{"data":{"id":"us/40-cfr-table-6-to-subpart-hhhhhhh-of-part-63","jurisdiction":"us","citation":"40 CFR Table 6 to Subpart HHHHHHH of Part 63","heading":"Table 6 to Subpart HHHHHHH of Part 63—Toxic Equivalency Factors","body":"Dioxin/furan congener Toxic equivalency factor\n2,3,7,8-tetrachlorodibenzo-p-dioxin 1\n1,2,3,7,8-pentachlorodibenzo-p-dioxin 1\n1,2,3,4,7,8-hexachlorodibenzo-p-dioxin 0.1\n1,2,3,7,8,9-hexachlorodibenzo-p-dioxin 0.1\n1,2,3,6,7,8-hexachlorodibenzo-p-dioxin 0.1\n1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin 0.01\noctachlorodibenzo-p-dioxin 0.0003\n2,3,7,8-tetrachlorodibenzofuran 0.1\n2,3,4,7,8-pentachlorodibenzofuran 0.3\n1,2,3,7,8-pentachlorodibenzofuran 0.03\n1,2,3,4,7,8-hexachlorodibenzofuran 0.1\n1,2,3,6,7,8-hexachlorodibenzofuran 0.1\n1,2,3,7,8,9-hexachlorodibenzofuran 0.1\n2,3,4,6,7,8-hexachlorodibenzofuran 0.1\n1,2,3,4,6,7,8-heptachlorodibenzofuran 0.01\n1,2,3,4,7,8,9-heptachlorodibenzofuran 0.01\nOctachlorodibenzofuran 0.0003","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart HHHHHHH—National Emission Standards for Hazardous Air Pollutant Emissions for Polyvinyl Chloride and Copolymers Production"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"d7aabaf3b79ee5e0e6047edfae48d9c26a736538a727cdf7e6dd0a5d27bbf189","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-5-to-subpart-hhhhhhh-of-part-63","next":"us/40-cfr-table-7-to-subpart-hhhhhhh-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}