30.99 Feb 11, 2026
ISO
ISO/TC 91
International Standard
This document provides microbiological test methods for enumeration and detection of aerobic mesophilic bacteria, detection of Escherichia coli and Pseudomonas aeruginosa in liquid hand dishwashing.
PUBLISHED
ISO 21703:2019
PROJECT
ISO/CD 21703
30.99
CD approved for registration as DIS
Feb 11, 2026
Surface active agents — Microbiology — Microbiological test methods for liquid hand dishwashing
30.99 CD approved for registration as DIS