📢 BSR/ASA S3.21-20XX is open for recirculation public review through Nov. 23, 2026.
The draft was previously announced in ANSI Standards Action. To request the revised draft and comment form, email [email protected].

📢 BSR/ASA S3.21-20XX is open for recirculation public review through Nov. 23, 2026.
The draft was previously announced in ANSI Standards Action. To request the revised draft and comment form, email [email protected].
One package. Three standards.
The ASA/ANSI S12.60 Package brings together Parts 1, 2 & 4, with acoustical guidance for a range of school environments.
Save 10% off list prices with the complete package!
Shop now: https://bit.ly/3TfedO6
📣 Now Reaffirmed: ASA/ANSI S12.55 and Amendment 1!
ASA/ANSI S12.55-2012 / ISO 3745:2012 and its Amendment 1 have been reaffirmed (R2026) as Nationally Adopted International Standards (NAIS).
📣 Now Published: ASA/ANSI S3.39-2026!
The newly revised American National Standard is now available through the ASA Standards Store.
🔎 Learn more and access the new edition: https://asastandards.org/catalog/