Environmental
Ranking |
Source |
Environmentally significant components |
| 1 |
Produced water |
Hydrocarbons, inorganic salts, heavy metals, solids,
organics, sulphides, corrosion inhibitors, biocides,
phenols, BOD*, organo-halogens, PAH**, radioactive
material |
| 2 |
Process water,
e.g. filterbackwash
water,
cooling water |
Inorganic salts, heavy metals, solids, organics, BOD,
sulphides, corrosion inhibitors, biocides, demulsifiers,
wax inhibitors, detergents, hydrocarbons |
| 3 |
Hydro-test water |
BOD, corrosion, products, biocides, corrosion
inhibitors, oxygen scavengers, dyes |
| 4 |
Ballast water |
Hydrocarbons, phenols, PAH |
| 5 |
Contaminated rain/
drainage water |
Inorganic salts, heavy metals solids, organics, BOD,
sulphides, corrosion inhibitors, biocides, emulsifiers,
wax inhibitors, scale inhibitors, detergents,
hydrocarbons |
| 6 |
Domestic sewage |
BOD solids, detergents, coliform bacteria |
|
