1. Regulations
  2. title 40
  3. chapter I-i13
  4. part 63
  5. subpart QQQ
  6. appendix-i 2

- Table 3 to Subpart QQQ of Part 63—2010 Toxic Equivalency Factors (TEFs)

Table 3 to Subpart QQQ of Part 63—2010 Toxic Equivalency Factors (TEFs)

Congener TEF
(mammals) 		2,3,7,8-Te CDD1 1,2,3,7,8-Pe CDD1 1,2,3,4,7,8-HxCDD0.1 1,2,3,6,7,8-HxCDD0.1 1,2,3,7,8,9-HxCDD0.1 1,2,3,4,6,7,8-HpCDD0.01 OCDD0.0003 2,3,7,8-Te CDF0.1 1,2,3,7,8-Pe CDF0.03 2,3,4,7,8-Pe CDF0.3 1,2,3,4,7,8-HxCDF0.1 1,2,3,6,7,8-HxCDF0.1 2,3,4,6,7,8-HxCDF0.1 1,2,3,7,8,9-HxCDF0.1 1,2,3,4,6,7,8-HpCDF0.01 1,2,3,4,7,8,9-HpCDF0.01 OCDF0.0003

AUTHORITY: 42 U.S.C. 7401

SOURCE: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.