WebToxic Equivalency Factors. It has been well established that 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is carcinogenic, and that other chlorinated dioxins and furans with the … Web18 Feb 2013 · The TEQ (toxic equivalent) value is a toxicity measurement promoted by the World Health Organisation (WHO). This organisation also recommends that 'tolerable daily intake' is lower than 2 pg...
Toxic Equivalency Factor - an overview ScienceDirect Topics
Web2.8 Toxic equivalence factor (TEF) ... 2.9 Toxic equivalent (TEQ) The relative toxicity value calculated with multiplying the concentration of dioxins and their analogues by their TEF. 3. Production environment of edible agricultural products 3.1 The planting environment of edible plants (including soil, air, and irrigation water) WebA total toxic equivalency (TEQ) value was . calculated for the polychlorinated biphenyls (PCBs) as well as octachlorodibenzo-p-dioxin (OCDD) according to Van den Berg et al. (1998). TEQ was also calculated separately for the dioxin-like non-ortho-PCBs (conge-ners 126 and 169) and the dioxin-like mono-ortho-PCBs. Statistical analysis. POPs were ... breastfeeding or not
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Web11 Apr 2024 · But one of the main concerns in using such technology is managing the disposal of toxic production waste. Deep-sea tailings disposal (DSTD) is one of the most common means of disposal, but like its alternatives—building tail dams or disposal on land—it has many adverse impacts on the environment and surrounding communities. Web4 Oct 2016 · Certain dioxin-like polychlorinated biphenyls (PCBs) with similar toxic properties are also included under the term “dioxins”. Some 419 types of dioxin-related … WebTEQ Abbreviation of WHO98-TEQ (this document). TEF Toxic equivalents factor of a specific dioxin, furan, or PCB. Defines the toxicity of each congener with dioxin-like biochemical … cost to invest fidelity