(a) The Commissioner or his duly authorized agent shall have free access at all reasonable hours to any factory, warehouse, or establishment in which food is manufactured, processed, packed, or held for introduction into commerce and any vehicle being used to transport or hold such foods to commerce for the purposes:

(1) Of inspecting such factory, warehouse, establishment, or vehicle to determine if any of the provisions of this article are being violated; and

(2) Of securing samples or specimens of any food, after paying or offering to pay for such sample.

(b) It shall be the duty of the Commissioner to make or cause to be made examinations of samples secured under subsection (a) of this Code section to determine whether or not this article is being violated.