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As Crews Seal Aliso Canyon Gas Leak, Public Officials Mull How to Prevent Another

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Crews for Southern California Gas this week are using concrete to seal up that months-long leak in a well at the Aliso Canyon natural gas storage field. Plugging the leak will stop its spew of methane and is a key step to helping thousands of Los Angeles County residents return home. It's also turning attention toward the safety of gas fields in the rest of the state.

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