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2. Helium mass spectrometer - Wikipedia

   en.wikipedia.org/wiki/Helium_mass_spectrometer

   Typically a helium leak detector will be used to measure leaks in the range of 10 −5 to 10 −12 Pa·m 3 ·s −1. A flow of 10 −5 Pa·m 3 ·s −1 is about 0.006 ml per minute at standard conditions for temperature and pressure (STP). A flow of 10 −13 Pa·m 3 ·s −1 is about 0.003 ml per century at STP.

3. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   Optimal detection distance varies and is influenced by camera lens size, resolution, field of view, thermal detection range and sensitivity, leak size, and other factors. The system's layers of filters and immunity to environmental elements, such as snow, ice, rain, fog and glare, contribute to false alarms reduction. The video monitoring ...

4. Southern California Gas Co. settles lawsuit alleging Prop. 65 ...

   www.aol.com/news/southern-california-gas-co...

   The Southern California Gas Co. settled a lawsuit this week filed by the Center for Environmental Health stemming from the 2015 Aliso Canyon facility gas leak, the largest natural gas leak in U.S ...

5. Tracer-gas leak testing - Wikipedia

   en.wikipedia.org/wiki/Tracer-gas_leak_testing

   A tracer-gas leak testing method is a nondestructive testing method that detects gas leaks.A variety of methods with different sensitivities exist. Tracer-gas leak testing is used in the petrochemical industry, the automotive industry, the construction industry [1] and in the manufacture of semiconductors, among other uses.

6. Severe natural gas leak in Los Angeles County could be major ...

   www.aol.com/article/2015/12/29/severe-natural...

   The leak is releasing up to 110,000 pounds of gas per hour. An underground well-casing might have failed, pushing the pressurized gas to the surface. Severe natural gas leak in Los Angeles County ...

7. Sun Valley residents endured a methane leak for years. Now L ...

   www.aol.com/news/sun-valley-residents-endured...

   For years, Sun Valley and Pacoima residents were plagued by illness and didn't know why. It turns out the DWP had hidden a methane leak at the Valley Generating Station.