Published
WITHDRAWN
ISO 6222:1988
PUBLISHED
ISO 6222:1999
90.60
Close of review
Jun 5, 2026
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)
95.99 Withdrawal of Standard
Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999)
90.93 Standard confirmed