Work Item
ASTM WK90413

Revision of D409/D409M-16 Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method

Rationale

Penn State University will cease production of Hardgrove Grindability Index Reference Material (HGI RMs) on June 30, 2024. The D05.07 subcommittee agreed to ballot a change in the contact information in D409 A4.3.5 from PSU to the new producer, Standard Laboratories. This is a concurrent ballot (sub and main together) so this item can be approved as quickly as possible for uninterrupted reference material production. Other editorial and technical revisions can be addressed in work items immediately after publication. Only footnote 6 is being changed in this ballot and no other sections, unless they are required for reference. 

Details

Developed by Subcommittee: D05.07

Committee: D05

Staff Manager: Melissa Marcinowski

Work Item Status

Date Initiated: 04-23-2024

Technical Contact: Claudette Young

Item: 001

Ballot: D05 (24-03)

Status: In Balloting