Standard Number |
BS EN ISO 9509:2006 |
Title |
Water quality. Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms |
Status |
Current |
Publication Date |
31 July 2006 |
Cross References |
ISO 5667-16, ISO 6777, ISO 7150-1, ISO 11733, ISO 6107-1:2004, ISO 8192, ISO 9888:1999 |
Replaces |
BS EN ISO 9509:1995, BS 6068-5.9:1990,ISO 9509:1989 |