In the wake of the fatal San Bruno natural-gas pipeline explosion, PG&E is releasing a list of the 100 riskiest pipelines in the state, the company announced Monday.

PG&E President Chris Johns made the announcement in San Francisco almost two weeks after the Sept. 9 fireball that ripped through the quiet San Mateo County community that killed seven. Only four of the deaths of been confirmed by officials. Three members of a family remain unaccounted for and are also believed to be dead.

Customers with questions about gas transmission pipelines can call (888) 743-7431.