Work Item
ASTM WK97736

Revision of C856/C856M-25 Standard Practice for Petrographic Examination of Hardened Concrete

Rationale

The entire Section 8 was rewritten to provide updated information that is more in line with today’s practices on removal of samples for petrographic examinations. The information is provided in a more sensible format and layout with clear section titles for easier use relative to the original version.

Details

Developed by Subcommittee: C09.65

Committee: C09

Staff Manager: Kevin Shanahan

Work Item Status

Date Initiated: 01-13-2026

Technical Contact: Nick Scaglione