1.4 : Environmental Data




1.4.10 2010 Emissions Summary Table for U.S. Buildings Energy Consumption (Thousand Short Tons) (1)
Buildings Buildings Percent
Wood/SiteFossil Electricity Total U.S. Total of U.S. Total
SO2 433 3,814 (2) 4,247 7,938 54%
NOx 656 1,554 2,210 12,914 17%
CO 2,926 540 3,466 67,790 5%
VOCs 219 34 253 13,443 2%
PM-2.5 378 294 672 4,495 15%
PM-10 383 318 701 10,778 7%
Note(s): 1) VOCs = volatile organic compounds; PM-10 = particulate matter less than 10 micrometers in aerodynamic diameter. PM-2.5 = particulate matter less than 2.5 micrometers in aerodynamic diameter. CO and VOCs site fossil emissions mostly from wood burning. 2) Emissions of SO2 are 28% lower for 2002 than 1994 estimates since Phase II of the 1990 Clean Air Act Amendments began in 2000. Buildings Energy Consumption related to SO2 emissions dropped 27% from 1994 to 2002.









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