Published
WITHDRAWN
ISO 6222:1988
PUBLISHED
ISO 6222:1999
90.20
Standard under periodical review
Jan 15, 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
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