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(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance 1,2,3,4,7,7-hexachloronorbornadiene, CAS Number 3389- 71-7, is subject to reporting under this section for the significant new use described in paragraph (a)(2) of this section.
(2) The significant new use is: Use other than as an intermediate in the production of isodrin or endrin.
(b) Specific requirements. The provisions of Subpart A of this part apply to this section except as modified by this paragraph.
(1) Definitions. In addition to the definitions in §721.3, the following definitions apply:
(b)(1)(i) Endrin means the pesticide 2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1a alpha, 2beta,2abeta,3alpha,6alpha,6abeta, 7beta,7aalpha)-, CAS Number 72-20-8.
(b)(1)(ii) Isodrin means the pesticide 1,4:5,8-Dimethano- naphthalene,1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1alpha, 4alpha, 4abeta, 5beta, 8beta, 8abeta)-, CAS Number 465-73-6.
(b)(2) [Reserved]