Each person owning or operating an oil or gas well in the city limits of the city shall provide the city fire department a current inventory of hazardous materials used on said operator or owner's drilling or production-site. All such hazardous materials located at any drilling or production-site shall have the appropriate diamond shape and number clearly visible delineating the material contained therein.
(Ord. No. 2272, § 1, 1-26-93)