Work Item
ASTM WK89607

Revision of E1050-19 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System


This ballot addresses one minor issue with the current standard – updating the providers of the
reference to C634 in Section 3.1 of the standard to meet the new E33 committee by law requirements.


Developed by Subcommittee: E33.01

Committee: E33

Staff Manager: Kelly Paul

Work Item Status

Date Initiated: 02-12-2024

Technical Contact: Kevin Herreman