LAC 33:VII.909. Closing Unauthorized and Promiscuous Dumps

A. The administrative authority shall require closure of unauthorized dumps either by removal of the waste to an approved solid waste facility or by completing on-site closure requirements. The method of closure must be approved by the administrative authority prior to closure. B. After an unauthorized dump is discovered, the administrative authority may issue an enforcement action with a closure directive to the owner/operator. Directives issued for unauthorized dumps shall require closure of the unauthorized dump in accordance with the procedures in this Section. C. Requirements for on-site closure are as follows. 1. If required, or authorized and approved, by the administrative authority, closure shall be conducted in accordance with LAC 33:I.Chapter 13. However, the requirements of Subparagraph C.2.g of this Section shall apply. If closure in accordance with LAC 33:I.Chapter 13 results in constituent-of-concern levels remaining above those allowed for residential scenarios, the requirements of Subparagraph C.2.f of this Section shall also apply. 2. If closure will not be conducted in accordance with Paragraph C.1 of this Section, then approval or authorization may be granted by the administrative authority for the following alternative closure requirements: a. extinguish all fires; b. dewater and either solidify waste for return to the landfill or discharge it as governed by a NPDES/LPDES permit, if applicable; c. implement a disease vector extermination program, if applicable; d. compact the waste with suitable equipment; e. provide a final cover consisting of a minimum of 24 inches of silty clays and 6 inches of topsoil cover for supporting vegetative growth, and revegetate the area to control erosion if necessary; f. record in the parish mortgage and conveyance records a document describing the specific location of the facility and specifying that the property was used for the disposal of solid waste. The document shall identify the name of the person with knowledge of the contents of the facility, as well as providing the chemical levels remaining, if present. A true copy of the document, filed and certified by the parish clerk of court, shall be sent to the Office of Environmental Compliance; and g. conduct long-term monitoring in accordance with Subsection E of this Section, if deemed necessary by the administrative authority. D. Inspection and Reports. The administrative authority reserves the right to inspect the facility to determine if the requirements for closure have been met. E. Long-Term Monitoring Responsibilities. The administrative authority may require the following or other long-term monitoring responsibilities of the person legally responsible for the unauthorized dump if deemed necessary. 1. Installation of groundwater monitoring wells in accordance with LAC 33:VII.709.E may be required, along with semiannual reporting for a period of 10 years of monitoring of the facility after closure, or longer if deemed necessary, on a facility-specific basis. 2. Annual reports may be required for a period of three years, or longer if deemed necessary, on the condition of the final cover and the use of the property. F. An owner who voluntarily requests closure of a promiscuous dump shall close it either by removal of the waste to an approved solid waste facility or by completing on-site closure requirements in accordance with Subsection C of this Section. The method of closure must be approved by the administrative authority prior to closure. The department reserves the right to apply the provisions of Subsections C, D, and E of this Section to close promiscuous dumps.