Pacific Gas and Electric Co. said it has fulfilled four of the 12 safety recommendations outlined by the National Transportation Safety Board following the natural gas transmission pipeline explosion that killed eight people in San Bruno, CA, two years ago. The San Francisco-based combination utility said it expects to satisfy two more recommendations in early 2013, which include validating maximum allowable operating pressures (MAOP) for all transmission pipelines. Recommendations completed include an emergency response procedure, 911 notifications from the utility's gas control room, toxicological tests for employees involved in major incidents, and updating the utility record keeping system that tracks the MAOP for critical pipeline segments.

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