Download or read book Test No 222 Earthworm Reproduction Test Eisenia fetida Eisenia andrei written by OECD and published by OECD Publishing. This book was released on 2004-11-23 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to be used for assessing the effects of chemicals in soil on the reproductive output (and other sub-lethal end points) of the earthworm species Eisenia fetida or Eisenia andrei. Adult worms are exposed to a range of ...

Download or read book Test No 222 Earthworm Reproduction Test Eisenia Fetida Eisenia Andrei written by Organisation for Economic Co-operation and Development and published by . This book was released on 2004 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to be used for assessing the effects of chemicals in soil on the reproductive output (and other sub-lethal end points) of the earthworm species Eisenia fetida or Eisenia andrei. Adult worms are exposed to a range of concentrations of the test substance either mixed into the soil or applied to the soil surface. The range of test concentrations is selected to encompass those likely to cause both sub-lethal and lethal effects over a period of eight weeks. The limit test corresponds to one dose level of 1000 mg/kg. This study includes the observation of unusual behaviour and morphology, the counting and weighing of the adult worms after the four primary weeks, the number of juveniles hatched at the end of the second 4-week period. The reproductive output of the worms exposed to the test substance is compared to that of the control(s) in order to determine the no observed effect concentration (NOEC) and/or ECx by using a regression model to estimate the concentration that would cause a x % reduction in reproductive output. The test concentrations should bracket the ECx so that the ECx then comes from interpolation rather than extrapolation.

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 207 Earthworm Acute Toxicity Tests written by OECD and published by OECD Publishing. This book was released on 1984-04-04 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 222 Earthworm Reproduction Test Eisenia fetida Eisenia andrei written by OECD and published by OECD Publishing. This book was released on 2016-07-29 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to be used for assessing the effects of chemicals in soil on the reproductive output (and other sub-lethal end points) of the earthworm species Eisenia fetida or Eisenia andrei.

Download or read book Test No 220 Enchytraeid Reproduction Test written by OECD and published by OECD Publishing. This book was released on 2004-11-23 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to be used for assessing the effects of chemicals on the reproductive output of the enchytraeid worm, Enchytraeus albidus Henle 1873, in soil. Adult enchytraeid worms are exposed to a range of concentrations of the ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 218 Sediment Water Chironomid Toxicity Using Spiked Sediment written by OECD and published by OECD Publishing. This book was released on 2004-11-23 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess the effects of prolonged exposure of chemicals to the sediment-dwelling larvae of the freshwater dipteran Chironomus sp. First instar chironomid larvae are exposed to at least five concentrations of the test ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 227 Terrestrial Plant Test Vegetative Vigour Test written by OECD and published by OECD Publishing. This book was released on 2006-08-17 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess effects on vegetative vigour of terrestrial plants following above-ground exposure by general chemicals, biocides and crop protection products. The test can be conducted in order to determine the ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 219 Sediment Water Chironomid Toxicity Using Spiked Water written by OECD and published by OECD Publishing. This book was released on 2004-11-23 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess the effects of prolonged exposure of chemicals to the sediment-dwelling larvae of the freshwater dipteran Chironomus sp. First instar chironomid larvae are exposed to at least five concentrations of the test ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 3 Test No 317 Bioaccumulation in Terrestrial Oligochaetes written by OECD and published by OECD Publishing. This book was released on 2010-07-23 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes procedures designed to assess bioaccumulation of chemicals in soil oligochaetes. The parameters which characterise the bioaccumulation of a substance include the bioaccumulation factor (BAF), the uptake rate constant ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 208 Terrestrial Plant Test Seedling Emergence and Seedling Growth Test written by OECD and published by OECD Publishing. This book was released on 2006-08-17 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess effects on seedling emergence and early growth of higher plants following exposure to the test substance applied to the soil surface or into the soil. Seeds are placed in contact with soil treated with the ...

Download or read book Test No 232 Collembolan Reproduction Test in Soil written by OECD and published by OECD Publishing. This book was released on 2009-09-08 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed for assessing the effects of chemicals on the reproduction of collembolans in soil. The parthenogenetic Folsomia candida is the recommended species for use, but an alternative species such as sexually reproducing ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 240 Medaka Extended One Generation Reproduction Test MEOGRT written by OECD and published by OECD Publishing. This book was released on 2023-07-04 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes the Medaka Extended One Generation Test (MEOGRT), which exposes fish over multiple generations to give data relevant to ecological hazard and risk assessment of chemicals, including suspected endocrine disrupting chemicals (EDCs). Exposure in the MEOGRT starts with ...

Download or read book Test No 226 Predatory mite Hypoaspis Geolaelaps aculeifer reproduction test in soil written by OECD and published by OECD Publishing. This book was released on 2008-10-16 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes a method to assess the effects of chemical substances in soil on the reproductive output of the soil mite species Hypoaspis (Geolaelaps) aculeifer Canestrini (Acari: Laelapidae). It can be used for water soluble or ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 206 Avian Reproduction Test written by OECD and published by OECD Publishing. This book was released on 1984-04-04 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this Test Guideline is to determine the effects on the reproduction of a substance administered with food to birds. Birds are fed a diet containing the test substance in various concentrations for a period of not less than 20 weeks. A ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 243 Lymnaea stagnalis Reproduction Test written by OECD and published by OECD Publishing. This book was released on 2016-07-29 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess effects of prolonged exposure to chemicals on the reproduction and survival of the hermaphrodite freshwater snail Lymnaea stagnalis (the Great Pond Snail).

Download or read book Test No 211 Daphnia magna Reproduction Test written by OECD and published by OECD Publishing. This book was released on 2008-10-16 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 225 Sediment Water Lumbriculus Toxicity Test Using Spiked Sediment written by OECD and published by OECD Publishing. This book was released on 2007-10-15 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...