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(within 65 dB DNL noise level contours)
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Exposure Year People (millions) Percent of U.S. resident population U.S. resident population (millions) 1975 7.0 3.2 215.5 1980 5...(Miles)
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Unknown 1970-79 1980-89 1990 1991 1992 1993 1994 1995 1996 1997 1998 Total 1970-98 Type I barriersa d6 102 419 44 78 113 62 48 87 34 47 114 R1,147 Type II barriersb 0 70 128 19 18...Excel | CSV
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Total confirmed releases 87,528 127,195 184,457 237,022 270,567 303,635 317,488 341,773 371,387 397,821 412,392 Cleanups...Excel | CSV
Source 1985 1990 1995 1996 1997 1998 1999 2000 Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents Gallons spilled Incidents...(Million metric tons of carbon)
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Sector 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000P IndustrialR 452.7 439.8 455.1 452.9 463.3 461.1 476.1 481.5 469.5 465.8 465.7 ResidentialR...(Condensed nonattainment area list as of September 2000)
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Ref. no. States Consolidated nonattainment area name a Number of areas in nonattainmentc,d Area...(Number of days with AQI values greater than 100 at trend sites and all monitoring sites)
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All sites Trend sites Total number of sites AQI days > 100 (...(Thousand short tons)
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1970 1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 TOTAL all sources 220.87 159.66 74.15 22.89 14.76 7.68 7.05 5.47 4.98 4.17...(Million short tons)
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1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Transportation ...(Million short tons)
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1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 TOTAL all sources 7.96 7.74 7.65 7.33 7.98 7.18 R7.70 R8.06 R7.86 N Transportation ...