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.
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: Will Reballot Item