Total environmental releases of dioxins
from all quantifiable sources decreased by 90% between 1987
*OTHER category includes: diesel heavy-duty trucks, industrial
wood combustion, diesel off-road equipment, EDC/VCM production,
sintering plants, automobiles using leaded gasoline, land
applied 2,4-D, iron ore sintering, oli-fired utilities, lightweight
aggregate kilns that combust hazardous waste, petroleum refining,
catalyst regeneration, cigarette smoke, boilers/industrial
furnaces, crematoria, and drum reclamation.
Note: "Dioxin" here is defined as the totality
of 7 dioxins and 10 furans. "TEQ" denotes "toxic equivalent,"
a quantitative measure of the combined toxicity of a mixture
of dioxin-like chemicals.
Source: U.S. EPA (Environmental Protection
Agency). 2006. An inventory of sources and environmental releases
of dioxin-like compounds in the United States for the years
1987, 1995, and 2000. National Center for Environmental Assessment,
Washington, DC; EPA/600/P-03/002F. (http://cfpub.epa.gov/ncea/cfm/recordisplay.cfm?deid=159286)