Work Item
ASTM WK78839

Revision of C1904-20 Standard Test Methods for Determination of the Effects of Biogenic Acidification on Concrete Antimicrobial Additives and/or Concrete Products

Rationale

Revisions are being made to clarify processes, materials and testing equipment so the test methods can be used by multiple testing laboratories.

Details

Developed by Subcommittee: C13.03

Committee: C13

Staff Manager: Jimmy Farrell

Work Item Status

Date Initiated: 11-08-2021

Technical Contact: Claude Goguen

Item: 006

Ballot: C13 (22-02)

Status: Ballot Item Approved

Item: 005

Ballot: C13 (22-02)

Status: Ballot Item Approved

Item: 003

Ballot: C13 (22-02)

Status: Ballot Item Approved

Item: 002

Ballot: C13 (22-02)

Status: Ballot Item Approved

Item: 004

Ballot: C13 (22-02)

Status: Negative Votes Need Resolution