Author: OECD
Publisher: OECD Publishing
ISBN: 9264069941
Category :
Languages : en
Pages : 12
Get Book
Book Description
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
ISBN: 9264122389
Category :
Languages : en
Pages : 17
Get Book
Book Description
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
ISBN: 9264070125
Category :
Languages : en
Pages : 23
Get Book
Book Description
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
ISBN: 9264069968
Category :
Languages : en
Pages : 24
Get Book
Book Description
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
ISBN: 9264069984
Category :
Languages : en
Pages : 9
Get Book
Book Description
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
ISBN: 9264203788
Category :
Languages : en
Pages : 24
Get Book
Book Description
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
ISBN: 9264077995
Category :
Languages : en
Pages : 190
Get Book
Book Description
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
ISBN: 9264067353
Category :
Languages : en
Pages : 31
Get Book
Book Description
This Test Guideline is designed to assess the effects of prolonged exposure to sediment-associated chemicals on the reproduction and the biomass of the endobenthic oligochaete Lumbriculus variegatus (Müller). The method is described for static test ...
Author: OECD
Publisher: OECD Publishing
ISBN: 9264070044
Category :
Languages : en
Pages : 9
Get Book
Book Description
This Test Guideline includes two methods: a paper contact toxicity test and an artificial soil test. The recommended specie is Eisenia foetida (Michaelsen). The initial screening test (filter paper contact test) involves exposing earthworms to test ...
Author: OECD
Publisher: OECD Publishing
ISBN: 9264090894
Category :
Languages : en
Pages : 25
Get Book
Book Description
This Test Guideline describes procedures designed to estimate the acute oral toxicity of substances to birds, and it provides three testing options: (1) limit dose test, (2) LD50-slope test, and (3) LD50-only test. The LD50-slope and LD50-only ...