salaries and expenses, certification, inspection, and other services

salaries and expenses, certification, inspection, and other services For expenses necessary for the certification or inspection of certain products, and for the establishment of tolerances for pesticides, in accordance with sections 406, 408, 504, 506, 507, 604, 702A, and 706 of the Federal Food, Drug, and Cosmetic Act, as amended (21 U.S.C. 346, 346a, 354, 356, 357, 364, 372a, and 376), the aggregate of the advance deposits during the current fiscal year to cover payments of fees for services in connection with such certifications, inspections, or establishment of tolerances, to remain available until expended. The total amount herein appropriated shall be available for purchase of chemicals, apparatus, and scientific equipment; expenses of advisory committees; and the refund of advance deposits for which no service has been rendered.