40 CFR 766.27
§ 766.27 Congeners and LOQs for which quantitation is required.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 766.27, § 766.27 Congeners and LOQs for which quantitation is required, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/194477
- Permanent ID
ys:prov:194477@1- SHA-256
9fe06026e2c8a4238c528eaf47d3724dd8edf96b85bc51eaa8183119fc89cd86
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Full text
Quantitation at the target LOQ shown for each of the following HDDs/HDFs which may be present in the chemical substances is required for the chemical substances listed under § 766.25. Analysis must take place for either chlorinated or brominated dibenzodioxins or dibenzofurans, whichever is predominantly expected to occur in the chemical substance to be tested. Only chlorinated and brominated congeners need be quantified; for chemical substances containing predominantly chlorine atoms, only congeners totally chlorinated at the numbered positions need be quantified; for chemical substances containing predominantly bromine atoms, only congeners totally brominated at the numbered positions need be quantified.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.