Section 721.11393 - Branched cyclic and linear hydrocarbons from plastic depolymerization (generic)(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as branched cyclic and linear hydrocarbons from plastic depolymerization (PMN P-18-28) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. The requirements of this section do not apply to quantities of the substance that have been refined or blended into other chemical or fuel formulations.(2) The significant new uses are:(i)Industrial, commercial, and consumer activities. Requirements as specified in § 721.80(k) . For purposes of § 721.80(k) , the use is as a refinery feedstock or a fuel blending additive.(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph.(1)Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) through (c) and (i) are applicable to manufacturers and processors of this substance.(2)Limitation or revocation of certain notification requirements. The provisions of § 721.185 apply to this section. 86 FR 46149 , Aug. 18, 2021