ROYALTON, Vt. (AP) — Vermont environmental officials say the bridge that was dripping chemicals into a river and on top of swimmers will be subject to a remedial project this summer.

Officials have posted warning signs all around the bridge in Royalton that began dripping creosote into the White River this summer. The Valley News reports scientists with the Vermont Department of Environmental Conservation say the problem is likely not contained to one bridge, and they hope to confirm the Royalton water supply has not been polluted.

Creosote is a tar-like chemical and possible carcinogen used to protect lumber against fungus and insects, and had caused chemical burns on the skin of several people tubing on the river.

A DEC official says flowing river water tends to dilute contaminates.

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Information from: Lebanon Valley News, http://www.vnews.com