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  • BSI
    BS 6068-5.17:1995, ISO 10229:1994 Water quality. Biological methods - Determination of the prolonged toxicity of substances to freshwater fish. Method for evaluating the effects of substances on the growth rate of rainbow trout [Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae)]
    Edition: 1995
    $316.70
    / user per year

Description of BS 6068-5.17:1995 1995

This International Standard specifies a method for the determination of the long-term sublethal toxicity of substances soluble in water under specified conditions to a species of anadromous fish [Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae) – common name, rainbow trout] in fresh water.

NOTE 1 “Substances” is considered to include pure chemicals tested singly or in mixtures, waste waters, process waters or other waters whose sublethal toxicity to fish it is necessary to determine. A range of concentrations of waste and process waters should be tested (see 8.2).

The response measured is the change in rate of growth of fish exposed to the test substance over periods of 14 d and 28 d (see [1] in Annex B).

NOTE 2 The mass of each fish at the start of the test, the period of exposure, the feeding regime and temperature range have been chosen to ensure that the control fish will be growing exponentially throughout the test.

The method is applicable for assigning, for each test substance, a category of prolonged sublethal toxicity to Oncorhynchus mykiss under the test conditions.

The results are insufficient by themselves to define water quality limits for environmental protection. It is possible for the method to be adapted for use with other freshwater fish and marine and brackish water fish with appropriate modification of the test conditions, particularly with respect to the temperature, the quantity and quality of the dilution water, the food and the fish-marking technique.



Standard NumberBS 6068-5.17:1995, ISO 10229:1994
TitleWater quality. Biological methods - Determination of the prolonged toxicity of substances to freshwater fish. Method for evaluating the effects of substances on the growth rate of rainbow trout [Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae)]
StatusUnder Review
Publication Date1995-04-15
Identical National Standard OfISO 10229:1994
DescriptorsToxic materials, Toxins, Biological analysis and testing, Osteichthyes, Pisces, Water testing, Test specimens, Water, Determination of content, Bioassay, Reports, Quality, Precision, Freshwater biology, Toxicity, Testing conditions
ICS13.060.01 Water quality in general
CommitteeEH/3/5
ISBN0 580 24131 9
PublisherBSI
Pages18

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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