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Copper - Environmental Health Criteria 200
(1998)
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 exist in the metallic, +1 and +3 valence ...
Methyl Tertiary-Butyl Ether - Environmental Health Criteria 206
(1998)
Methyl tertiary-butyl ether (MTBE) is one of several ethers that may be used as fuel additives and is currently by far the dominant one. Ethyl tertiary-butyl ether (ETBE), tertiary-amyl methyl ether (TAME), tertiary-amyl ...
Diazinon - Environmental Health Criteria 198
(1998)
The chemical name for diazinon is O, O-diethyl O-2-isopropyl-6-methylpyrimidinyl-4-yl phosphorothioate. The pure material forms a colourless liquid with a faint ester-like odour. The technical active ingredient is a ...
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 ...
Polybrominated Dibenzo-p-Dioxins and Dibenzofurans - Environmental Health Criteria 205
(1998)
Polybrominated dibenzo-p-dioxins (PBDDs) and polybrominated dibenzofurans (PBDFs) are almost planar tricyclic aromatic compounds.
Theoretically, 75 PBDDs and 135 PBDFs are possible. In addition, a large number of mixed ...
Selected Non-Heterocyclic Polycyclic Aromatic Hydrocarbons - Environmental Health Criteria 202
(1998)
Polycyclic aromatic hydrocarbons (PAH) constitute a large class of compounds, and hundreds of individual substances may be released during incomplete combustion or pyrolysis of organic matter, an important source of human ...
Selected Chloroalkyl Ethers - Enviromnental Health Criteria 201
(1998)
Bis(2-chloroethyl) ether (BCEE), bis(chloromethyl) ether (BCME) and chioromethyl methyl ether (CMME) are chemicals from
a large class known as chloroalkyl ethers. The three ethers are colourless volatile liquids at room ...
Hexachlorobenzene Health and Safety Guide - Health and Safety Guide 107
(1998)
At ambient temperature, HCB is a white crystalline solid. Technical grade HCB is available as a wettable powder, liquid or dust. It is virtually insoluble in water, but is soluble in ether, benzene, chloroform and hot ...
Carbon Tetrachloride Health and Safety Guide - Health and Safety Guide 108
(1998)
Carbon tetrachioride is a volatile, colourless, clear, heavy liquid with a characteristic sweet, non-irritant odour. The odour threshold in water is 0.52 mg/litre, and in air it is >64.1 mg/m3 (10 ppm). Carbon tetrachioride ...
Phosgene Health and Safety Guide - Health and Safety Guide 106
(1998)
This is a companion volume to Environmental Health Criteria 193: Phosgene. Phosgene is a colourless gas at room temperature and standard pressure. It has a suffocating odour similar to mouldy hay. Although the odour of ...