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Waste management

At Repsol we endeavor to minimize waste generation and to improve its treatment throughout the lifecycle of our activities. We adopt measures aimed at improving internal waste treatment and developing programs to minimize waste at all stages of the process.

At Repsol we endeavor to minimize waste generation and to improve its treatment throughout the lifecycle of our activities. We adopt measures aimed at improving internal waste treatment, developing programs to minimize waste at all stages of the process, encouraging reuse and recycling and the replacement of raw materials and additives.

The waste we produce may come from productive activities, such as oily muds from cleaning tanks that result from long stoppages and maintenance operations, and from non-productive activities, such as waste from remediating soil, drilling operations or during facility construction or dismantling operations. These types of activities from time to time produce large quantities of waste, causing significant variations in the annual amounts reported.

To better understand trends in the amounts managed, we are, for the first time, including information on hazardous waste associated with processing contaminated soil.

During 2011, our hazardous waste was up 26% compared to the previous year, due mainly to an increase in the treatment and disposal of waste from contaminated soil processing in exploration and production activities, largely in Neuqun in Argentina. In addition, our non- hazardous waste decreased by 17%, mainly in exploration and production operations in Chubut (Argentina).

During 2011, 46% of our hazardous waste and 24% of our non-hazardous waste was reused or recycled.

During 2011, 46% of our hazardous waste and 24% of our non-hazardous waste was reused or recycled.

Trends in hazardousand non-hazardous waste

Hazardous waste management 2011

More information on programs and action on waste management at casosdeestudio.repsol.com

(79) Hazardous waste managed, including that resulting from processing contaminated soil.