Novara Environmental Statement 2007 English MEMC-NO ...

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07Descriptionof the activitiesIn the following fl ow chart theproductive cycle of the site isdescribed.Mono Crystal Silicon Bar(MEMC Merano)Wire-sawLappingChemical VapourDepositionSolar Silicon cleaningPolishingCleaningEpitaxyWafersCustomerSolar FotovoltaicCustomer12
08Quantification of the Environmental AspectsThe following table shows a summaryof the levels of importanceof impacts associated with directenvironmental aspects, manageddirectly by the factory’s organisationalstructure, for 2007.The following sections contain acollection of environmental indicatorsrelated to MEMC in Novara,updated to 31st December2007, which provide a qualitativeand quantitative indication ofthe factory’s most important environmentalaspects and showthe progress of the company’senvironmental performanceduring the 2000-2007 period.The indicators shown herein derivefrom data collected duringactivities implemented by thecompany to control their own environmentalaspects and, unlessotherwise indicated, refer to all ofthe activities performed on site.Two types of indicators havebeen used:“absolute”, that is the annualquantity of the parameter in question(e.g. amount of waste producedin a year expressed in kilograms);“specific”, obtained by dividingthe absolute quantity of the parameterconsidered by the quantityof product manufactured in ayear for the electronic and solarphotovoltaic markets (millionsof equivalent square inches ofsilicon). This type of indicator isimportant as it shows the company’sperformance expressedin terms of product units. Someenvironmental aspects also showthe percentage value taken fromthe ratio: specifi c datum of theyear considered related to specific datum of the year 2000.The indicators are also shown ina graphic format for ease of reference.Each one of the following paragraphsis marked with a colouredcircle to indicate the level of importanceof impacts associatedwith the environmental aspectsdescribed therein (red for very importantimpacts, yellow for importantimpacts and green for unimportantimpacts).To individualise the direct or indirecteffects of the production cycleon the external environment theenvironmental aspects associatedwith different activities have beensubjected to a significance evaluation.The results of the evaluation arereported in the following tables.DIRECT ENVIRONMENTALASPECTSElectrical energy, steam and methan consumptionRaw material consumptionOil and combustible consumptionGroundwater consumptionDrinkable water consumptionAuxiliary materials consumption(for production, facility, shipping)Auxiliary materials consumption(for maintenance, storage, offices)Emissions to atmosphereDiffused emissionsWastewater dischargeCooling water, stormwater, civil wastewaterdischargeHazardous waste (recoverable or not)Not hazardous waste (recoverable or not)PCBODS: Ozone depleting chemicalsAsbestosOdorsExternal noiseRadiationSoil contaminationSoil occupationLandscape modificationInternal transportationBiodiversity effectsNormal conditionsEmergencyconditionsPastconditions✖✖✖✖✖✖✖✖✖✖✖ very significative ✖ significative ✖ not significative✖✖✖✖✖✖✖✖ ✖✖ ✖✖ ✖✖ ✖✖ ✖✖ ✖✖✖✖ ✖ ✖✖✖✖✖ ✖13
Page 1 and 2: ABSTRACT OFENVIRONMENTAL STATEMENT2
Page 3 and 4: 01IntroductionMEMC’s Novara site
Page 5 and 6: Novara siteMEMC Electronic Material
Page 7 and 8: A look at the historyThe constructi
Page 9 and 10: 04EnvironmentalPolicyMEMC’s Healt
Page 11: 06TheEnvironmental Management Syste
Page 15 and 16: Energy consumptionThe main source o
Page 17 and 18: Total water consumption - industria
Page 19 and 20: Consumption ofauxiliary materialsVa
Page 21 and 22: Consumption of chemical sustances:P
Page 23 and 24: Emissions intothe atmosphereThe pro
Page 25 and 26: Emissions into the atmosphere- Nitr
Page 27 and 28: Emission of CarbonDioxide Equivalen
Page 29 and 30: YearLimit by LawDLgs 152/0620002001
Page 31 and 32: WasteThe total waste production val
Page 33 and 34: Areas covered by reclaiming planM2M
Page 35 and 36: EXTERNAL TRANSPORTWith regards to t
Page 37 and 38: 09EnvironmentalImprovement Actions:
Page 39 and 40: 2008 - 2011 ENVIRONMENTAL PROGRAMOb
Page 41 and 42: Free translation of abstract fromEn

Novara Environmental Statement 2007 English MEMC-NO ...

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