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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 7MEMORANDA OF UNDERSTANDING
RULE §7.117Memorandum of Understanding between the Railroad Commission of Texas (RRC) and the Texas Commission on Environmental Quality (TCEQ)

the oil and gas exploration, development, and production industry are trained; used and/or unused drilling and completion/workover wastes generated at facilities where materials, processes, and equipment associated with oil and gas exploration, development, and production operations are researched, developed, designed, and manufactured; unless other provisions are made in the underground injection well permit used and/or unused drilling and completion wastes (but not workover wastes) generated in connection with the drilling and completion of Class I, III, and V injection wells; wastes (such as contaminated soils, media, debris, sorbent pads, and other cleanup materials) associated with spills of crude oil and natural gas liquids if such wastes are under the jurisdiction of the TCEQ; and sludges from washout pits at commercial service company facilities.

    (D) Under Texas Water Code, §27.0511(g), a TCEQ permit is required for injection of industrial or municipal waste as an injection fluid for enhanced recovery purposes. However, under Texas Water Code, §27.0511(h), the RRC may authorize a person to use nonhazardous brine from a desalination operation or nonhazardous drinking water treatment residuals as an injection fluid for enhanced recovery purposes without obtaining a permit from the TCEQ. The use or disposal of radioactive material under this subparagraph is subject to the applicable requirements of Texas Health and Safety Code, Chapter 401.

    (E) Under Texas Water Code, §27.026, by individual permit, general permit, or rule, the TCEQ may designate a Class II disposal well that has an RRC permit as a Class V disposal well authorized to dispose by injection nonhazardous brine from a desalination operation and nonhazardous drinking water treatment residuals under the jurisdiction of the TCEQ. The operator of a permitted Class II disposal well seeking a Class V authorization must apply to TCEQ and obtain a Class V authorization prior to disposal of nonhazardous brine from a desalination operation or nonhazardous drinking water treatment residuals. A permitted Class II disposal well that has obtained a Class V authorization from TCEQ under Texas Water Code, §27.026, remains subject to the regulatory requirements of both the RRC and the TCEQ. Nonhazardous brine from a desalination operation and nonhazardous drinking water treatment residuals to be disposed by injection in a permitted Class II disposal well authorized by TCEQ as a Class V injection well remain subject to the requirements of the Texas Health and Safety Code, the Texas Water Code, and the TCEQ's rules. The RRC and the TCEQ may impose additional requirements or conditions to address the dual injection activity under Texas Water Code, §27.026.

  (5) Drilling in landfills. The TCEQ will notify the Oil and Gas Division of the RRC and the landfill owner at the time a drilling application is submitted if an operator proposes to drill a well through a landfill regulated by the TCEQ. The RRC and the TCEQ will cooperate and coordinate with one another in advising the appropriate parties of measures necessary to reduce the potential for the landfill contents to cause groundwater contamination as a result of landfill disturbance associated with drilling operations. The TCEQ requires prior written approval before drilling of any test borings through previously deposited municipal solid waste under §330.15 of this title (relating to General Prohibitions), and before borings or other penetration of the final cover of a closed municipal solid waste landfill under §330.955 of this title (relating to Miscellaneous). The installation of landfill gas recovery wells for the recovery and beneficial reuse of landfill gas is under the jurisdiction of the TCEQ in accordance with Chapter 330, Subchapter I of this title (relating to Landfill Gas Management). Modification of an active or a closed solid waste management unit, corrective action management unit, hazardous waste landfill cell, or industrial waste landfill cell by drilling or penetrating into or through deposited waste may require prior written approval from TCEQ. Such approval may require a new authorization from TCEQ or modification or amendment of an existing TCEQ authorization.

  (6) Coordination of actions and cooperative sharing of information.

    (A) In the event that a generator or transporter disposes, without proper authorization, of wastes regulated by the TCEQ at a facility permitted by the RRC, the TCEQ is responsible for enforcement actions against the generator or transporter, and the RRC is responsible for enforcement actions against the disposal facility. In the event that a generator or transporter disposes, without proper authorization, of wastes regulated by the RRC at a facility permitted by the TCEQ, the RRC is responsible for enforcement actions against the generator or transporter, and the TCEQ is responsible for enforcement actions against the disposal facility.

    (B) The TCEQ and the RRC agree to cooperate with one another by sharing information. Employees of either agency who receive a complaint or discover, in the course of their official duties, information that indicates a violation of a statute, regulation, order, or permit pertaining to wastes under the jurisdiction of the other agency, will notify the other agency. In addition, to facilitate enforcement actions, each agency will share information in its possession with the other agency if requested by the other agency to do so.

    (C) The TCEQ and the RRC agree to work together at allocating respective responsibilities. To the extent that jurisdiction is indeterminate or has yet to be determined, the TCEQ and the RRC agree to share information and take appropriate investigative steps to assess jurisdiction.

    (D) For items not covered by statute or rule, the TCEQ and the RRC will collaborate to determine respective responsibilities for each issue, project, or project type.

    (E) The staff of the RRC and the TCEQ shall coordinate as necessary to attempt to resolve any disputes regarding interpretation of this MOU and disputes regarding definitions and terms of art.

  (7) Groundwater.

    (A) Notice of groundwater contamination. Under Texas Water Code, §26.408, effective September 1, 2003, the RRC must submit a written notice to the TCEQ of any documented cases of groundwater contamination that may affect a drinking water well.

    (B) Groundwater protection letters. The RRC provides letters of recommendation concerning groundwater protection.

      (i) For recommendations related to normal drilling operations, shot holes for seismic surveys, and cathodic protection wells, the RRC provides geologic interpretation identifying fresh water zones, base of usable-quality water (generally less than 3,000 mg/L total dissolved solids, but may include higher levels of total dissolved solids if identified as currently being used or identified by the Texas Water Development Board as a source of water for desalination), and include protection depths recommended by the RRC. The geological interpretation may include groundwater protection based on potential hydrological connectivity to usable-quality water.

      (ii) For recommendations related to injection, the RRC provides geologic interpretation of the base of the underground source of drinking water. The term "underground source of drinking water" is defined in 40 Code of Federal Regulations §146.3 (Federal Register, Volume 46, June 24, 1980).

  (8) Emergency and spill response.

    (A) The TCEQ and the RRC are members of the state's Emergency Management Council. The TCEQ is the state's primary agency for emergency support during response to hazardous materials and oil spill incidents. The TCEQ is responsible for state-level coordination of assets and services, and will identify and coordinate staffing requirements appropriate to the incident to include investigative assignments for the primary and support agencies.

    (B) Contaminated soil and other wastes that result from a spill must be managed in accordance with the governing statutes and regulations adopted by the agency responsible for the activity that resulted in the spill. Coordination of issues of spill notification, prevention, and response shall be addressed in the State of Texas Oil and Hazardous Substance Spill Contingency Plan and may be addressed further in a separate Memorandum of Understanding among these agencies and other appropriate state agencies.

    (C) The agency (TCEQ or RRC) that has jurisdiction over the activity that resulted in the spill incident will be responsible for measures necessary to monitor, document, and remediate the incident.

      (i) The TCEQ has jurisdiction over certain inland oil spills, all hazardous-substance spills, and spills of other substances that may cause pollution.

      (ii) The RRC has jurisdiction over spills or discharges from activities associated with the exploration, development, or production of crude oil, gas, and geothermal resources, and discharges from brine mining or surface mining.

Cont'd...

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