Who makes the determination? Local authorities (LAs) have sole responsibility for determining whether land is contaminated land under Part IIA of the Environmental Protection Act 1990 (EPA 1990). They cannot delegate this responsibility, other than in accordance with their statutory powers under the section 101 of the Local Government Act 1972. LAs may rely on information or advice from the Environment Agency (EA), Natural Resources Wales (NRW) or a suitably qualified expert when considering whether to determine land. However, the ultimate decision must be made by the LA. In practice, the determination is likely to be made by an officer acting under delegated authority or by committee resolution. Whoever the decision maker is, they must ask themselves whether the land is, or is not, contaminated land. At this stage, it is not relevant to consider whether it is appropriate to serve a remediation notice. That question follows the determination. For example, in Shelley, a LA committee asked itself the wrong question when determining whether a statutory nuisance existed. It considered whether it was appropriate to serve an abatement