Work Item
ASTM WK69761

Revision of C457/C457M-16 Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete


Revision to the standard to include the results from the ILS study with regards to Precision and Bias.


Developed by Subcommittee: C09.65

Committee: C09

Staff Manager: W Scott Orthey

Work Item Status

Date Initiated: 09-03-2019

Technical Contact: Jamison Langdon

Item: 003

Ballot: C09.65 (21-02)

Status: Will Reballot Item

Item: 016

Ballot: C09 (22-04)

Status: On Hold