Table 3
| Industry |
Process materials/possible contaminants |
| Iron + Steel works |
Metals: eg copper, nickel, lead, Acids: sulphuric,
`hydrochloric
Mineral oils: - Coking works residues (as for gasworks )
Aromatic hydrocarbons: benzene Chlorinated hydrocarbons
1,1,1, Trichlorethylene |
| Metal finishing |
Metals: cadmium, chromium, copper, nickel, zinc
Acids: sulphuric, hydrochloric
Plating salts: cyanide |
| Oil refineries |
Hydrocarbons various fractions,
Acids & Alkalis: 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, alkalis sulphuric, caustic soda Metals copper, cadmium,
mercury Reactive monomers styrene, acrylate, VCM Cyanide toluene
di-isocyanate Amines aniline Aromatic hydrocarbons benzene, Toluene
|
| Petrol stations |
Metals copper, cadmium, lead, nickel, zinc Aromatic hydrocarbons
benzene Octane boosters lead, MTBE 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 |
| Non ferrous metal processing |
Metals :copper, cadmium, lead zinc Impurity metals: antimony,
arsenic, Other wastes battery cases, acids |
| 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, alkalis 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 arsenic, copper, chromium |
| Gasworks |
Coal tar, creosote, Phenols, phenol Cyanide, free / complex Sulphur
sulphide / sulphate |
|