40 CFR Part 63, Subpart TTTTT, Table 2 to Subpart TTTTT of Part 63 - Toxic Equivalency Factors

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View PDF at GPO Pt. 63, Subpt. TTTTT, Table 2
Table 2 to Subpart TTTTT of Part 63—Toxic Equivalency Factors
Dioxin/furan congener Toxic equivalency factor
2,3,7,8-tetrachlorinated dibenzo-p-dioxin 1
1,2,3,7,8-pentachlorinated dibenzo-p-dioxin 1
1,2,3,4,7,8-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,7,8,9-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,6,7,8-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,4,6,7,8-heptachlorinated dibenzo-p-dioxin 0.01
octachlorinated dibenzo-p-dioxin 0.0001
2,3,7,8-tetrachlorinated dibenzofuran 0.1
2,3,4,7,8-pentachlorinated dibenzofuran 0.5
1,2,3,7,8-pentachlorinated dibenzofuran 0.05
1,2,3,4,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,6,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,7,8,9-hexachlorinated dibenzofuran 0.1
2,3,4,6,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,4,6,7,8-heptachlorinated dibenzofuran 0.01
1,2,3,4,7,8,9-heptachlorinated dibenzofuran 0.01
octachlorinated dibenzofuran 0.0001

Title 40 published on 2013-07-01

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  • 2014-03-27; vol. 79 # 59 - Thursday, March 27, 2014
    1. 79 FR 17340 - National Emission Standards for Hazardous Air Pollutant Emissions: Group IV Polymers and Resins; Pesticide Active Ingredient Production; and Polyether Polyols Production
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      Final rule.
      This final action is effective on March 27, 2014. The incorporation by reference of certain publications listed in this final rule was approved by the Director of the Federal Register as of March 27, 2014.
      40 CFR Part 63

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Title 40 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 63 after this date.

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37850 - National Emission Standards for Hazardous Air Pollutants: Off-Site Waste and Recovery Operations
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      Proposed rule.
      Comments. Comments must be received on or before August 18, 2014. A copy of comments on the information collection provisions should be submitted to the Office of Management and Budget (OMB) on or before August 1, 2014. Public Hearing. We do not plan to conduct a public hearing unless requested. If requested, we will hold a public hearing on July 17, 2014. To request a hearing, please contact the person listed in the following FOR FURTHER INFORMATION CONTACT section by July 14, 2014.
      40 CFR Part 63