Potential sources
Waldringfield Quarry operational landfill site
Sewage works just west of route to south of railway crossing
Two mineral extraction sites
Location
Waldringfield Heath, approximately 1km west of the Preferred Onshore Cable Corridor (grid reference 6261 2446)
Approx 100m south of where the Preferred Onshore Cable Corridor crosses railway at Martlesham
Seckford Hall, close to where the Preferred Onshore Cable Corridor crosses the A12 (approximate grid references 6250 2484 and 6253 2486). Approx 100m north of Preferred Onshore Cable Corridor
Church Lane Quarry mineral extraction site
Slurry lagoons
Blood Hill mineral extraction site
Household waste recycling facility
Works or depot (type unknown)
Mineral extraction site
Electricity substation
800m north of Preferred Onshore Cable Corridor in Claydon (6126 2498)
350m north of Preferred Onshore Cable Corridor, Cottage Farm, Little Blakenham (6116 2492)
South of Little Blakenham, 200m west of Preferred Onshore Cable Corridor (6112 2485)
Blood Hill, Somersham Road (6111 2484), approx 300m west of Preferred Onshore Cable Corridor
Just west of the Preferred Onshore Cable Corridor, south of Little Blakenham, at grid reference 6113 2480
Loraine Way, Bramford, in the area of the existing sand and gravel pits which are just outside the Preferred Onshore Cable Corridor (grid reference at centre 6123 2482).
Adjacent to Converter Station Refined Area of Search
Contaminants of concern
Landfill gases, leachate
Acids, alkalis, PCBs, methane, carbon dioxide and hydrogen sulphide
Made ground, fuel and fuel oils
Made ground, fuel and fuel oils
Nitrates, ammoniacal nitrogen
Made ground, fuel and fuel oils
Fuels Fuels, metals, PAHs
Made ground, fuel and fuel oils
Fuel oils, lubricating oils, heavy metals, polychlorinated biphenyls (PCBs), PAHs
Notes Infill material in old pits may include the following: heavy metals, ash, clinker, sulphates, petroleum hydrocarbons, polycyclic aromatic hydrocarbons (PAHs), asbestos etc.
Distances given are approximate, based on available details from historical mapping. 3.7.2 Plausible Contamination Pathways
The plausible pathways are summarised below: • Direct contact (soil, dust ingestion/inhalation and dermal contact);
East Anglia Offshore Wind Limited
Preliminary Risk Assessment, East Anglia ONE Windfarm 41388-PRA(03)
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