To put that number in context, a recent peer - reviewed study found that methane leaks from Texas» Barnett Shale, a field that produces 7 percent of the nation's natural gas, had
an average leak rate of 65 tons per hour.
While industry
average leak rates (emissions / total nameplate capacity) are 3.8 %, ComEd's 2012 leak rate was 0.55 % for 2012 and 0.25 % for 2013.
Not exact matches
Under the consent decree, Trader Joe's agreed over the next three years to reduce its
leak rate to less than half the
average in the grocery store sector, and to use non-ozone depleting refrigerants at all new and heavily remodeled stores.
I was told the
average repair requires pulling the engine to access the
leak location or allow the engine to be (properly) taken apart, etc.... At any
rate you know the price tag is $ 1400 +.
1 ton = ~ 7.3 barrels oil estimated Gulf oil leakage
rate ~ 21600 barrels / day (5 - 40,000 depending on who's estimating) or 3000 tons / day methane emission = 1.5 e3 ton / day = 1.5 e9 g / day at 50 % methane by weight in the
leak (probably a high estimate) Gulf area = 1.5 e6 km ^ 2 = 1.5 e12 m ^ 2 Gulf
average depth = 1.62 e3 m Gulf volume = ~ 2.4 e15 m ^ 3