What's New Archive
Browse the "What's New" archive below to review past announcements from Standard Methods.
March 2025
Announcement from SM Joint Editorial Board. The titles of methods are changing! To better indicate approval year versus editorial revision date, method titles will incorporate a year designation. Please review the memo from the JEB for details. Questions or comments? Contact the JEB or the SM program manager.
February 2025
4500-PAA is now 4500-PAA PFA. Review the updated method for peracetic acid, which now details the measurement of performic acid residuals in addition to PAA residuals.
Page last updated April 22, 2025