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40 CFR 257.4

§ 257.4 Effective date.

United States · 40 CFR — Protection of Environment · Status: effective

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40 CFR 257.4, § 257.4 Effective date, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/185158
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These criteria become effective October 15, 1979.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.