Work Item
ASTM WK71772

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


The current document lacks reporting limits. The ballot addresses that deficiency. Where US Custom or Metric units are required, a hard conversion is not presented but rather reflects current use in industry.


Developed by Subcommittee: C09.65

Committee: C09

Staff Manager: W Scott Orthey

Work Item Status

Date Initiated: 02-04-2020

Technical Contact: Jamison Langdon

Item: 017

Ballot: C09 (22-04)

Status: Negative Votes Need Resolution

Item: 001

Ballot: C09.65 (21-02)

Status: Will Reballot Item