Workers: Chevron refinery ignored risk

http://www.sfgate.com/bayarea/article/Chevron-ignored-risk-in-11-workers-say-3946901.php

Unchecked corrosion, the suspected culprit in the August blaze that destroyed part of Chevron's Richmond refinery, was responsible for another fire at the plant last year that prompted workers to complain to regulators that the company was ignoring the problem, according to state inspection documents obtained by The Chronicle.