40 CFR 761.253
§ 761.253 Chemical analysis.
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR 761.253, § 761.253 Chemical analysis, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/194359
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Full text
(a) Select applicable method(s) from the following list to extract PCBs and determine the PCB concentration from the standard wipe sample collection medium: SW-846 Method 3540C, Method 3550C, Method 3541, Method 3545A, Method 3546, or Method 8082A (all standards incorporated by reference in § 761.19). Modifications to the methods listed in this paragraph or alternative methods not listed may be used if validated under Subpart Q of this part or authorized in a § 761.61(c) approval.
(b) Report all PCB sample concentrations in µg/100 cm 2 (16 square inches) of surface sampled. If sampling an area smaller than 100 cm 2, report converted sample concentrations in accordance with § 761.243(b).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.