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National Grid
Tips of the trade
Welcome to National Grid’s Tips of the Trade for first responders. These tips are intended to help you respond safely and effectively to incidents involving natural gas and electricity. Please review them with your team.
Signs of a gas leak
Listen for a hissing, whistling or roaring sound as gas escapes from a pipe.
Confirm suspected gas leaks.
 
Remember the importance of adherence.
For more first responder safety information, visit firstresponder.ngridsafety.com.
 
 
 
811® | Know what's  below. | 811 before you dig.
 
 
 
 
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