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Test No. 215: Fish, Juvenile Growth Test

2000

This Test Guideline is designed to assess the effects of prolonged exposure to chemicals on the growth of juvenile fish. Juvenile fish in exponential growth phase are placed, after being weighed, in test chambers and are normally exposed to five sublethal concentrations of the test substance...

Persistent link: https://www.econbiz.de/10012441680

Private schools : Who Benefits?

2011

At some point in their child’s education, many parents have considered whether it would be worth the expense to enrol their child in a private school. For parents, private schools may offer a particular kind of instruction that is not available in public schools. If private schools also...

Persistent link: https://www.econbiz.de/10012443933

Reducing the Involvement of Youth in Armed Violence : Programming Note

2011

. These three notes cover: armed violence in urban areas, youth and armed violence, and linkages between armed violence …

Persistent link: https://www.econbiz.de/10012442253

Off to a Good Start? Jobs for Youth

2010

Promoting a smooth transition from school to work, and ensuring that youth are given the opportunities to move on in … people have borne much of the brunt of the recent jobs crisis. The youth unemployment rate is approaching 20% in the OECD … area, with nearly 4 million more youth among the unemployed than at the end of 2007. The initial experience in the labour …

Persistent link: https://www.econbiz.de/10012443717

ICT and learning : supporting out-of-school youth and adults

2006

Persistent link: https://www.econbiz.de/10012443744

Test No. 228: Determination of Developmental Toxicity of a Test Chemical to Dipteran Dung Flies(Scathophaga stercoraria L. (Scathophagidae), Musca autumnalis De Geer (Muscidae))

2008

This Test Guideline describes a method to estimate the developmental toxicity of a test chemical to the dung dwelling life stages of dung-dependent dipteran species. Two test species can be used. The test chemical is mixed with bovine faeces, to which either 10 eggs of Scathophaga stercoraria or...

Persistent link: https://www.econbiz.de/10012441715

Test No. 404: Acute Dermal Irritation/Corrosion

2002

This method provides information on health hazard likely to arise from exposure to liquid or solid test substance by dermal application. This Test Guideline recommends sequential testing strategies, which include the performance of validated and accepted in vitro or ex vivo tests for...

Persistent link: https://www.econbiz.de/10012441825

Test No. 202: Daphnia sp. Acute Immobilisation Test

2004

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 concentrations (at least five concentrations) for...

Persistent link: https://www.econbiz.de/10012441836

Test No. 223: Avian Acute Oral Toxicity Test

2010

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 options are sequential testing procedures. The test...

Persistent link: https://www.econbiz.de/10012441864

Test No. 235: Chironomus sp., Acute Immobilisation Test

2011

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 Immobilisation Test. First instar Chironomus sp....

Persistent link: https://www.econbiz.de/10012441903