Sch 1 para 12
(1) The Secretary of State may— (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (b) carry on such ... activities as in his opinion can conveniently be carried on in conjunction with a microbiological service provided under section 2A . (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (3) Charges may be made for services or materials supplied. (4) A power under this paragraph may be exercised both for the purposes of the health service and for other purposes.