Morning Wrap: 9/6/12

Chevron says that big white cloud above the Richmond refinery before its Aug. 6 fire was steam, whistleblower welder recants claims against PG&E pipelines, San Jose’s credit worthiness comes under more scrutiny, more.

• There was a little rain and even thunderclaps were heard over the Bay Area Wednesday, but the system is expected to clear out soon. Mercury News
• The state Public Utilities Commission rejected assertions that PG&E’s gas lines are riddled with faulty welds after one of two whistleblower welders recanted his allegations. Chronicle 
• Chevron contends that the giant white plume that rose above the Richmond refinery moments before the Aug. 6 fire was mostly steam. Chronicle
• Credit agencies are taking a hard look at San Jose’s credit worthiness, already downgraded in the spring. Mercury News
• A Berkeley law firm filed a class action lawsuit accusing the In-N-Out Burger chain of race, color and age discrimination. Bay City News Service