eCFR Reference Browser

---

title: "40 CFR §63.1504"

source: "https://www.ecfr.gov/current/title-40/section-63.1504"

title_number: "40"

volume_number: "14"

chapter_number: "Unknown"

subchapter_code: "C"

subchapter_subject: "AIR PROGRAMS (CONTINUED)"

part_code: "63"

part_subject: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)"

subpart_code: "R"

subpart_subject: "RR—National Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production"

section_number: "63.1504"

section_subject: "Unknown"

cfr_reference: "40 CFR 63.1504"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Part 63 (§§ 63.1440 to 63.6175)"

revised_date: "Revised as of July 1, 2019"

publication_date: "As of July 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

§63.1504 - Unknown