Section 721.840 - Alkyl substituted diaromatic hydrocarbons(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as an alkyl substituted diaromatic hydrocarbons (PMN P-91-710) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.(2) The significant new uses are: (i)Release to water. Requirements as specified in § 721.90 (a)(1), (b)(1), and (c)(1) .(b)Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph. (1)Recordkeeping requirements. Requirements as specified in § 721.125 (a), (b), (c), and (k) are applicable to manufacturers, importers, and processors of this substance.(2)Limitations or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.57 FR 46464, Oct. 8, 1992, as amended at 58 FR 34204, June 23, 1993