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Environmental Statement volume 4 - Chiltern Evergreen3

Environmental Statement volume 4 - Chiltern Evergreen3

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Table L1Contaminated Land Risk RankingSEVERITYMinor Mild Moderate SevereLIKELIHOODUnlikely NOT SIGNIFICANT NOT SIGNIFICANT NOT SIGNIFICANT NOT SIGNIFICANTLow NOT SIGNIFICANT LOW LOW MODERATEModerate LOW MODERATE MODERATE HIGHHigh LOW MODERATE HIGH HIGHLikelihood = Source x Pathway x Receptor0-7 = Unlikely, 8-32 = Low, 32-63, = Moderate, 64-100 = HighTable L2Ranking Assessment of Potential SourcesDefinitionRating- Known large spills or leaking tank(s), or waste disposal on-site.OR- Large <strong>volume</strong>s of chemicals and wastes likely to have been used/generated historically and/or currently.4OR- Long history (>25 years) of potentially contaminative use.- Known localised spills.OR- Small <strong>volume</strong>s of chemicals and wastes likely to have been used/generated historically and/or currently.3OR-Recent history (

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