Dioxins definition

Dioxins means dibenzo-p-dioxins and dibenzofurans chlorinated in the 2,3,7, and 8 positions and containing 4,5,6, or 7 chlorine atoms and is expressed as 2,3,7,8 tetrachlorinated dibenzo-para-dioxin equivalents using current California Department of Health Services toxic equivalency factors.
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Dioxins or “furan” or “furans” shall mean the seventeen chlorinated dibenzo-p-dioxins and chlorinated dibenzofurans identified by the World Health Organization in The 2005 World Health Organization Re-evaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin-like Compounds, and as set forth below: Congener (Full-Name) Congener (Abbreviation) CAS No Dioxins 2,3,7,8-Tetrachlorodibenzo-p-dioxin 2,3,7,8-TCDD 1746-01-6 1,2,3,7,8-Pentachlorodibenzo-p-dioxin 1,2,3,7,8-PCDD 00000-00-0 1,2,3,4,7,8- Hexachlorodibenzo-p-dioxin 1,4-HxCDD 00000-00-0 1,2,3,6,7,8- Hexachlorodibenzo-p-dioxin 1,6-HxCDD 00000-00-0 1,2,3,7,8,9- Hexachlorodibenzo-p-dioxin 1,9-HxCDD 00000-00-0 1,2,3,4,6,7,8- Heptachlorodibenzo-p-dioxin 1,4,8-HpCDD 00000-00-0 1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin OCDD 3268-87-9 Furans 2,3,7,8-Tetrachlorodibenzofuran 2,3,7,8-TCDF 00000-00-0 1,2,3,7,8-Pentachlorodibenzofuran 1,2,3,7,8-PCDF 00000-00-0 2,3,4,7,8-Pentachlorodibenzofuran 2,3,4,7,8-PCDF 00000-00-0 1,2,3,4,7,8-Hexachlorodibenzofuran 1,4-HxCDF 00000-00-0 1,2,3,6,7,8- Hexachlorodibenzofuran 1,6-HxCDF 00000-00-0 1,2,3,7,8,9- Hexachlorodibenzofuran 1,9-HxCDF 00000-00-0 2,3,4,6,7,8- Hexachlorodibenzofuran 4,6-HxCDF 00000-00-0 1,2,3,4,6,7,8- Heptachlorodibenzofuran 1,4,6-HpCDF 00000-00-0 1,2,3,4,7,8,9- Heptachlorodibenzofuran 1,4,9-HpCDF 00000-00-0 1,2,3,4,6,7,8,9-Octachlorodibenzofuran OCDF 00000-00-0 Individual dioxins and furans are assessed using a toxic equivalency factor (“TEF”), which is an estimate of the relative toxicity of the compounds to 2,3,7,8- tetrachlorodibenzo-p-dioxin. These converted concentrations are then added together to determine the “toxic equivalence concentration” (“TEQ”) of the dioxin and furan compounds as a whole.
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Dioxins. The legal action threshold set out in the current version of Annex II to Directive 2002/32/EC apply, namely 0.5 ng WHO-PCDD/F-TEQkg (ppt)* in compound feed.
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Examples of Dioxins in a sentence

  • Since FY2000, local public authorities have been conducting such surveys on a large scale as the regular observation under the Dioxins Law.

  • Dioxins and furansTechniqueAdvantagesDisadvantagesOptimisationDefined as BAT in BREFor TGN for:Optimise combustion controlAll measures will increase oxidation ofthese species.

  • Dioxins and furans means tetra-, penta-, hexa-, and octachlorinated dibenzo dioxins and furans.

  • The 2005 World Health Organization Reevaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin-Like Compounds.

  • The periodical monitoring of Dioxins and Furans in the Stack emissions shall be carried out.

  • Dioxins and furansTechniqueAdvantagesDisadvantagesOptimisationDefined as BAT in BREFor TGN for:Optimise combustion controlAll measures will increaseoxidation of these species.

  • For the purpose of estimating risks posed by emissions from boilers and industrial fur- naces, however, specific congeners and hom- ologues must be measured using the specified method and then multiplied by the assigned toxicity equivalence factors (TEFs), using procedures described in ‘‘Interim Procedures for Estimating Risks Associated with Expo- sures to Mixtures of Chlorinated Dibenzo-p- Dioxins and Dibenzofurans (CDDs and CDFs) and 1989 Update,’’ EPA/625/3–89/016, March 1989.

  • Dioxins are not intentionally manufactured but can be formed in the manufacturing process of chlorophenols (e.g., herbicides and germicides).

  • Average Fish Tissue Concentrations (ppt) of Dioxins and Furans for Major Finfish Species Sampled in the National Study of Chemical Residues in Fisha 2378a These average fish tissue concentrations may be higher or lower than those found in the ambient environment because of site selection criteria used in this study.b Values were calculated using whole-body samples for bottom feeders and fillet samples for predators.

  • Dioxins The compound 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is one of 75 different congeners of chlorinated dibenzo-p-dioxins (CDDs).


More Definitions of Dioxins

Dioxins means tetra, penta, hexa, hepta, and octa-chlorinated dibenzo dioxins.
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Dioxins means polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofuranes, reported as Toxic Equivalents (TEQ);
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Dioxins means total tetra-through octa-chlorinated dibenzo-p-dioxin, and “furans” shall mean total -tetra-through-octa- chlorinated dibenzofurans.
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Dioxins and "furans" means tetra- through octachlorinated dibenzo-p-dioxins and dibenzofurans.
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Dioxins means polychlorinared dibenzo-p-dioxins and polychlorinared dibenzofuranes, reporred as Toxic Equivalenrs (TEQ);
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Dioxins means the total toxic equivalency (“TEQ”) of congeners of
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Related to Dioxins

  • Hydrofluorocarbons means compounds that only contain hydrogen, fluorine, and carbon.

  • Solids means the nonvolatile portion of the coating that after drying makes up the dry film.

  • Radionuclide means a radioactive element or a radioactive isotope.

  • Polychlorinated biphenyls means aromatic compounds formed in such a manner that the hydrogen atoms on the biphenyl molecule (two benzene rings bonded together by a single carbon-carbon bond) may be replaced by up to ten chlorine atoms; and

  • Semisolid means a product that, at room temperature, will not pour, but will spread or deform easily, including but not limited to gels, pastes, and greases.

  • PCBs means polychlorinated biphenyls.

  • Fluid means material or substance which flows or moves whether in a semisolid, liquid, sludge, gas, or any other form or state.

  • Radioactive waste means any waste which contains radioactive material in concentrations which exceed those listed in 10 CFR Part 20, Appendix B, Table II, Column 2.

  • Substances means chemical elements and their compounds in the natural state or obtained by any production process, including any additive necessary to preserve the stability of the products and any impurity deriving from the process used, but excluding any solvent which may be separated without affecting the stability of the substance or changing its composition;

  • Asbestos means the asbestiform varieties of serpentinite (chrysotile), riebeckite (crocidolite), cummingtonite-grunerite, anthophyllite, and actinolite-tremolite.

  • Airborne radioactive material means any radioactive material dispersed in the air in the form of dusts, fumes, particulates, mists, vapors, or gases.

  • Carcinogen means a chemical that causes an increased incidence of benign or malignant neoplasms, or a substantial decrease in the latency period between exposure and onset of neoplasms through oral or dermal exposure, or through inhalation exposure when the cancer occurs at nonrespiratory sites in at least one (1) mammalian species or man through epidemiological studies or clinical studies, or both.

  • Radioactive material means any solid, liquid, or gas which emits radiation spontaneously.

  • Radioactivity means the transformation of unstable atomic nuclei by the emission of radiation.

  • Chemical agent shall mean any compound which, when suitably disseminated, produces incapacitating, damaging or lethal effects on people, animals, plants or material property.

  • Biological agent shall mean any pathogenic (disease producing) micro-organism(s) and/or biologically produced toxin(s) (including genetically modified organisms and chemically synthesized toxins) which cause illness and/or death in humans, animals or plants.

  • Corrosive means any substance that when it comes in contact

  • Putrescible waste means a solid waste that contains organic matter capable of being decomposed by microorganisms so as to cause a malodor, gases, or other offensive conditions, or which is capable of providing food for birds and other vectors. Putrescible wastes may form a contaminated leachate from microbiological degradation, chemical processes, and physical processes. Putrescible waste includes, but is not limited to, garbage, offal, dead animals, general household waste, and commercial waste. All solid wastes which do not meet the definitions of inert or chemical wastes shall be considered putrescible wastes.

  • Fungus means any type or form of fungus, including mold or mildew, and any mycotoxins, spores, scents or by-products produced or released by fungi.

  • Flammable means a chemical that falls into one of the following categories:

  • Irritant means any substance, other than a corrosive, that on

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR part 82, subpart G, with supplemental tables of alternatives available at (http://www.epa.gov/snap/ ).

  • Chemicals means substances applied to forest lands or timber including pesticides, fertilizers, and other forest chemicals.

  • Radioactive substance means a substance that emits ionizing

  • Airborne radioactivity area means a room, enclosure, or area in which airborne radioactive materials, composed wholly or partly of licensed material, exist in concentrations:

  • combustible waste means non-biodegradable, non- recyclable, non-reusable, non-hazardous solid waste having minimum calorific value exceeding 1500 kcal/kg and excluding chlorinated materials like plastic, wood pulp, etc.;