Section 721.2540 - Diphenylmethane diisocyanate (MDI) modified(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified generically as a diphenylmethane diisocyanate (MDI) modified (PMN P-92-294) 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)Industrial, commercial, and consumer activities. Requirements as specified in § 721.80 (v)(1), (v)(2), (w)(1), (w)(2), (x)(1), (x)(2), (y)(1), and (y)(2) .(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 (i) 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 46465, Oct. 8, 1992, as amended at 58 FR 34204, June 23, 1993