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Hu-Mar Chemicals

This former pesticide/herbicide production facility near Palacios, Matagorda County has just completed the feasibility study phase of the state Superfund program.

Site Summary

The Hu-Mar Chemicals Inc. site is located on the northern outskirts of Palacios, on McGlothlin Road, between 4th and 12th Street, west of State Highway 35, in Matagorda County, Texas. The 18-acre property was used for the production of pesticides and herbicides in the 1970s.

The facility was constructed by the Consolidated Chemical Company for pesticide and herbicide production and purchased by Hu-Mar Chemical Inc. (Hu-Mar). Operations at the Hu-Mar facility included manufacturing and handling of herbicides and their precursors and byproducts, including thiocarbamates and phosgene gas, as well as disposal of the byproducts of herbicide manufacturing and other wastes generated at the site. In 1980, operations ceased after a temporary injunction was brought by the State of Texas against Hu-Mar for the improper storage of several hundred deteriorating drums containing unknown materials.

After the facility closed, Hu-Mar conducted removal activities with the State's concurrence in 1980 and 1985. These removal activities included demolition of an old brick kiln, off-site disposal of drums and contaminated soil underlying the kiln, removal of phosgene gas cylinders and on-site tanks, and closure of the on-site surface impoundments.

In 1999, the State conducted an investigation of the remaining contaminants at the site and documented hazardous substances in groundwater as a result of the pesticide production.

Superfund Registry and Investigation

In January 2000 the TCEQ proposed the site to the state Superfund registry. The remedial investigation began in June 2000 and the feasibility study began in October 2008.

Current Status

In May 2018, the TCEQ completed the focused feasibility study, which evaluated remedial action alternatives for the site. In July 2018, the TCEQ prepared a Proposed Remedial Action Document, which describes the proposed remedial action alternative (remedy).

The TCEQ will hold a public meeting on September 20, 2018, in Palacios, Matagorda County, Texas, concerning the proposed remedy for the site.  A legal notice was published on August 8, 2018, in the Palacios Beacon newspaper and also on August 10, 2018, in the Texas Register (43 TexReg 5265).

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