OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 244: Protozoan Activated Sludge Inhibition Test

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 244: Protozoan Activated Sludge Inhibition Test PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264284028
Category :
Languages : en
Pages : 14

Get Book Here

Book Description
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 ...

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 209: Activated Sludge, Respiration Inhibition Test (Carbon and Ammonium Oxidation)

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 209: Activated Sludge, Respiration Inhibition Test (Carbon and Ammonium Oxidation) PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264070087
Category :
Languages : en
Pages : 18

Get Book Here

Book Description
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 ...

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 246: Bumblebee, Acute Contact Toxicity Test

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 246: Bumblebee, Acute Contact Toxicity Test PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264284109
Category :
Languages : en
Pages : 11

Get Book Here

Book Description
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 ...

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 245: Honey Bee (Apis Mellifera L.), Chronic Oral Toxicity Test (10-Day Feeding)

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 245: Honey Bee (Apis Mellifera L.), Chronic Oral Toxicity Test (10-Day Feeding) PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264284087
Category :
Languages : en
Pages : 9

Get Book Here

Book Description
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 ...

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

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 PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264022384
Category :
Languages : en
Pages : 10

Get Book Here

Book Description

OECD Guidelines for the Testing of Chemicals, Section 3 Test No. 302A: Inherent Biodegradability: Modified SCAS Test

OECD Guidelines for the Testing of Chemicals, Section 3 Test No. 302A: Inherent Biodegradability: Modified SCAS Test PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264070362
Category :
Languages : en
Pages : 7

Get Book Here

Book Description
This Test Guideline describes a method which is an adaptation of the Soap and Detergent Association semi-continuous activated sludge (SCAS) procedure for assessing the primary biodegradation of alkyl benzene sulphonate. The test does not simulate ...

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 225: Sediment-Water Lumbriculus Toxicity Test Using Spiked Sediment

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 225: Sediment-Water Lumbriculus Toxicity Test Using Spiked Sediment PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264067353
Category :
Languages : en
Pages : 31

Get Book Here

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 ...

OECD Guidelines for the Testing of Chemicals, Section 3 Test No. 303: Simulation Test - Aerobic Sewage Treatment -- A: Activated Sludge Units; B: Biofilms

OECD Guidelines for the Testing of Chemicals, Section 3 Test No. 303: Simulation Test - Aerobic Sewage Treatment -- A: Activated Sludge Units; B: Biofilms PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264070427
Category :
Languages : en
Pages : 50

Get Book Here

Book Description
This Test Guideline describes two simulations tests used in the aerobic sewage treatment. Activated Sludge Units are designed to determine the elimination and the primary and/or ultimate biodegradation of water-soluble organic compounds by aerobic ...

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 210: Fish, Early-life Stage Toxicity Test

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 210: Fish, Early-life Stage Toxicity Test PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264203788
Category :
Languages : en
Pages : 24

Get Book Here

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 ...

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 201: Freshwater Alga and Cyanobacteria, Growth Inhibition Test

OECD Guidelines for the Testing of Chemicals, Section 2 Test No. 201: Freshwater Alga and Cyanobacteria, Growth Inhibition Test PDF Author: OECD
Publisher: OECD Publishing
ISBN: 9264069925
Category :
Languages : en
Pages : 25

Get Book Here

Book Description
The purpose of this test is to determine the effects of a substance on the growth of freshwater microalgae and/or cyanobacteria. Exponentially growing test organisms are exposed to the test substance in batch cultures over a period of normally 72 ...