3. The provisions of these Regulations shall not apply to—
(a)any fixed public or private water supply equipment;
(b)any substance which, being used as a covering or coating for a food, forms part of that food and may be consumed with it, including such a substance used as covering or coating for cheese rind or prepared meat products;
(c)any material or article intended for export to any place outside the United Kingdom;
(d)any material or article which is a collector’s piece of artistic, archaeological or ethnographic interest or to any other material or article of an age exceeding 100 years.