30. Where an employer receives from a supplier a laboratory sample or a sample of a product intended solely to be analyzed in a laboratory and that he has reason to believe is a sample of a controlled product, he is not required to obtain the material safety data sheet for that product, provided that the sample is packaged in a container holding less than 10 kg of the product and a label is affixed thereto listing the information prescribed in paragraphs 1 to 5 of section 15.