(1) For enforcement of this chapter, officers or employees duly designated by the department, upon presenting appropriate credentials to the owner, operator, or agent in charge, are authorized to:
(a) enter at reasonable times a factory, warehouse, or establishment in which hazardous substances are manufactured, processed, packed, or held for introduction into commerce or are held after introduction;
(b) enter a vehicle being used to transport or hold hazardous substances in commerce;
(c) inspect at reasonable times, within reasonable limits, and in a reasonable manner a factory, warehouse, establishment, or vehicle and all pertinent equipment, finished and unfinished materials, and labeling in the factory, warehouse, establishment, or vehicle; and
(d) obtain samples of materials or packages or labeling.
(2) If the officer or employee obtains a sample, prior to leaving the premises the officer or employee shall pay or offer to pay the owner, operator, or agent in charge for the sample and give a receipt describing the samples obtained.