american crossarm & conduit co.

99 CHEHALIS AV SW

The American Crossarm & Conduit Company site is located on 16 acres of land in Chehalis, Washington. The site consisted of a wood treatment facility, a factory, a cooling shed, drying kilns, and an impoundment for surface runoff and wastewater. EPA finished remedial cleanup of this site in 1996. Crossarm began operations in 1948, primarily as a treatment facility for utility pole crossarms. Originally, the crossarms were pressure-treated with creosote. Later, the process used pentachlorophenol (PCP). Beginning in 1952, Crossarm deposited solid waste on the property just south of the factory area. In 1983, wood treatment activities ended. During a flood in 1986, waters from the nearby Chehalis River flowed onto the site and were contaminated with PCP and diesel fuel. Residential and commercial neighborhoods to the north and the northeast were affected by the contamination transported by the flood. A site fire in 1987 left some of the kilns exposed. After 1987, the site was operated as a salvage yard; cars and other machinery were stored in the old factory. Apartment buildings and approximately 200 homes are located in residential neighborhoods to the northeast and east of the facility. A softball field is next to the eastern boundary of the site. Dillenbaugh Creek, which empties into the Chehalis River less than one mile downstream from the site, is approximately 500 feet away. A stormwater runoff lagoon, contaminated by Crossarm activities, is a backwater associated with Dillenbaugh Creek.

Hazardous Ranking Score

30 / 100

A score of 28.5 or higher qualifies a site for the Superfund National Priority List.

Regional Contact

Region 10
Phone: (800) 424-4372

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Timeline

Discovery
Site Inspection
Preliminary Assessment
Final Listing On NPL
Removal

Contaminants & Health Effects

      Carcinogen
      Endocrine Disrupter
      Neurotoxic
      Sensitiser
      Reproductive Toxin
      Persistent, bioaccumulative and toxic
      VOC
      Mutagen

        Census

        White
        African American
        Asian
        American Indian and Alaska Native
        Native Hawaiian
        Other

        5,368

        People living
        within a 1 mile radius

        $62,607

        Average Income

        2,063

        Occupied homes

        Potentially Responsible Parties

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