Section 721.10284 - Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-sulfo-.omega.-hydroxy-, C14-15-branched and linear alkyl ethers, sodium salts(a)Chemical substance and significant new uses subject to reporting.(1) The chemical substance identified as poly[oxy(methyl-1,2-ethanediyl)], .alpha.-sulfo-.omega.-hydroxy-, C14-15-branched and linear alkyl ethers, sodium salts (PMN P-10-487; CAS No. 958238-82-9) 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(l) .(ii)Disposal. Requirements as specified in § 721.85 . A significant new of the substances is any method of disposal of a waste stream containing the PMN substances other than by incineration or by injection into a Class I or II waste disposal well.(iii)Release to water. Requirements as specified in § 721.90(a)(2)(ii), (b)(2)(ii), and (c)(2)(ii) .(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), (b), (c), (i), and (j) 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 significant new use rule. 77 FR 20306 , Apr. 4, 2012, as amended at 80 FR 37166 , June 30, 2015