Technical endosulfan (6,7,8,9,10, 10-hexachloro-1,5,5a,6, 9,9a, hexahydro 6,9-methano-2,4,3-benodioxathiepin, 3-oxide) is a brown crystalline substance consisting of alpha- and beta-isomers in the ratio of approximately ...

Technical quintozene (pentachloronitrobenzene) is a white solid with a musty odour, that, is used in formulation as a soil fungicide and as a seed dressing. Hexachlorobenzene is a possible major contaminant in technical ...

Aldrin and dieldrin are the common names of insecticides containing 95% HHDN and 85% HEOD, respectively. Throughout this monograph the names aldrin and dieldrin are used, although concentrations determined in the different ...

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—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 ...

The major sources of exposure to chlorine and hydrogen chloride that are of significance for human health are found in industry. Both chlorine and hydrogen chloride are corrosive to most construction materials, as well as ...

This document deals with outbreaks of certain human diseases associated with human exposure to compounds produced by algae. Predators feeding on the algae become contaminated by these compounds which, in this way, enter ...

Heptachlor is a white crystalline solid with a mild camphor odour. It is used as an insecticide. Gas chromatography with electron capture detection is the method most commonly used for heptachlor determination. Heptachlor ...

This document is aimed at focusing on a health menace that is insufficiently recognized, in order to evaluate the health risks on the basis of published data, and to draft a set of recommendations that would help in its ...

Dichlorvos, an organophosphate, is a direct-acting cholinesterase (ChE)l inhibitor. Since 1961, it has been commercially manufactured and used throughout the world as a contact and stomach insecticide. It is used to protect ...