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The Ground Rules: "Five indicator groups were agreed and a set of definitions for the indicators has been prepared and agreed by the member companies. The five indicator groups are:
1. Emissions to air; 2. Aqueous discharges 3. Discharges of non-aqueous drilling fluids on cuttings; 4. Accidental spillages of oil and chemicals; 5. Energy consumption and flaring. For both gaseous emissions and spills, participants are encouraged to provide additional information. For the former, this would include information on the sort of activity that gives rise to the emission (such as flaring, venting, processing and treatment). On the latter and more recently, companies are providing information on the reasons for larger spillages of more than 100 bbl in size...For normalisation, participants are asked to provide the relevant gross production associated with the activities in each of the indicator groups." |
