The Secretary of State may appoint as inspectors, to assist him in the execution of this Act, such number of persons appearing to him to be qualified for the purpose as he may from time to time consider necessary or expedient.

For the purposes of this Act the Secretary of State shall appoint one of those inspectors to be chief inspector.

A person may be appointed both as an inspector or as chief inspector under the preceding subsections of this section and as an inspector or as chief inspector under section 16 of the Environmental Protection Act 1990.

The chief inspector may, to any extent, delegate his functions under this Act to any other inspector appointed under this section.

The Secretary of State may make to or in respect of any person appointed under this section such payments, whether by way of remuneration, allowances or otherwise as he may, with the approval of the Treasury determine.