Toxicity equivalent commonly referred to as TEQ, means a mass or concentration which is a sum of the masses or concentrations of individual congeners of polychlorinated dibenzo- p- dioxins and polychlorinated dibenzofurans multiplied by weighting factors set out in the Guide for Reporting to the National Pollutant Release Inventory - 2003.

- 87268/2006-09-17

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Congeners (Congeners are characterized as chemical compounds. ..)

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