The purpose of identification requirements is to minimize the potential for human exposure and to facilitate remediation in the event of component malfunction or a contamination event.

(1) An application tank must:

(a) Have the registered product label or labels (including the EPA registration number(s) and the appropriate EPA establishment number) prominently affixed to the application tank if it contains product;

(b) Display its maximum net capacity;

(c) Display a contact name and telephone number; and

(d) Display an owner-derived numeric or alphanumeric tank identifier.

(2) This information must be visibly recorded and securely affixed to each application tank. The label and distinguishing information shall be designed to remain intact and legible throughout the active use of the container.

(3) Lettering that displays the contact name, telephone number, and tank identifier shall be a minimum of two inches in height and in a color contrasting to the background.