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Rockwool Industries, Inc.

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Printable Version (PDF) (43 K, 1 pp)

Site Description

The Rockwool Industries, Inc. site is located approximately one mile east of Belton, TX. The site occupies approximately 100 acres of land zoned for heavy industrial use. Currently inactive, the Rockwool facility operated as a mineral wool insulation manufacturing plant from mid-1950 until February 1987. Rockwool manufactured two types of mineral wool insulation, blow wool and batt wool. Blow wool, which is generally spray-blown into attics and other enclosed spaces to provide thermal insulation, is composed of bulk mineral wool fibers lightly coated with lubricating oil. Batt wool is typically used for wall insulation and consists of mineral wool that is bound with an organic resin and sandwiched into paper. Approximately 15,000 to 18,000 cubic yards and 20,000 to 30,000 cubic yards of a waste by-product called "spent iron shot" was piled on the north and south sides of the site. An undetermined amount of "spent shot" waste adjoins the north side of the site. Sediment from the Leon River is contaminated primarily with antimony.

Current Site Status and Cleanup Actions to Date

  • In 1999, EPA studied the nature and extent of contamination.
  • EPA used an innovative phased Ecological Risk Assessment process to reduce the implementation time and cost of the cleanup remedy.
  • EPA is in the process of designing the site's cleanup plan, which will most likely include excavating contaminated soil and sediments (PDF) (530 K, 2 pp) and placing them in a secure container.
  • On August 20, 2004, EPA released its proposed cleanup plan for public comment.

Current Funding Status

  • Approximately $2,461,173 has been spent to date for the Remedial Investigation/Feasibility Study (RI/FS) and the Remedial Design (RD).
  • In September 2002, EPA awarded a $50,000 Superfund Redevelopment Initiative grant to the City of Belton to transform the site to beneficial use by attracting industrial/commercial entities to relocate to the site.
  • The site was still in the design phase, and not ready to begin construction in Fiscal Year 2004.
  • The EPA has determined that the site does not pose an immediate threat to human health, and will continue to monitor this site for any changes that may trigger additional action.

For more information on the projects at this site, please read the Rockwool Industries, Inc. Fact Sheet (PDF) (146 K, 6 pp) on the Region 6 Superfund Web site.

Key Accomplishments

  • EPA awarded a $50,000 Superfund Redevelopment Initiative grant to the City of Belton to transform the site to beneficial use by attracting industrial/commercial entities to relocate to the site.
  • EPA used an innovative phased Ecological Risk Assessment process to reduce the implementation time and cost of the cleanup remedy.

 

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