June 13, 2017
A Washington state administrative judge threw out $2.4 million in fines levied against refiner Tesoro Corp. for a 2010 explosion that claimed the lives of seven workers at the company’s Anacortes, Washington, refinery. Judge Mark Jaffe said Washington state’s Department …
August 3, 2016
The U.S. Chemical Safety Board said on Tuesday workers were injured in incidents between 2010 and 2014 at Tesoro Corp.’s San Francisco Bay-area refinery in Martinez, California because of a weak safety culture the company permitted to exist. “The safety …
August 18, 2014
The U.S. Justice Department said it will file no criminal charges following a four-year investigation into the April 2010 explosion that killed seven workers at the Tesoro Corp. refinery in Anacortes, Wash. The decision was shared with victims’ relatives on …
October 18, 2013
North Dakota officials are trying to determine if Tesoro Corp. knew about potential problems with a pipeline that leaked more than 20,000 barrels of crude oil in a wheat field in the northwestern part of the state. Environmental health chief …