---
type: "LegalText"
title: "42 U.S.C. § 1857f–6d"
description: "Repealed. Pub. L. 91–604, § 8(a), Dec. 31, 1970, 84 Stat. 1694"
jurisdiction: "us"
corpus: "united_states_code"
kind: "code_section"
title_number: 42
title_name: "THE PUBLIC HEALTH AND WELFARE"
chapter_number: "15B"
chapter_name: "AIR POLLUTION CONTROL"
section: "1857f–6d"
citation: "42 U.S.C. § 1857f–6d"
status: "current"
release_point: "119-100"
release_date: "2026-06-26"
source: "official"
source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc42@119-100.zip"
source_identifier: "/us/usc/t42/s1857f–6d"
source_file: "data/legal/raw/us/code/title-42/usc42.xml"
source_hash: "9125aa569577727b7491bffa02ea09f268f7d7b785efad00a94d0fbe6392797c"
raw_snapshot_hash: "644321055a08eb1f260a6a3e31ac157fa024756abf612a9fd6857e7e400cf24e"
text_hash: "fe65524620051937271a70c52d6afa0a18c74824b2d3c78ed68ba8813ebee838"
retrieved_at: "2026-07-04"
confidence: "official"
tags: ["legal", "us-code"]
---

# 42 U.S.C. § 1857f–6d - Repealed. Pub. L. 91–604, § 8(a), Dec. 31, 1970, 84 Stat. 1694

## Notes

Section, act July 14, 1955, ch. 360, title II, § 211, as added Nov. 21, 1967, Pub. L. 90–148, § 2, 81 Stat. 503, provided for a national emissions standards study for stationary sources to be conducted by the Secretary, with a report and recommendations to be submitted to the Congress by Nov. 21, 1969, and for a study of the feasibility of controls for jet and piston aircraft engines, with a report thereon to Congress by Nov. 21, 1968.