A series of underground or aboveground shutoff valves controls transmission pipelines and most distribution mains. Only trained gas pipeline representatives or utility personnel should operate these valves. Never attempt to open or close underground or aboveground pipeline valves. Doing so could cause dangerous pressure changes or outages in the system.
If necessary, first responders may close aboveground service meter shutoff valves or appliance supply line shutoff valves. After a gas valve is closed, contact [your utility name here] immediately, and only trained gas pipeline representatives or utility personnel may reopen it.
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