1. Every owner or operator shall, upon reasonable notice of the commissioner or his designee, permit a duly designated officer or employee of the department at all reasonable times to have access to and to copy all books, papers, documents and records relating to the daily measurement and inventory of petroleum stored at a facility.

2. Any duly designated officer or employee of the department may, at reasonable times and upon reasonable notice of the commissioner or a designee, enter and inspect any facility, provided that such officer or employee shall be accompanied by the owner or operator or their designee.