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Waste produced by the Group

SPECIAL NON-HAZARDOUS WASTE (t)
  2009 2010 2011
Energy production and distribution 234,986 315,291 306,387
of which waste to energy 222,246 225,861 211,993
Integrated waste cycle 189,923 209,866
216,133
Integrated water service 25,055 25,122 22,623
General services 43 37 61
Electricity distribution 18 194 439
District heating 116 739 193
Gas distribution
125 120 134
Total non-hazardous waste products 450,267 551,368 545,971
SPECIAL HAZARDOUS WASTE (t)
  2009 2010 2011
Energy production and distribution 62,112 74,641 90,676
of which waste to energy 61,852 74,177 89,878
Integrated waste cycle 174 133 179
Integrated water service 3 7 1
General services 7 18 22
Electricity distribution 25 445 277
District heating 4 8 8
Gas distribution 14 6 4
Total hazardous waste products 62,338 75,258 91,167
of which PCBs 0 4 8
SPECIAL WASTE (HAZARDOUS AND NON-HAZARDOUS) SENT FOR RECOVERY
  2009 2010 2011
Production of energy and heat
(excluding waste to energy)
69% 78% 81%
Waste to energy 69% 72% 76%
Integrated waste cycle 1% 1% 3%
Integrated water service 88% 86% 84%
General services 57% 81% 32%
Electricity distribution 37% 26% 5%
District heating 0% 0% 15%
Gas distribution 71% 96% 59%
Average for the A2A Group* 45% 52% 54%
*See the paragraph Environmental responsibility - responsible waste management