Contamination of Concentration of Indirect: Management of Require that loading sites groundwater fertiliser and loading in proximity to wellheads be Leaching through application rates Ensure that client managed to ensure that soil Soil type highly has established spillages are contained – permeable and appropriate rate, Direct: fertilisers that are concentration gradient mobile for the soil profile Spillages/ overflows Methods of disposal at loading Inappropriate disposal Direct and indirect: Inappropriate disposal of wastes Contamination of Fertilisers that Indirect: Follow use Require that use soils/ land are, or contain Permeability requirements requirements are followed – substances not mobile moves nutrients through Ensure that client Ensure management of in soil soil profile but has established loading sites to contain Inappropriate contaminants eg: Cd appropriate rate, for the spillages application and F remain bound to soil profile Inadequate soil particles Loading sites, and containment at loading Direct: storage Frequency and rate of application of fertiliser Amenity values Proximity of Indirect: Minimising potential Classify amenity areas as people timing and Off target drift for drift technical sensitive areas – – location options (Refer *) Plan provisions relating Direct: to reverse sensitivity in rural
Contamination of groundwater Concentration of fertiliser and application rates Soil type – highly permeable and fertilisers that are mobile Indirect: Leaching through soil Direct: Spillages/ overflows at loading Inappropriate disposal Direct and indirect: Inappropriate disposal of wastes Management of loading Ensure that client has established appropriate rate, concentration gradient for the soil profile Methods of disposal Require that loading sites in proximity to wellheads be managed to ensure that spillages are contained Contamination of soils/ land Fertilisers that are, or contain substances not mobile in soil Inappropriate application Inadequate containment at loading Indirect: Permeability – moves nutrients through soil profile but contaminants eg: Cd and F remain bound to soil particles Direct: Frequency and rate of application of fertiliser Follow use requirements Ensure that client has established appropriate rate, for the soil profile Loading sites, and storage Require that use requirements are followed Ensure management of loading sites to contain spillages Amenity values Proximity of people – timing and location Indirect: Off target drift Direct: Minimising potential for drift – technical options (Refer *) Classify amenity areas as sensitive areas Plan provisions relating to reverse sensitivity in rural
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