San Onofre Leaking Hydrogen

OFFSITE NOTIFICATION DUE TO HYDROGEN LEAKAGE

"The control room was notified that an unknown quantity of H2 gas (classified as a minor coupling leak [identified with Snoop liquid leak detector]) is currently being released to the air from the Unit 2 Full Flow Hydrogen skid. "The Environmental Protection Group reported the leak to the California Emergency Management Agency (Cal EMA) at 0809 PDT and the San Diego Department of Environmental Health at 0812 PDT lAW [plant] procedure S0123-XV-17.3, 'Spill Contingency Plan'. The Hydrogen Gas leak is currently still in progress. There is no gas collection areas. Maintenance is in the process of taking action to terminate the leak."

The licensee notified the NRC Resident Inspector.