The company that paid a $50,000 fine for killing two rare fish in Knox County says the incident was "largely the result of independent contractors" drilling natural gas wells who were not under the company's direct supervision.
In a statement released through an attorney Friday, Nami Resources Co. of London said the contractors were dismissed after the 2007 spill of fluids that killed two blackside dace. The contractors, who were not named, are no longer used by the company, the statement said.
The company voluntarily cleaned up the well sites, it said.
On Wednesday, Nami paid $25,000 for violating the Endangered Species Act and $25,000 for violating the Clean Water Act after drilling fluids spilled into Acorn Fork.
The blackside dace is a federally threatened species.