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Now showing items 81-90 of 142
Hexachlorobenzene - Environmental Health Criteria 195
(1997)
Hexachlorobenzene (HCB) is a chlorinated organic compound with moderate volatility. It is practically insoluble in water, but is highly lipid-soluble and bioaccumulative. Technical grade HCB contains up to 2% impurities, ...
Chrysotile Asbestos - Environmental Health Criteria 203
(1998)
Chrysotile is a fibrous hydrated magnesium silicate mineral that has been used in many commercial products. It is widely used in global commerce today. Its physical and chemical properties as a mineral are observed to vary ...
Methanol - Environmental Health Criteria 196
(1997)
Methanol is a clear, colourless, volatile flammable liquid with a mild alcoholic odour when pure. It is miscible with water and many organic solvents and forms many binary azeotropic mixtures. Methanol occurs naturally ...
Principles for the Assessment of Risks to Human Health from Exposure to Chemicals - Environmental Health Criteria 210
(1999)
This monograph is an amalgamation of two draft documents "Principles for the Assessment of Risk from Exposure to Chemicals" and "General Principles and Methods for Chemical Safety (Human Health Protection)". Both documents ...
1,1,1 - Trichloroethane - Environmental Health Criteria 136
(1992)
1,1,1-Trichloroethane is a chlorinated hydrocarbon which is manufactured from vinyl chloride or vinylidene chloride by chlorination. The world production was approximately 680 000 tonnes in 1988. It is a colourless, ...
Selected Mycotoxins: Ochratoxins, Trichothecenes, Ergot - Environmental Health Criteria 105
(1990)
Ochratoxins are produced by several species of the fungal genera Aspergillus and Penicillium. These fungi are ubiquitous and the potential for the contamination of foodstuffs and animal feed is widespread. Ochratoxin A, ...
Principles for the Toxicological Assessment of Pesticide Residues in Food - Environmental Health Criteria 104
(1990)
This monograph has been prepared on behalf of the Central Unit of the International Programme on Chemical Safety (IPCS) and its aim is to provide an update of the principles utilized by the WHO Expert Group on Pesticide ...
2, 4-Dichlorophenoxyacetic Acid (2,4-D) - Environmental Health Criteria 29
(1984)
All exposure determinations and risk assessments ultimately depend on accurate chemical analyses, and therefore some critical aspects of analysis for 2,4-D residues have been included in the present document. The available ...
2, 4 - Dichlorophenoxyacetic Acid (2,4-d): Environmental Aspects - Environmental Health Criteria 84
(1989)
2,4-D is a selective herbicide which kills broad-leaved plants but not grasses or conifers. Its chemical structure is a modification of a
naturally occurring plant hormone. 2,4-D is available as the free acid but is ...
Polychlorinated Dibenzo-Para-Dioxins and Dibenzofurans - Environmental Health Criteria 88
(1989)
Polychlorinated dibenzo—p—dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) are two series of tricyclic aromatic compounds with similar chemical and physical properties; they are ubiquitous in the environment. They ...