PASCO, Wash. (AP) — Washington state officials say an underground fire that started at a landfill in November 2013 has been extinguished.

The Yakima Herald reports that the Washington State Department of Ecology says it has taken steps to make sure another fire doesn't start at the Pasco Sanitary Landfill.

The 250-acre landfill is a federal Superfund site that no longer accepts waste. The underground fire was persistent but small.

Officials say data collected from temperature probes has not shown evidence of the fire for six months, and there are no indications of fire elsewhere in the landfill.

The next step is the release of a draft study to guide a cleanup plan for the landfill. About 32 businesses and government agencies, including Franklin County, could be liable for the cleanup.

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