Waste E&P Operation Constituents S D C P M A Oil spill/leaks X X X X X   Hydrocarbons, chemicals Contaminated soil X X X X X X Hydrocarbons, heavy metals, chemicals Domestic waste X X X X X X Organic, solids, oil&grease, nutrients Waste lubricants X X     X   Hydrocarbons, heavy metals Ballast water       X     Hydrocarbons, heavy metals Boiler blow down   X     X   Biocides, heavy metals, scale Drilling fluids, muds and cutting   X   X     Biocides, metals, surfactant, viscosifiers Produced water   X   X     Hydrocarbons, heavy metals, organic, ammonia, H2S, BTEX Produced sand       X     Hydrocarbons, heavy metals Oil sludge/bottom wastes       X   X Hydrocarbons, heavy metals, chemicals

Table 1: Common wastes in E and P operations.