Author : OECD
Publisher : OECD Publishing
Page : 12 pages
File Size : 33,67 MB
Release : 2004-11-23
Category :
ISBN : 9264069941
This Test Guideline describes an acute toxicity test to assess effects of chemicals towards daphnids (usually Daphnia magna Staus). Young daphnids, aged less than 24 hours at the start of the test, are exposed to the test substance at a range of ...
Author : OECD
Publisher : OECD Publishing
Page : 17 pages
File Size : 31,47 MB
Release : 2011-07-28
Category :
ISBN : 9264122389
This Test Guideline describes an acute immobilisation assay on chronomids and is designed to complement existing Test Guidelines for chironomid chronic toxicity assays (TG 218, 219 and 233). The test method is based on TG 202: Daphnia sp. Acute ...
Author : OECD
Publisher : OECD Publishing
Page : 23 pages
File Size : 48,90 MB
Release : 2008-10-16
Category :
ISBN : 9264070125
The test method described in this Test Guideline assesses the effect of chemicals on the reproductive output of Daphnia magna Straus. To this end, young female Daphnia are exposed to the test substance added to water at a range of concentrations (at ...
Author : OECD
Publisher : OECD Publishing
Page : 24 pages
File Size : 24,44 MB
Release : 2019-06-18
Category :
ISBN : 9264069968
The fish are exposed to the test substance preferably for a period of 96 hours. Mortalities are recorded at 24, 48, 72 and 96 hours and the concentrations which kill 50 per cent of the fish (LC50) are determined where possible. One or more species ...
Author : OECD
Publisher : OECD Publishing
Page : 11 pages
File Size : 24,87 MB
Release : 2017-10-09
Category :
ISBN : 9264284109
This Test Guideline describes a method to assess effects of a test chemical on the phagocytotic activity of activated sludge containing protozoan organisms under defined conditions in the presence of different concentrations of the test chemical. The principle of biological sewage-treatment ...
Author : OECD
Publisher : OECD Publishing
Page : 9 pages
File Size : 41,81 MB
Release : 1984-04-04
Category :
ISBN : 9264069984
This Test Guideline presents guidance for measurement of lethal and other observed effects in fish exposed to test substances. It may be used in place of Test Guideline 203 if a longer observation period is considered useful and appropriate and the ...
Author : OECD
Publisher : OECD Publishing
Page : 24 pages
File Size : 27,44 MB
Release : 2013-07-26
Category :
ISBN : 9264203788
The test method described in this Test Guideline, is intended to define the lethal and sub-lethal effects of chemicals on the early life stages of the species tested. The early-life stages of fish are exposed to five concentrations of the test ...
Author : OECD
Publisher : OECD Publishing
Page : 190 pages
File Size : 40,1 MB
Release : 2002-05-10
Category :
ISBN : 9264077995
This document is the report of the Ring Test of the February 1994 OECD draft Guideline 202, part II on Daphnia magna Reproduction Test, which was conducted in 1994.
Author : OECD
Publisher : OECD Publishing
Page : 44 pages
File Size : 36,55 MB
Release : 2011-07-28
Category :
ISBN : 9264122362
This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of putative endocrine disrupting chemicals (e.g. oestrogens, androgens and steroidogenesis inhibitors) on fish sexual development. In ...
Author : OECD
Publisher : OECD Publishing
Page : 14 pages
File Size : 14,81 MB
Release : 2002-02-08
Category :
ISBN : 926407094X
A principle of the method is that in the main study only moderately toxic doses are used, and the administration of doses that are expected to be lethal should be avoided. This Guideline is intended primarily for use with rat. Groups of animals of a ...
