Potential contaminants associated with Main industrial sectors

Sector	Contaminant
	type	example
Gasworks	Coal tar	creosote
	Phenols	phenol
	Cyanide	free / complex
	Sulphur	sulphide / sulphate
Iron + Steel works	Metals	copper, nickel, lead
	Acids	sulphuric, hydrochloric
	Mineral oils	-
	Coking works residues	(as for gasworks )
Metal finishing	Metals	cadmium, chromium, copper, nickel, zinc
	Acids	sulphuric, hydrochloric
	Plating salts	Cyanide
	Aromatic hydrocarbons	benzene
	Chlorinated hydrocarbons	Trichloroethylene
Non ferrous metal processing	Metals	copper, cadmium, lead zinc
	Impurity metals	antimony, arsenic
	Other wastes	battery cases, acids
Oil refineries	Hydrocarbons	various fractions
	Acids, alkalies	sulphuric, caustic soda
	Lagging, insulation	asbestos
	Spent calalysts	lead, nickel, chromium
Paints	Metals	lead, cadmium, barium
	Alcohols	toluol, xylol
	Chlorinated hydrocarbons	Methylene Chloride
	Fillers, extenders	silica, titanium dioxide, talc
Petrochemical plants	Acids, alkalies	sulphuric, caustic soda
	Metals	copper, cadmium, mercury
	Reactive monomers	styrene, acrylate, VCM
	Cyanide	toluene di-isocyanate
	Amines	analine
	Aromatic hydrocarbons	benzene, Toluene
Petrol stations	Metals	copper, cadmium, lead, nickel, zinc
	Aromatic hydrocarbons	benzene
	Octane boosters	lead, MTBE
	Lubricants	Mineral oil
	Chlorinated hydrocarbons	Trichloroethylene
	Paint, plastic residues	barium, cadmium, lead
Rubber processing	Metals	zinc, lead
	Sulphur compounds	sulphur, thiocarbonate
	Reactive monomers	isoprene , isobutylene
	Acids	sulphuric. hydrochloric
	Aromatic hydrocarbons	xylene, Toluene
Semi-conductors	Metals	copper, nickel, cadmium
	Metalloids	arsenic, antimony, zinc
	Acids	nitric, hydrofluoric
	Chlorinated hydrocarbons	Trichloroethylene
	Alcohols	methanol
	Aromatic hydrocarbons	xylene, Toluene
Tanneries	Acids	hydrochloric
	Metals	trivalent chromium
	Salts	chlorides, sulphides
	Solvents	kerosine, white spirit
	Cyanide	methyl isocyanate
	Degreasers	Trichloroethylene
	Dyestuff residues	cadmium , benzidine
Textiles	Metals	aluminium, tin, titanium, zinc
	Acids, alkalines	sulphuric, caustic soda
	Salts	sodium hypochlorite
	Chlorinated hydrocarbons	Perchloroethylene
	Aromatic hydrocarbons	phenol
	Pesticides	dieldrin, aldrin , endrine
	Dyestuff residues	cadmium, benzidine
Wood processing	Coal tar	creosote
	Chlorinated hydrocarbons	pentachlorophenol
	Metalloids / metals	copper, chromium
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