§ 52.12  NOTIFICATION OF SPILLS.
   (A)   Notwithstanding other requirements of law, as soon as any person responsible for a facility or operation, or responsible for emergency response for a facility or operation has information of any known or suspected release of materials which are resulting, or may result, in illicit discharges or pollutants discharging into stormwater, the storm drainage system, or water of the United States, said person shall take all necessary steps to ensure the discovery, containment, and cleanup of such release.
   (B)   (1)   In the event of such a release of hazardous materials said person shall immediately notify emergency response agencies of the occurrence via emergency dispatch services.
      (2)   In the event of a release of an illicit discharge, said person shall immediately notify the authorized enforcement agency.
      (3)   If the discharge of prohibited materials emanates from a commercial or industrial establishment, the owner or operator of such establishment shall also retain an on-site written record of the discharge and the actions taken to prevent its recurrence. Such records shall be retained for at least three years.