A fee shall be payable to the Health and Safety Executive by the applicant if any testing is carried out by or on behalf of the Executive with the agreement of the applicant in connection with any purpose specified in column 1 of Schedule 10, and the fee for testing in connection with each such purpose shall be that specified in the corresponding entry in column 2 of that Schedule for each hour or part of an hour worked in respect of such testing and such fee shall be payable prior to the granting of the application.