168 datasets found

This report compiles relevant information pertaining to the accumulation of heavy metals and potential remediation of inactive mining-related dumps in and near Andacollo,...

In the context of this criteria document, the term oxides of nitrogen is understood to include nitric oxide (NO) and nitrogen dioxide (NO2). Other oxides of nitrogen which exist...

Polychlorinated hbiphenyls (PCBs) and polychlorinated terphenyls (PCTs) are complex organic chemicals used widely for their insulating properties. They are liquids of various...

Methanol is a colourless, polar, volatile, flammable liquid with a mild alcoholic odour when pure. It decomposes on heating producing carbon monoxide and formaldehyde. Methanol...

Thallium is a soft and malleable heavy metal with a bluish-white colour. Its relative molecular mass is 204.38. Its most important compound is the colourless, odourless and...

Diflubenzuron is an odourless, white, crystalline solid. It is almost insoluble in water and poorly soluble in apolar organic solvents. In polar to very polar solvents, the...

Methomyl is a white crystalline solid with a melting point of 77 °C. It is soluble in water and in many organic solvents. It is stable at temperatures up to 140 °C; the...

Bromadiolone is a white to off-white powder. Its solubility in water is very low (less than 20 mg/litre at 20 °C). It is slightly soluble in ethanol and ethyl acetate, and...

Brodifacoum is an off-white powder, which is stable in the solid form. Its solubility in water is very low (less than 10 mg/litre at 20 °C and pH 7); it is slightly soluble in...

Commercial 1,3-dichioropropene is a mixture of cis- and trans- isomers and 92% pure. It may also be used in admixtures with 1 ,2-dibromoethane (Dorloe) or with 1...

Rotenone is a naturally occurring chemical with insecticidal and piscicidal properties obtained from the roots of several tropical and subtropical plant species belonging to...

Arsenic compounds are often unstable, and in many cases are not well defined materials. For example, the arsenites of the alkali metals are slowly converted in solution to...

Pure hexachiorocyclopentadiene (HEX) is a light, lemon-yellow liquid that has a pungent, musty odour. The odour threshold is reported to be 0.0014-0.0016 mg/m3. HEX is highly...

The Network for Industrial Environmental Management (NIEM) has been established comprising of research institutions, laboratories, government agencies, and pulp and paper mills...

Isophorone is a colourless liquid. Its odour has been described as similar to those of peppermint and camphor. It is soluble in water and is miscible in all proportions with...

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....

Contamination of vegetable raw materials such as oil hearing crops, corn, rice, teat, and barley with mycotoxins, i.e. toxic and carcinogenic metabolites of microscopic fungi...

Penicillia frequently occur in feeds and foods. Many isolates of this genus are Toxinogenic and thus 1. impair the health of domestic animals, 2. cause residues in organs and...

The GEMS/Food monitoring programme aims not only to protect public health, but to promote confidence in the purity of foodstuffs through international information exchange on...

Trichothecenes are a group of chemically related sesquiterpenoids produced by fungi such as Fusarium, Trichothecium, Trichoderma, Myrothecium, Stachybotrye and others. Recently,...