Cleanup underway after small oil spill at Tesoro

State environmental officials are investigating the cause of a recent oil spill near the Tesoro Refinery in the Kenai Peninsula Borough.
According to a report from the Alaska Department of Environmental Conservation, the refinery’s operator discovered the spill near a wastewater tank during a nightly inspection on Dec. 18. The report says Tesoro estimates the spill was made up of about 165 gallons of a crude oil and water mixture.
The Peninsula Clarion reports that the company shut do