Fabio
76b8ec33a7
Ingested titles 12–51 and 54 from OLRC USLM XML @119-100 (the whole Code now, uniform edition; Title 53 is reserved/empty). LegalText 11,221 -> 59,740; repo total 105,704 records. Deterministic (byte-identical rerun, verified on Title 42's 8,356 sections); make check green. make legal-us-code default now covers every title. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
44 lines
2.6 KiB
Markdown
44 lines
2.6 KiB
Markdown
---
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type: "LegalText"
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title: "42 U.S.C. § 7478"
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description: "Period before plan approval"
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jurisdiction: "us"
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corpus: "united_states_code"
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kind: "code_section"
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title_number: 42
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title_name: "THE PUBLIC HEALTH AND WELFARE"
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chapter_number: "85"
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chapter_name: "AIR POLLUTION PREVENTION AND CONTROL"
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section: "7478"
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citation: "42 U.S.C. § 7478"
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status: "current"
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release_point: "119-100"
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release_date: "2026-06-26"
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source: "official"
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source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc42@119-100.zip"
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source_identifier: "/us/usc/t42/s7478"
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source_file: "data/legal/raw/us/code/title-42/usc42.xml"
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source_hash: "8dd1851421ed73b8a55a5775339300dd14e9f9b6b8d650c23953cda41dcaee3a"
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raw_snapshot_hash: "644321055a08eb1f260a6a3e31ac157fa024756abf612a9fd6857e7e400cf24e"
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text_hash: "99d94eb4fbef7f1ddc3d741d6a33facde00f39ad58eb38b5d0b90ea2e630eebb"
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retrieved_at: "2026-07-04"
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confidence: "official"
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tags: ["legal", "us-code"]
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---
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# 42 U.S.C. § 7478 - Period before plan approval
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## Text
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(a) Existing regulations to remain in effect Until such time as an applicable implementation plan is in effect for any area, which plan meets the requirements of this part to prevent significant deterioration of air quality with respect to any air pollutant, applicable regulations under this chapter prior to August 7, 1977, shall remain in effect to prevent significant deterioration of air quality in any such area for any such pollutant except as otherwise provided in subsection (b).
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(b) Regulations deemed amended; construction commenced after June 1, 1975 If any regulation in effect prior to August 7, 1977, to prevent significant deterioration of air quality would be inconsistent with the requirements of section 7472(a), section 7473(b) or section 7474(a) of this title, then such regulations shall be deemed amended so as to conform with such requirements. In the case of a facility on which construction was commenced (in accordance with the definition of “commenced” in section 7479(2) of this title) after June 1, 1975, and prior to August 7, 1977, the review and permitting of such facility shall be in accordance with the regulations for the prevention of significant deterioration in effect prior to August 7, 1977.
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(July 14, 1955, ch. 360, title I, § 168, as added Pub. L. 95–95, title I, § 127(a), Aug. 7, 1977, 91 Stat. 740; amended Pub. L. 95–190, § 14(a)(52), Nov. 16, 1977, 91 Stat. 1402.)
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## Notes
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Editorial Notes
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Amendments1977—Subsec. (b). Pub. L. 95–190 substituted “(in accordance with the definition of ‘commenced’ in section 7479(2) of this title)” for “in accordance with this definition”.
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