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Thompson Hayward Chemical Co.

No further Superfund environmental response actions are required on this former pesticide formulating facility in Munday, Knox County. This site was referred to the Voluntary Cleanup Program.

Referred to Voluntary Cleanup Program (VCP ID 1307)

Site Background

The Thompson Hayward Chemical site is located on the east side of U.S. Route 277, 0.5 mile south of Munday. On this site a pesticide formulating facility operated until the late 1960s. The site includes earthen pits in which parathion and DDT concentrates were diluted and blended to prepare pesticides to order. At the time of the hazard ranking scoring, the contaminants of concern included arsenic, and chlorinated pesticides.

Superfund Actions Taken to Date

  • September 25, 1990, a legal notice was published in the Texas Register (15 TexReg 5623-5624) describing the site, proposing the site to the state Superfund registry and announcing that a public meeting to receive citizen comments would be held at the City Hall Council Chambers in Munday on October 29, 1990.
  • September 15, 1992, effective date of an agreed administrative order signed by potentially responsible parties to pay for a remedial investigation/feasibility study to determine the nature and extent of contamination.
  • February 25, 1993, TNRCC approved the remedial investigation Phase I workplan.
  • September 1, 1993, effective date of the creation of the Texas Natural Resource Conservation Commission from the joining of the Texas Water Commission and the Texas Air Control Board and a portion of the Texas Department of Health.
  • July 13, 1994, effective date of the agreed administrative order Amendment No. 1 to add additional investigation requirements.
  • October 26, 1995, TNRCC approved the remedial investigation Phase II workplan.
  • December 28, 1996, the final report was approved.
  • March 3, 1997, remedial investigation completed.
  • December 1, 1999, TNRCC accepted the PRP's notice of intent to conduct a site assessment under the Texas Risk Reduction process standards for the site.
  • February 8, 2000, TNRCC approved the remedial goals document which details the cleanup goals for the site.
  • March 27, 2000, the potentially responsible party conducted additional field investigations to further characterize the area of soil contamination and classify debris for disposal.
  • November 20, 2000, TNRCC approved the response action plan which describes the actions the PRPs plan to take to address the contamination. The approval completed the remedial investigation and feasibility phase for the site.
  • January 26, 2001, TNRCC received an application from the PRPs requesting that the remedial action continue under the Voluntary Cleanup Program.
  • February 5, 2001, the TNRCC Voluntary Cleanup Program completed the review of the application and assigned a project number: VCP-1307. To continue tracking this site, see the Voluntary Cleanup Program index page and then the database. The link from the index page includes instructions to download and decompress the file.
  • May 25, 2001, a legal notice Exit TCEQ Site was published in the Texas Register, (26 TexReg 3868) proposing to delete the site from the state Superfund registry in accordance with 30 TAC §335.344(c)and inviting comment prior to, or at, a public meeting to be held June 26, 2001, at the TNRCC offices, 12100 Park 35 Circle, Building C, Room 131E. Remediation of the site will be monitored by the Voluntary Cleanup Program using Texas Risk Reduction Program (TRRP) Standard B, restricting use of the land to commercial/industrial purposes.
  • June 26, 2001, a public meeting was held at the TNRCC offices in Austin to receive community comments on the proposal to delete Thompson Hayward Chemical from the state
    Superfund registry, monitor cleanup by the Voluntary Cleanup Program using Texas Risk Reduction Program Standard B, and restricting use of the land to commercial/industrial purposes. No substantive challenges to the proposal were received.
  • August 10, 2001, a legal notice Exit TCEQ Site was published in the Texas Register (26 TexReg 6051-6052) officially deleting the Thompson Hayward Chemical site from the state Superfund registry in accordance with 30 TAC §335.334(c). The site has been accepted into the TNRCC Voluntary Cleanup Program in accordance with 30 TAC §335.344(d).
  • September 1, 2002, effective date of the name change from Texas Natural Resource Conservation Commission (TNRCC) to Texas Commission on Environmental Quality (TCEQ).

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Site Specific Information

EPA ID : TXD981059108
Location : Munday, Knox County
Site Status : NO FURTHER SUPERFUND ENVIRONMENTAL RESPONSE ACTIONS ARE REQUIRED
Type of Facility : Pesticide Formulating
Category : Deleted from Registry
Media Affected : Groundwater, Soil
Latitude : 33º26'38"N
Longitude : -99º37'27"W
Hazard Ranking Score (HRS) : 19.03
Contaminants at time of HRS : Arsenic, Chlorinated Pesticides
TCEQ Region : Abilene - 3
Funded by : Potentially Responsible Parties

Contact Information

Voluntary Cleanup Program Contact
Shelley Anderson
713-767-3500
E-mail: vcp@tceq.texas.gov

Superfund Program Contact
Jeffrey E. Patterson
Phone: 512-239-2489 or 1-800-633-9363
E-mail: superfnd@tceq.texas.gov

Records Repositories

City-County Library
121 East B Street
Munday TX 76371
940-422-4877

TCEQ Central File Room
12100 Park 35 Circle Building E,
First Floor Room 103
Austin, TX 78753
512-239-2900
512-239-1850 (fax)
cfrreq@tceq.texas.gov