35 datasets found

This report responds to the request of the Governing Council (GC) of the United Nations Environment Programme (UNEP), through GC decision 21/5, that UNEP undertake a global...

Copper is a reddish-brown, ductile and malleable metal. It belongs to group IB of the Periodic Table. In compounds found in the environment it usually has a valence of 2 but can...

Aluminium is a silvery-white, ductile and malleable metal. It belongs to group IIIA of the Periodic Table, and in compounds it is usually found as AlIII. It forms about 8% of...

This publication describes reference methods for the determination of organotin compounds in environmental samples. Inputs of organotin compounds to the aquatic environment...

Tributyltin (TBT) compounds are organic derivatives of tetravalent tin. They are characterized by the presence of covalent bonds between carbon atoms and a tin atom and have the...

Vinylidene chloride (C2H2Cl2) is a volatile, colourless liquid with a "sweet" odour. It is stabilized with p- methoxyphenol to prevent the formation of explosive peroxides....

Tetramethrin was first synthesized in 1964 and first marketed in 1965. Chemically, it is an ester of chrysan-themic acid (2,2-imethyl-3-(2,2-dimethylvinyl)-cyclopro-...

Fenvalerate is a potent insecticide that has been in use since 1976. It is an ester of 2-(4-chlorophenyl)-3-methylbutyric acid and alpha-cyano-3-phenoxybenzyl alcohol, but lacks...

Formaldehyde is a flammable, colourless and readily polymerized gas at ambient temperatures. The most common commercially available form is a 30-50% aqueous solution....

It is the aim of this document to take the ecotoxicologist's point of view and consider effects on populations of organisms in the environment. The risk to human health of the...

Cypermethrin was initially synthesized in 1974 and first marketed in 1977 as a highly active synthetic pyrethroid insecticide, effective against a wide range of pests in...

?letaliic vanadium does not occur in nature. Over 70 vanadium minerals are known, carnatite and vanadinite being the most important from the point of view of mining. Production...

The dithiocarbamates included in this review are those that are mainly used in agriculture and form part of the large group of synthetic organic pesticides that have been...

Phosphine, or hydrogen phosphide, is a colourless gas which is odourless when pure, but the technical product usually has a foul odour, described as "fishy or "garlicky",...

Pure pentachlorophenol (PCP) consists of light tan to white, needlelike crystals and is relatively volatile. It is soluble in most organic solvents, but practically insoluble in...

Ammonia (NH3) is a colourless acrid-smelling gas at ambient temperature and pressure. It can be stored and transported as a liquid at a pressure of 10 atm at 25 C. Ammonia...

Toluene is the common name for methylbenzene. It is a clear, colourless liquid that is volatile (vapour pressure of 3.82 kPa), flammable, and explosive in air. The technical...

Camphechlor (toxaphene) (C10H10CI approx.) is an amber, waxy solid consisting of a complex mixture of poly-chlorinated bicyclic terpenes. Gas chromatography with electron...

Mirex (C10C112) is a white crystalline odourless solid it is an extremely stable substance. Gas chromatography with electron capture detection is the analytical method most...

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...