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1980 1985 1990 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 TOTAL U.S. resident population a (thousands) 226,546 237,924 248,791 266,278 269,394 272,647 275,854 279,040 (R) 281,...(Thousands)
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1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 TOTAL motor vehicles 8,298 6,576 10,137 9,829 11,073 10,850 12,781 8,413 12,369 10,332...(Within 65 dB DNL noise-level contours)
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Year Exposure U.S. resident population (millions) People (thousands) Percent of U.S. resident population 1975 7,000 3.24 216.0...(Miles)
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Unknown 1963-1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total 1963-2004 TOTAL length 6 328 54 45 65 54 106 103 64 99 (R...Excel | CSV
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Total confirmed releases 87,528 126,816 184,457 237,022 270,567 303,635 317,488 341,773 371,387 397,821...Excel | CSV
Source 1985 1990 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons...(Million metric tons of carbon)
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Sector 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 (P) 2006 Total U.S. CO2 Emissions from energy use by...(Condensed nonattainment area list as of September 2003)
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Ref. no. States Consolidated nonattainment area name a Number of areas in nonattainment d Area...(Number of days with AQI values greater than 100 at trend sites and all monitoring sites)
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Metropolitan Statistical Area All sites Trend sites Total number of sites AQI...Excel | CSV
1970 1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 TOTAL all sources 220.88 159.67 74.16 22.89 14.77 7.68 7.05 5.49 4.98 4.17 3....