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Persistent, Bioaccumulative, and Toxic (PBT) Chemicals Rules
EPA has published two final rules that lowered the TRI reporting thresholds
for certain persistent bioaccumulative toxic (PBT) chemicals and added
certain other PBT chemicals to the TRI list of toxic chemicals. These
PBT chemicals are of particular concern not only because they are toxic
but also because they remain in the environment for long periods of time,
are not readily destroyed, and build up or accumulate in body tissue.
PBT Chemicals Information by Category
PBT Chemicals Final Rule
PBT Chemical Guidance
Documents
- Dioxin
and Dioxin-like Compounds Category (December 2000) (PDF,
180 KB)
The default emission factors in the dioxin and dioxin-like compounds
category guidance document were developed from three primary references:
- EPA’s Database
of Sources of Environmental Releases of Dioxin-Like Compounds
in the United States, U.S. Environmental Protection Agency,
National Center for Environmental Assessment, Office of Research
and Development, Washington, DC 20460, EPA/600/C-01/012, March,
2001.
- The Inventory
of Sources of Dioxin in the United States, US Environmental
Protection Agency, National Center for Environmental Assessment,
Office of Research and Development, Washington, DC 20460, EPA/600/P-98/002Aa.
- Estimating
Exposure to Dioxin-Like Compounds; Volume 2: Sources of
Dioxin-Like Compounds in the United States, EPA/600/P-00/001Bb,
Draft Final, September, 2000.
-
Mercury and Mercury Compounds (August 2001) (PDF, 97 KB)
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Pesticides and Other Persistent Bioaccumulative Toxic (PBT) Chemicals
(August 2001)(PDF, 174 KB)
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Polycyclic aromatic compounds (PACs)(August 2001) (PDF, 74 KB)
Additional Federal
Register Notices Related to the PBT Rule
Other EPA PBT
Links
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