Eastman Chemical Company Has Alerted National Authorities Of A Release Of An Unknown Oil Substance Into The Sourth Fork River. The Tennessee Department Of Environmental Conservation Says They Are Communicating With Eastman And En Route To Investigate. The Release Happened The Same Time As An Airborne Emmission Of Iodine After A Power Outage At The Plant. The City Of Kingsport And Eastman Is Asking The Public To Avoid The Area Around The Plant.