Do not use sewage sludge on arable land where the limits for PTEs have been exceeded or will be exceeded if the sludge is applied

Concentrations of potentially toxic elements (PTEs) are kept below maximum permissible limits on arable soils

Maintain/improve chemical soil status

Reduce concentrations of toxic elements within crops

Food safety - toxic elements

Reduce crop damage from phytotoxic elements

Maintain / improve crop yields

Increase farm income

Economic viability

Efficient use of resources - energy

Ensure food is available to meet consumer demand