Water quality. Method for assessing the inibition of nitrification of activated sludge micro-organisms by chemicals and waste waters.

Main informations

National standards and national normative documents

December 1990

6 p.

T90-341

13.020.40 Pollution, pollution control and conservation

13.060.70 Examination of biological properties of water

T90-341

ISO 9509:1989

Standard replaced by (1)

NF EN ISO 9509

April 1995

Standard Cancelled

Water quality. Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water.

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