|AGENCY||Texas Commission on Environmental Quality|
Public Notice of a Change in the Remedial Action for the Materials Recovery Enterprises State Superfund Site
The executive director of the Texas Commission on Environmental Quality (TCEQ or commission) is issuing this public notice of a change in the remedial action for the Materials Recovery Enterprises state Superfund site (the site), in accordance with 30 Texas Administrative Code §335.349(b)(2). A copy of this notice will also be published in the local newspaper.
The site is located approximately 1/4 mile north of Farm-to Market Road 604 and 1/2 mile east of U.S. 83, approximately four miles southwest of Ovalo, Taylor County, Texas. The United States Air Force, operated the site as an F-Class Intercontinental Ballistic Missile Site in the 1960s. In 1977, Materials Recovery Enterprises, Inc. acquired and operated the facility as a Class I industrial solid waste management facility and utilized the decommissioned missile silo to dispose of waste waters from the metal finishing and electroplating industries. Wastes were accepted at the site from approximately 1979 to 1984.
A public meeting was held on July 31, 2003, to receive comments on the remedial action, which consisted of removal and treatment of the majority of the silo water and then spray evaporation in an on-site irrigation area. Additionally, the silo was to be filled with a combination of soil fill, flowable fill, and/or low strength concrete. An Administrative Order (Docket Number 2002-0835-SPF) requiring certain agreeing parties to implement the selected remedial action was issued by the commission on September 12, 2003.
During implementation of the selected remedial action approximately two feet per day of silo water was evaporated on-site during the summer and fall of 2004. However, during August, October, and November of 2004 excessive rainfall created a large volume of storm water which was captured in the on-site irrigation area, thus negating much of the progress in water evaporation.
Therefore, the TCEQ intends to modify the selected remedial action such that accumulated storm water and approximately half of the silo water would be disposed of in an approved off-site disposal well. The remaining silo water would be solidified using fluidized bed ash and then returned to the silo to form a solid fill. Other aspects of the previously selected remedy would be unchanged.
The change in the remedy affects the scope, performance, or cost of the selected remedial action, but uses the same approach and results in a remedial action at least as protective as the originally proposed remedy.
For further information, please contact the project manager, Jeffrey E. Patterson, Texas Commission on Environmental Quality, Remediation Division, at (512) 239-2489, or Courtney Hill, attorney, TCEQ Litigation Division at (512) 239-2436.
Paul C. Sarahan
Director, Litigation Division
Texas Commission on Environmental Quality
Filed: April 12, 2005
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