(a) For the purposes of enforcement of sections 21a-335 to 21a-346, inclusive, officers or employees duly designated by the administrator, upon presenting appropriate credentials to the owner, operator or agent in charge, are authorized (1) to enter, at reasonable times, any factory, warehouse or establishment in which hazardous substances are manufactured, processed, packed or held for introduction into commerce or are held after such introduction, or to enter any vehicle being used to transport or hold such hazardous substances in commerce; (2) to inspect, at reasonable times and within reasonable limits and in a reasonable manner, such factory, warehouse, establishment or vehicle, and all pertinent equipment, finished and unfinished materials, and labeling therein; and (3) to obtain samples of such materials or packages thereof, or of such labeling.

(b) If the officer or employee obtains any sample, prior to leaving the premises, such officer or employee shall pay or offer to pay the owner, operator or agent in charge for such sample and give a receipt describing the samples obtained.

(c) Failure to permit entry or inspection as authorized by subsection (a) of this section shall be deemed an unfair or deceptive trade practice pursuant to § 42-110b.