LMA(N)’s INTEGRATED MANAGEMENT SYSTEM of MSW

Shareholders Position % 10 6 PTE Parque Expo’98 S.A.26, Empresa Geral de Fomento25, Câmara Municipal de Lisboa20,0 900 EDP11,0 495 Câmara Municipal de Loures10,0 450 Câmara Municipal da Amadora 4,0 180 Câmara Municipal de V.F. Xira 4,0 180 Total100,04 500

Data Regarding LMA(N) in 2000 area 593 km 2 0,66% population hab 11,7% MSW production Mg /year 19,01% % national amount

Reception of MSW in LMA(N) ( 2000 ) TOTAL (Mg/year ) Amadora Municipality Lisboa Municipality Loures Municipality V.F.Xira Municipality Mixed Waste Collection Separate Waste Collection Total Sub-total Private companies Sub-total

(Mg/year) Past values: Predicted values: Evolution of the Production of MSW

Organics 36% Textiles 6% Others 5% Glass 7% Plastics 10% Fines 11% Paper/Card 26% Metals 2% MSW Stream by Weight

CO2+H2O COMPOST AGRICULTURE Electricity Clean Air Emissions PAPER/CARD METAL + PLASTIC GLASS INERTIZATION LANDFILL RESIDUAL SOLIDS INERTIZED RESIDUAL SOLIDS ITVE CIVIL CONSTRUCTION RECYCLING INDUSTRY BOTTOM- ASH Ferrous metal Non-ferrous metal INERTS CTRSU CTE ETVO Mixed Waste Collection PACKAGING GLASS PAPER/CARD. Separate Waste Collection Biodeg. Waste Integrated Management System

0 100, , , , , , , , , Mg/year Selective Collection Anaerobic Digestion Incineration Landfill MSW distribution by Operating Units

(Mg/year ) Separate Waste Collection Evolution

… Separate Waste Collection Evolution by Target Materials

(% of selective collection per target material and per capita generation) PAPER/CARDBOARD 19,2 % 14,6 kg/inh GLASS 21,2 % 8,2 kg/inh PACKAGING WASTE 3,2 % 1,7 kg/inh … Separate Waste Collection by Target Materials

CTRSU Central de Tratamento de Resíduos Sólidos Urbanos Waste-to-energy Plant Location: S. João da Talha, municipality of Loures

CTRSU Technical Characteristics (average values in 20 years) Incineration Capacity Mg/day max Mg/year Energy for REN (net) 452 kWh/Mg MSW290 GWh/year Power for REN (net) 39 MW

Air Emission Limits ParametersUnits Dust mg/Nm 3 HCl» SO 2 » HF» NO x » CO» Pb+Cr+Cu+Mn Ni+As » » Cd+Hg» Total Organic Compounds (TOC) » Dioxinsand Furans (PCDD+PCDF) ng/Nm 3 TEC Directive 89/369/CEE Port. 286/ na ,2 20 na Specification CTRSU ,5 0,1 10 0,1 Valores de compromisso CTRSU , , ,05

Monitoring Programs Air quality (continuous and discontinuous) Water and sediments quality Terrestrial and estuary ecosystems Trace elements Noise Public health surveillance Residents attitude (Psycho-social) CTRSU 5 km 10 km

Location: Vale do Forno, municipality of Lisboa CTE Central de Triagem e Ecocentro Sorting Plant and Drop-off center

Area: 3 ha Technological Process: Manual and Mechanical Sorting Process MSW Origin: Glass, Paper/Card and Packaging Waste separate collection Maximum Process capacity: Mg per year Contract delivery: January 2000 CTE Central de Triagem e Ecocentro

Estação de Tratamento e Valorização Orgânica Location: Freguesia de S. Brás, municipality de Amadora ETVO Organic Valorisation Plant

Location ETVO

Technological Process: Anaerobic Digestion With Energy Production Area: 3 ha MSWs: Biodegradable Waste Selectivly collected in Restaurants, Canteens, Market Places, Hotels and others. Treatment Products : Electricity (12 MWh/year) Compost ( t/year) Process maximum capacity: Mg per year in a 1st phase Mg per year in a 2nd phase Estação de Tratamento e Valorização Orgânica ETVO

Process diagram biodegradable waste wheighting pretreatment glass, rocks, plastics anaerobic digestion dehidration precomposting in closed hall postcomposting biogaselectric energy exaust air biofilter municipal sewer water treatment compost refining Final compost glass, rocks, plastics biodegradable waste wheighting pretreatment glass, rocks, plastics anaerobic digestion dehidration precomposting in closed hall postcomposting biogaselectric energy exaust air biofilter municipal sewer water treatment compost refining Final compost glass, rocks, plastics biodegradable waste wheighting pretreatment glass, rocks, plastics anaerobic digestion dehidration precomposting in closed hall postcomposting biogaselectric energy exaust air biofilter municipal sewer water treatment compost refining Final compost glass, rocks, plastics biodegradable waste wheighting pretreatment glass, rocks, plastics anaerobic digestion dehidration precomposting in closed hall postcomposting biogaselectric energy exaust air biofilter municipal sewer water treatment compost refining Final compost glass, rocks, plastics

Offered Bids ETVO

Abrantina / OWS / Hidrocontrato / ABB Bidder 1

Hagen / SGE Environment Bidder 2

Mota & Companhia / Urbaser / Bioenergie Bidder 3

Somague / Ensul / Haase Bidder 4

Koch / Edifer / Linde / Sopol Bidder 5

ECOP / HLC / Steimuller Valorga Bidder 6

Landfill Location: Mato da Cruz, municipality of Vila Franca de Xira

(Mg/month) JANFEVMARABRMAIJUNTOTAL MSW Bottom-ash Inertised fly-ash Paper Glass Packaging Waste reception at landfill (1 st semester 2000)

Structure:MSW cells Inertised fly-ash cell Bottom-ash valorisation plant Recycable materials reception Waste water pre-treatment plant Support buildings Area: 41 ha Landfill

Inertised fly-ash cell Wastewater pretreatment MSW cell ITVE VFX MSW old cell Drop-off center Landfill

Monitoring programs leachates Underground and superficial flow stream (8 piezómetros e 3 furos) biogás (V.F. Xira and Valorsul cells) Landfill

Area: 2,8 ha Technological Process: Bottom-ash maturation and separation of ferrous and non- ferrous metals MSW origin: CTRSU Capacity: Mg per year ( in 1st phase) Location:Sanitary Landfill ITVE Instalação de Tratamento e Valorização de Escórias Bottom-ash Valorization Plant

Project delivery:27th July 1999 Civil works start-up:August 1999 Start-up:August 2000 ITVE Instalação de Tratamento e Valorização de Escórias

ITVE Process diagram

Central de Tratamento de Resíduos Sólidos Urbanos - CTRSU Dezembro1996 Novembro 1997Novembro 1998 Agosto 1999

Furnace Boiler CTRSU Central de Tratamento de Resíduos Sólidos Urbanos

JANFEVMARABRMAIJUN Delivered MSWIncinerated MSW JANFEVMARABRMAIJUNTOTAL Delivered MSW Incinerated MSW (Mg/month) MSW delivery at CTRSU (1st semester 2000)

JANFEVMARABRMAIJUN Exported ElectricitySelf-Consumption JANFEBMARAPRAPRMAYJUNTOTAL Exported Electricity Self-Consumption Total Electricity (MWh) Energy Production (1st semester 2000)

(Mg/month) JANFEBMARAPRAPRMAYJUNTOTAL Bottom-ash Fly-ash Ferrous metals Generated Sub-products (1st semester 2000)

Old Landfill Recovery Landscape recovery of Santa Iria da Azóia Landfill used by Loures and Vila Franca de Xira municipalities untill close-up in 1996

Closure and Landscape recovery of Mato da Cruz Landfill used by Loures and Vila Franca de Xira municipalities between 1996 and 1998 Old Landfill Recovery

Closure and Landscape recovery of Vale do Forno Landfill used by Lisboa and Amadora municipalities until close-up in 1998 Old Landfill Recovery