Koppers controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2020
Koppers agrees to settlement over facility violations
Settlement
Koppers agreed to a proposed settlement with the U.S. Environmental Protection Agency addressing more than 30 violations at facilities in West Virginia and Pennsylvania. Under the proposed agreement, Koppers did not admit to the violations and agreed to pay amounts to the United States, West Virginia, and Pennsylvania.
Source excerpt
A Pittsburgh-based chemical and materials company has agreed to pay nearly $1 million for failing to follow state and federal laws for preventing and responding to oil spills, under a settlement with the U.S. Environmental Protection Agency.
Under the proposed settlement, the company did not admit to the violations, but will take steps to come into compliance. Koppers will also pay $800,000 to the United States, $175,000 to West Virginia and $24,500 to Pennsylvania.
2001
Oroville wood-treatment contamination
Koppers closed a 205-acre wood-treatment facility in Oroville, California, after contamination was identified at the site and in surrounding areas. Reported substances included pentachlorophenol and chromium, and the contamination was associated with concerns about chemicals entering the local drinking-water supply.