Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 217 Soil Microorganisms Carbon Transformation Test written by OECD and published by OECD Publishing. This book was released on 2000-01-21 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes a laboratory test method designed to investigate long term potential effects of a single exposure of agrochemicals/non agrochemicals on carbon transformation activity of soil microorganisms. A minimum of two test ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 216 Soil Microorganisms Nitrogen Transformation Test written by OECD and published by OECD Publishing. This book was released on 2000-01-21 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes a laboratory test method designed to investigate the long-term effects of chemicals, after a single exposure, on nitrogen transformation activity of soil microorganisms. Sieved soil is amended with powdered plant meal ...

Download or read book OECD Guidelines for the Testing of Chemicals written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 209 Activated Sludge Respiration Inhibition Test Carbon and Ammonium Oxidation written by OECD and published by OECD Publishing. This book was released on 2010-07-23 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline is designed to assess the effects of a substance on micro-organisms from activated sludge of waste-water treatment plants by measuring their respiration rate (carbon and/or ammonium oxidation) as oxygen consumption. The test ...

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 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 3 Test No 307 Aerobic and Anaerobic Transformation in Soil written by OECD and published by OECD Publishing. This book was released on 2002-04-24 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The method described in this Test Guideline is designed for evaluating aerobic and anaerobic transformation of chemicals in soil. The experiments are performed to determine the rate of transformation of the test substance, and the nature and rates ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 3 Test No 320 Determining Anaerobic Transformation of Chemicals in Liquid Manure written by OECD and published by OECD Publishing. This book was released on 2022-06-30 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline describes a standardised method to examine the transformation of chemicals in pig and cattle liquid manure under anaerobic conditions.

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 246 Bumblebee Acute Contact Toxicity Test written by OECD and published by OECD Publishing. This book was released on 2017-10-09 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 210 Fish Early life Stage Toxicity Test written by OECD and published by OECD Publishing. This book was released on 2013-07-26 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 ...

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 220 Enchytraeid Reproduction Test written by OECD and published by OECD Publishing. This book was released on 2016-07-29 with total page 24 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.

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Effects on Biotic Systems Summary of Considerations in the Report from the OECD Expert Group on Ecotoxicology written by OECD and published by OECD Publishing. This book was released on 2006-09-11 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book OECD Guidelines for the Testing of Chemicals Section 3 Test No 312 Leaching in Soil Columns written by OECD and published by OECD Publishing. This book was released on 2004-11-23 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The method described in this Test Guideline is based on soil column chromatography in disturbed soil. Two types of experiments are performed to determine (i) the leaching potential of the test substance, and (ii) the leaching potential of ...

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 OECD Guidelines for the Testing of Chemicals Section 2 Test No 239 Water Sediment Myriophyllum Spicatum Toxicity Test written by OECD and published by OECD Publishing. This book was released on 2014-09-26 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Test Guideline assesses the toxicity of chemicals on the growth of the rooted aquatic plants (Myriophyllum spicatum) growing in water-sediment system.

Download or read book OECD Guidelines for the Testing of Chemicals Section 2 Test No 204 Fish Prolonged Toxicity Test 14 Day Study 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 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 ...

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 ...