SS-EN-ISO-9509 › Historical Revision Information
Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and wastewater (ISO 9509:1989)

SS-EN-ISO-9509 - EDITION 1 - SUPERSEDED
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Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006)

To find similar documents by classification:

13.060.30 (Sewage water Including sewage water disposal and treatment Liquid wastes, see 13.030.20 Drainage systems, see 91.140.80 Sewage systems, see 93.030)

13.060.70 (Examination of biological properties of water Microbiology of water, see 07.100.20)

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Designation Name

SS-EN ISO 9509

Revision Level

EDITION 1

Status

Superseded

Publication Date

July 6, 1995

Language(s)

English

Page Count

12

International Equivalent

EN ISO 9509:1995 IDT