R 1999:1971

For ISO/R 1999:1971, item title is Acoustics — Assessment of occupational noise exposure for hearing conservation purposes; status code is 9599; successor is ISO 1999:1975; withdrawn / published date is 1971-01-15, recorded from its source on 2026-08-05.

Identifier: ISO/R 1999:1971 verified
Item title: Acoustics — Assessment of occupational noise exposure for hearing conservation purposes verified
Status code: 9599 verified
Successor: ISO 1999:1975
Withdrawn / published date: 1971-01-15 verified

Sourceisopublicstorageprod.blob.core.windows.net

Verified2026-08-05

Review by2027-02-01

DatasetWithdrawn and superseded ISO standards

What the source says

56849,R,,ISO/R 1999:1971,Acoustics — Assessment of occupational noise exposure for hearing conservation purposes,Acoustique — Estimation de l'exposition au bruit durant le travail en vue de la protection de l'audition,1971-01-15,1,,ISO/TC 43,9599,,[6758],"['en','fr']",7,

— isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

isopublicstorageprod.blob.core.windows.nethttps://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified against source: 2026-08-05. Due for re-check by 2027-02-01. This page as Markdown · OKF bundle · full dataset as JSON.