(a) Cleanup and 24 hour reporting: Owners and/or Operators of storage tank systems shall contain and immediately clean up a spill or overfill and orally report to the department within twenty-four (24) hours all spills or overfills by telephone to (307) 777-7781, by FAX transmission to (307) 777-5973, or by electronic mail to http://deq.state.wy.us/ and begin corrective action in accordance with Sections 23 through 25 in the following cases:
(b) Owners and/or operators Costs: Costs incurred by owners and/or operators to contain and/or cleanup surface spills and/or overfills are not eligible for the state correction action program funds. Leaks that occur within a dispenser cabinet at or above the fire valve are considered surface spills and are not eligible for cleanup under the Corrective Action Account. Leaks that occur below the fire valve are leaks from piping and are eligible for cleanup under the Corrective Action Account.
(c) Small Spills: Owners and/or operators of storage tank systems shall contain and immediately cleanup a spill or overfill of petroleum that is less than 25 gallons and a spill or overfill of a hazardous substance that is less than the reportable quantity. If cleanup cannot be accomplished within twenty-four (24) hours, owners and/or operators shall immediately notify the department.
020-17 Wyo. Code R. § 17-22