Water quality. Microbiological methods. Detection and enumeration of Legionella.

NEPLATNÁ vydaná dňa 15.6.1998

Water quality. Microbiological methods. Guide to the enumeration of micro-organism by culture.

NEPLATNÁ vydaná dňa 31.7.1989

Water quality. Microbiological methods. Detection and enumeration of faecal streptococci by the membrane filtration technique.

NEPLATNÁ vydaná dňa 31.10.1989

Water quality. Physical, chemical and biochemical methodsDetermination of selenium by atomic absorption spectrometry.

NEPLATNÁ vydaná dňa 15.11.1993

Water quality. Methods for biological testing.. Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea).

NEPLATNÁ vydaná dňa 31.1.1983

Water quality. Biological methods. Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustacea).

NEPLATNÁ vydaná dňa 31.8.1990

Water quality. Biological methods. Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)]: static method.

NEPLATNÁ vydaná dňa 31.12.1985

Water quality. Biological methods. Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)]: semi-static method.

NEPLATNÁ vydaná dňa 31.12.1985

Water quality. Biological methods. Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)]: flow-through method.

NEPLATNÁ vydaná dňa 31.12.1985

Water quality. Biological methods. Evaluation in an aqueous medium of the ´ultimate´ aerobic biodegradability of organic compounds: method by analysis of dissolved organic carbon (DOC).

NEPLATNÁ vydaná dňa 31.12.1985