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ISO 9509:1989

Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters
12 tet 1989
95.99 Withdrawal of Standard   23 qer 2006

General information

95.99     23 qer 2006

ISO

ISO/TC 147/SC 5

International Standard

13.060.70  

frëngjisht   anglisht  

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NOW

WITHDRAWN
ISO 9509:1989
95.99 Withdrawal of Standard
23 qer 2006

REVISED BY

PUBLISHED
ISO 9509:2006